Conference Proceedings

204) Necmi Biyikli and A. K. Okyay, “Substrate Temperature Dependent Metal-oxide Nucleation Properties on Au Surfaces for Inherently Selective Atomic Layer Deposition Recipes Towards Self-aligned MEMS and Microfluidic Device Fabrication”, AVS 64th International Symposium and Exhibition, Tampa, FL, 29 October – 3 November (2017).

203) Kuglaur S. Ranjith, Asli Celebioglu, Hamit Eren, Necmi Biyikli, Tamer Uyar, “Surface decoration of Pt and Pd nanoparticles thru atomic layer deposition (ALD) on electrospun polymeric nanofibers for catalytic applications”, 254th ACS National Meeting, Washington, DC, 20-24 August (2017).

202) (invited) N. Biyikli, A. Haider, P. Deminskyi, “Self-aligned nanoscale processing solutions via selective atomic layer deposition of oxide, nitride, and metallic films”, SPIE Optics + Photonics 2017, San Diego, CA, 6 – 10 August (2017).

201) A. Haider, M. Yilmaz, P. Deminskyi, Hamit Eren, N. Biyikli, “Nanoscale Selective Deposition of TiO2 using e-beam Patterned Polymeric Inhibition Layers and TDMAT Precursor”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

200) Ali Haider, P. Deminskyi, T. Khan, H. Eren, N. Biyikli, “Area-Selective Atomic Layer Deposition using Inductively Coupled Plasma Polymerized Fluorocarbon Layer: A Case Study for Metal-Oxides and Metals”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

199) K. Ranjith, A. Haider, Necmi Biyikli, T. Uyar, “Plasma-assisted ALD of Ru Nanoparticles on Electrospun Polymeric Nanofibers for Catalysis”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

198) A. Celebioglu, H. Eren, N. Biyikli, T. Uyar, “Monodispersed, Highly Interactive Facet Oriented Pd Nanograins Grown by ALD onto Electrospun Polymeric Nanofibers”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

197) Hamit Eren, N. Biyikli, M. Guler, “Facile Synthesis of Three-Dimensional Pt-TiO2 Nano-networks: A Highly Active Catalyst for the Hydrolytic Dehydrogenation of Ammonia–Borane”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

196) K. Ranjith, H. Eren, Necmi Biyikli, T. Uyar, ”Pd-Ag Bimetallic Nanograin-Decorated Nylon Nanofibers: Efficient Catalytic Reduction of 4-Nitrophenol”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

195) Ali Haider, S. Altuntas, P. Deminskyi, T. Khan, F. Buyukserin, N. Biyikli, “Area-selective ALD using Vapor and Solution-Phase Synthesized Perfluorodecyltrichlorosilane (FDTS) SAMs as Growth Inhibition Layers”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

194) I. Pavlov, S. Ilday, O. Tokel, H. Eren, A. Haider, F. Ilday, N. Biyikli, “Nanoscale Patterning of C4F8 Plasma Polymer Blocking Layers via Femtosecond Pulsed Laser Processing for Selective Deposition of Noble Metals”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

193) E. Kovalska, A. Haider, C. Kocabas, N. Biyikli, “Feasibility Study of Single and Multi-layered Graphene as Plasma-compatible Deactivation Layers for Selective Deposition of III-Nitride Materials”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

192) N. Biyikli, A. Haider, P. Deminskyi, “Inherently Selective Plasma-assisted ALD: A Feasibility Study for III-Nitride Materials”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

191) M. Alevli, N. Gungor, N. Biyikli, “Critical Layer Thickness Determination for GaN Thin Films Grown on Sapphire Substrate via Hollow-Cathode Plasma-assisted Atomic Layer Deposition”, 17th International Conference on Atomic Layer Deposition (ALD 2017), Denver, CO, 15 – 18 July (2017).

190) Kiev ALD workshop presentation

189) (invited) Kugalur Shanmugam Ranjith, Aslı Çelebioğlu, Hamit Eren, Necmi Biyikli, Tamer Uyar, “Surface Decoration of Metal Nanoparticles onto Polymeric Nanofibers for Catalytic Applications”, 6th Physical Chemistry Congress, Zonguldak, Turkey, 15-18 May (2017).

188) Osman Arslan, Fuat Topuz, Hamit Eren, Necmi Biyikli, Tamer Uyar, “Combination of ALD and Electrospinning of Fibers and their Nanomaterials Applications”, 6th Physical Chemistry Congress, Zonguldak, Turkey, 15-18 May, (2017).

187) Ali Haider, Petro Deminskyi, Mehmet Yilmaz, Talha M. Khan, Hamit Eren, and Necmi Biyikli, ”Area-selective atomic layer deposition using polymer growth inhibition layers: a case study for metal-oxides and noble metals”, 2nd Area Selective Deposition Workshop (ASD2017), Eindhoven, The Netherlands, 20-21 April (2017).

186) P. Deminskyi, I. Pavlov, S. Ilday, O. Tokel, H. Eren, A. Haider, Necmi Biyikli, F. O. Ilday, ”Nanoscale patterning of C4F8 plasma polymer blocking layers via femtosecond pulsed laser processing for selective deposition of noble metals”, 2nd Area Selective Deposition Workshop (ASD2017), Eindhoven, The Netherlands, 20-21 April (2017).

185) Petro Deminskyi, Ali Haider, and Necmi Biyikli, ” Feasibility study of single and multi-layered graphene as plasma-compatible deactivation layers for selective deposition of III-nitride materials”, 2nd Area Selective Deposition Workshop (ASD2017), Eindhoven, The Netherlands, 20-21 April (2017).

184) Petro Deminskyi, Ali Haider, Mehmet Yilmaz, Hamit Eren, Khulud Al-Shabani, Sevde Altuntas, Fatih Buyukserin, Ibrahim Yilmaz, and Necmi Biyikli, ”Low-Temperature Conformal Growth of Ordered III-Nitride and Metal-Oxide Hollow Nanocylinder Arrays for Optoelectronics and Photocatalysis”, MRS Fall Meeting, Boston, MA, November 27 – December 2 (2016).

183) Sami Bolat, Zulkarneyn Sisman, Seda Kizir, Ali Haider, Necmi Biyikli, Ali Kemal Okyay, “Direct Demonstration of Gallium Nitride Thin-Film Transistors on Flexible Substrates”, MRS Fall Meeting, Boston, MA, November 27 – December 2 (2016).

182) Petro Deminskyi, Evgeniya Kovalska, Ali Haider, Coskun Kocabas, and Necmi Biyikli, ”Graphene as Inhibition/Lift-off Layer for Area-Selective Atomic Layer Deposition of III-Nitride Materials”, MRS Fall Meeting, Boston, MA, November 27 – December 2 (2016).

181) Ali Haider, Petro Deminskyi, Mehmet Yilmaz, Talha M. Khan, Hamit Eren, and Necmi Biyikli, ”Nano-Scale Selective Deposition of TiO2 via Polymers as Growth Inhibition Surfaces”, MRS Fall Meeting, Boston, MA, November 27 – December 2 (2016).

180) Seda Kizir, Ali Haider, Tamer Uyar, and Necmi Biyikli, “Flexible Core-Shell InN and GaN Nanofibers for Highly-Sensitive Gas Sensing Applications”, MRS Fall Meeting, Boston, MA, November 27 – December 2 (2016).

179) Ali Haider, Petro Deminskyi, Talha M. Khan, Hamit Eren, Mehmet Yilmaz, Sevde Altuntas, Fatih Buyukserin, and Necmi Biyikli, ”Area-Selective Atomic Layer Deposition Using Inductively Coupled Plasma Polymerized C4F8 Layer – A Case Study for Metal-Oxides”, MRS Fall Meeting, Boston, MA, November 27 – December 2 (2016).

178) Necmi Biyikli, Kagan Topalli, Serkan Kasirga, Towfiq Asaduzzaman, and Bedri Cetiner, ”Vapor-Phase Transport Deposited VO2 Nanobeams as Alternative RF Switch Components for Frequency Reconfigurable Patch Antenna Structures”, MRS Fall Meeting, Boston, MA, November 27 – December 2 (2016).

177) Ikram Orak, Hamit Eren, Necmi Biyikli, and Aykutlu Dana, ”All-ALD Grown Metal-Oxide/Metal-Nanoparticle Stacks for High-Performance Flash Memristor Devices”, MRS Fall Meeting, Boston, MA, November 27 – December 2 (2016).

176) (invited) N. Biyikli, A. Haider, S. Kizir, P. Deminskyi, M. Yilmaz, S. Bolat, A. Celebioglu, A. K. Okyay, T. Uyar, S. Altuntas, F. Buyukserin, “Low-Temperature PA-ALD Growth Technology for Group III-Nitride Nano-heterostructures and their (Opto)Electronic Device Applications”, AVS 63rd International Symposium and Exhibition, Nashville, TN, 6 – 11 November (2016).

175) Talha M. Khan, Amir Ghobadi, Ozan Celik, Cosan Caglayan, Necmi Biyikli, Ali K. Okyay, Kagan Topalli, and Kubilay Sertel, “On-chip characterization of THz Schottky diodes using non-contact probes”, 41st International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Copenhagen, Denmark, 25 – 30 September (2016).

174) Sami Bolat, Ali Haider, Seda Kizir, Necmi Biyikli, Ali Kemal Okyay, “Thin film transistors with atomic layer deposited GaN channels for low-temperature and flexible electronic applications”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

173) Mustafa Alevli, Nese Gungor, Ali Haider, Seda Kizir, Necmi Biyikli, “The role of film thickness on the visible/UV and infrared optical properties of GaN films grown by hollow-cathode plasma-assisted atomic layer deposition”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

172) Ali Haider, Petro Deminsky, Sevde Altuntas, Mehmet Yilmaz, Ibrahim Yilmaz, Fatih Buyukserin, Necmi Biyikli, “Template-assisted fabrication of III-nitride hollow nano-cylinder arrays on Si substrates via plasma-assisted atomic layer deposition”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

171) Ibrahim Yilmaz, Kholoud Elmabruk, Ali Haider, Sevde Altuntas, Fatih Buyukserin, Necmi Biyikli, “Temperature-dependent photoluminescence characteristics of plasma-assisted ALD-grown ordered GaN nanostructures on Si substrates”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

170) Zahraa Ghanem, Asmaa Moussa, Asmaa S. A. Ali, Hamit Eren, Osama Tobail, Necmi Biyikli, “Tailoring field effect passivation quality of Al2O3 on p/n-type Si by ALD-growth temperature and a single annealing step for improved solar cell performance”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

169) Seda Kizir, Ali Haider, Necmi Biyikli, “Substrate effect on the growth behavior and material properties of low-temperature plasma-assisted ALD-grown GaN thin films”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

168) Seda Kizir, Ali Haider, Necmi Biyikli, “Self-limiting hollow-cathode plasma-assisted atomic layer deposition of wurtzite GaN thin films by using triethylgallium and N2/H2 plasma precursors”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

167) Seda Kizir, Aslı Celebioglu, Ali Haider, Piter Deminskyi, Tamer Uyar, Necmi Biyikli, “Photocatalytic activity of flexible core/shell nylon/III-nitride nanofibers fabricated via electrospinning and low-temperature plasma-assisted atomic layer deposition”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

166) Hamit Eren, Mahbuba Begum, Mesut Yurukcu, Tansel Karabacak, Necmi Biyikli, “Oxygen reduction reaction properties of core-shell Ni/Pt nanorod arrays fabricated via glancing angle and atomic layer deposition”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

165) Ali Haider, Seda Kizir, Necmi Biyikli, “Low-temperature self-limiting growth optimization of wurtzite InN films grown by plasma-assisted atomic layer deposition”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

164) Seda Kizir, Ali Haider, Necmi Biyikli, “Low-temperature plasma-assisted atomic layer doping of GaN using BTBAS as Si precursor”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

163) Mustafa Alevli, Nese Gungor, Ali Haider, Seda Kizir, Necmi Biyikli, “Infrared dielectric functions, phonon modes, and band-gap properties of plasma-assisted ALD-grown InxGa1-xN films”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

162) Mustafa Alevli, Nese Gungor, Cagla Ozgit-Akgun, Ali Haider, Seda Kizir, Necmi Biyikli, “Influence of N2/H2 and N2 Plasma on Binary III-Nitride Films Prepared by Hollow-Cathode Plasma-Assisted Atomic Layer Deposition”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

161) Hamit Eren, Muhammed Enes Oruc, Necmi Biyikli, “Further Surface Modifications of Thin Alumina Membranes Fabricated by Sequential Infiltration Synthesis”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

160) Ali Haider, Seda Kizir, Necmi Biyikli, “Evolution of post-deposition thermally annealed III-nitride thin film properties grown by capacitively-coupled plasma-assisted ALD”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

159) Halit Altuntas, Turkan Bayrak, Seda Kizir, Ali Haider, Necmi Biyikli, “Dielectric behavior of AlN thin films deposited on p-Si substrates by hollow-cathode plasma-assisted atomic layer deposition”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

158) Hamit Eren, Asli Celebioglu, Tamer Uyar, Necmi Biyikli, “Catalytic applications of platinum nanoparticle-decorated electrospun nanofibers by atomic layer deposition”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

157) Hamit Eren, Faruk Okur, Eda Yilmaz, Necmi Biyikli, “Atomic layer deposition of ultrathin TiO2 on multi-wall carbon nanotubes: Towards stable cathodes for Li-O2 batteries”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

156) Hamit Eren, Veera Sadhu, Esaam Jamil, Nurbek Kakenov, Selmiye Alkan Gürsel, Coskun Kocabas, Necmi Biyikli, “Atomic Layer Deposition of Pt Nanoparticles on Graphene as Highly Efficient Electrocatalyst for Fuel Cells”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

155) Sina Abedini Dereshgi, Hamit Eren, Necmi Biyikli, Ali Kemal Okyay, “Atomic layer deposition of platinum nanoparticles for scalable nanophotonic devices”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

154) Hamit Eren, Mohammad Aref Khalily, Serdar Akbayrak, Saim Ozkar, Mustafa Ozgur Guler, Necmi Biyikli, “Atomic layer deposited TiO2/Pt nanocatalysts on supramolecular peptide nanofiber templates for efficient hydrolytic dehydrogenation of ammonia borane”, 16th International Conference on Atomic Layer Deposition (ALD 2016), Dublin, Ireland, 24 – 27 July (2016).

153) Md. A. Towfiq, A. Khalat, B. A. Cetiner, O. Ceylan, and N. Biyikli, “Broadband high-gain 60 GHz antenna array”, IEEE International Symposium on Antennas and Propagation (APSURSI-2016), Fajardo, Puerto Rico, June 26 – July 1 (2016).

152) A. Khalat, Md. A. Towfiq, B. A. Cetiner, O. Ceylan, and N. Biyikli, “A 60 GHz beam-steering reconfigurable antenna”, IEEE International Symposium on Antennas and Propagation (APSURSI-2016), Fajardo, Puerto Rico, June 26 – July 1 (2016).

151) Ali Haider, Seda Kizir, Shahid Ali Leghari, Nese Gungor, Mustafa Alevli, and Necmi Biyikli, “Effect of substrate temperature and Ga source precursor on growth and material properties of GaN grown by hollow cathode plasma assisted atomic layer deposition”, IEEE 36th International Conference on Electronics and Nanotechnology (IEEE-ELNANO), Kyiv, Ukraine, April 19-21 (2016).

150) Petro Deminskyi, Ali Haider, Alexander Tsymbalenko, Dmitry Kotov, Vladyslav Matkivskyi, Alexander Ovsianitsky, Nata Liakhova, Vladimir Osinsky, and Necmi Biyikli, “Investigation of native oxide removing from HCPA ALD grown GaN thin films surface utilizing HF solutions”, IEEE 36th International Conference on Electronics and Nanotechnology (IEEE-ELNANO), Kyiv, Ukraine, April 19-21 (2016).

149) Mohammed Aref Khalily, Hamit Eren, Necmi Biyikli, and Mustafa O. Guler, “Atomic Layer Deposited TiO2/Pt Nanocatalysts on Supramolecular Peptide Nanofiber Templates for Efficient Hydrolytic Dehydrogenation of Ammonia Borane”, MRS Spring Meeting, Phoenix, AZ, March 27 – April 1 (2016).

148) Mehmet Yilmaz, Ali Haider, Sevde Altuntas, Petro Deminskyi, Fatih Buyukserin, Ibrahim Yilmaz, and Necmi Biyikli, “Low-Temperature Template-Assisted Fabrication of Hollow GaN Nano-Cylinders on Si Substrates”, MRS Spring Meeting, Phoenix, AZ, March 27 – April 1 (2016).

147) Hamit Eren, Ruslan Garifullin, Gamze Ulusoy, Ali Kemal Okyay, Mustafa Ozgur Guler, and Necmi Biyikli, “Self-Assembled Peptide Nanonetwork Template for Atomic Layer Deposited Anodic Titania Used in Dye Sensitized Solar Cells”, MRS Fall Meeting, Boston, MA, November 29 – December 4 (2015).

146) Hamit Eren, Faruk Okur, Eda Yilmaz, and Necmi Biyikli, “Atomic Layer Deposition of TiO2 on Multi-Wall Carbon Nanotubes: A Step to Stable Cathodes for Li-O2 Batteries”, MRS Fall Meeting, Boston, MA, November 29 – December 4 (2015).

145) Amira Ahmed, Turkan Bayrak, Ali Haider, Shahid Ali Leghari, Seda Kizir, Eda Goldenberg, and Necmi Biyikli, “Structural, optical, electrical, and mechanical properties of Ga:ZnO and In:Ga:ZnO thin films grown in room temperature and with substrate heating – a comparative study”, TACT2015 International Thin Films Conference, Tainan, Taiwan, 15–18 November (2015).

144) Burak Tekcan, Sami Bolat, Cagla Ozgit-Akgun, Necmi Biyikli, and Ali. K. Okyay, “Electronic and Optical Device Applications based on III-Nitride Films Grown by Plasma-Assisted ALD”, AVS 62nd International Symposium and Exhibition, San Jose, CA, 18 – 23 October (2015).

143) Ali Haider, Seda Kizir, Cagla Ozgit-Akgun, Eda Goldenberg, Mustafa Alevli, Ali. K. Okyay, and Necmi Biyikli, “Hollow Cathode Plasma-Assisted Atomic Layer Deposition of Wurtzite InN and InxGa1-xN Thin Films with Low Impurity Content”, AVS 62nd International Symposium and Exhibition, San Jose, CA, 18 – 23 October (2015).

142) Mustafa Alevli, Nese Gungor, Ali Haider, Seda Kizir, Sabri Alkis, Ali Kemal Okyay, and Necmi Biyikli, “Comparison Studies of GaN Grown with Trimethylgallium and Triethylgallium for Optoelectronic Applications”, AVS 62nd International Symposium and Exhibition, San Jose, CA, 18 – 23 October (2015).

141) Halit Altuntas, Cagla Ozgit-Akgun, Inci Donmez, and Necmi Biyikli, “Electrical properties of AlN films deposited by plasma-enhanced atomic layer deposition”, 13th International Baltic Conference on Atomic Layer Deposition, Tartu, Estonia, 28 – 29 September (2015).

140) Halit Altuntas, Cagla Ozgit-Akgun, Seda Kizir, Ali Haider, Turkan Bayrak, and Necmi Biyikli, “A comparative study of the AlN dielectric films grown by PA-ALD and HCPA-ALD”, 13th International Baltic Conference on Atomic Layer Deposition, Tartu, Estonia, 28 – 29 September (2015).

139) Seda Kizir, Ali Haider, Eda Goldenberg, Ali. K. Okyay, and Necmi Biyikli, “Low-temperature GaN thin films optimized by hollow-cathode plasma-assisted ALD using TEG and N2/H2 plasma”, Atomic Layer Deposition Russia 2015, Moscow-Dolgoprudny, Russia, 21 – 23 September (2015).

138) Ali Haider, Seda Kizir, Eda Goldenberg, Ali. K. Okyay, and Necmi Biyikli,Growth optimization and detailed material characterization of wurtzite InN deposited by hollow-cathode plasma-assisted ALD”, Atomic Layer Deposition Russia 2015, Moscow-Dolgoprudny, Russia, 21 – 23 September (2015).

137) Petro Deminskyi, Ali Haider, Seda Kizir, Vladimir Osinsky, and Necmi Biyikli, “Investigation of native oxide removal from ALD-grown III-nitride films”, Atomic Layer Deposition Russia 2015, Moscow-Dolgoprudny, Russia, 21 – 23 September (2015).

136) Ali Haider, Sevde Altuntas, Mehmet Yilmaz, Ibrahim Yilmaz, M. Fatih Buyukserin, and Necmi Biyikli, “Template-assisted growth of GaN nanorod-arrays by hollow cathode plasma-assisted atomic layer deposition”, Atomic Layer Deposition Russia 2015, Moscow-Dolgoprudny, Russia, 21 – 23 September (2015).

135) Murat Serhatlıoğlu, Bülend Ortaç, Çağlar Elbüken, Mehmet E. Solmaz, and Necmi Bıyıklı, ” Femtosecond Laser Based Fabrication of Microfluidic Devices and Flow Cytometry System “, 17. Ulusal Fotonik Çalıştayı, Ankara, 18 September (2015).

134) Murat Serhatlıoğlu, Bülend Ortaç, Çağlar Elbüken, Mehmet E. Solmaz, and Necmi Bıyıklı, “CO2 Laser Polishing of Femtosecond Laser Irradiated Surfaces for Microfluidic Applications”, 17. Ulusal Fotonik Çalıştayı, Ankara, 18 September (2015).

133) Fatma Kayaci, Sesha Vempati, Cagla Ozgit-Akgun, Inci Donmez, Asli Celebioglu, Ali Haider, Necmi Biyikli and Tamer Uyar, “Core-shell nanofibers and hollow nanofibers: Combination of Electrospinning and Atomic Layer Deposition (ALD)”, Nanofibers, Applications and Related Technologies (NART-2015), Liberec, Czech Republic, August 31- September 2 (2015).

132) Mehmet E. Solmaz, Barbaros Ҫetin, Besim Baranoğlu, Murat Serhathoğlu, and Necmi Biyikli, “Boundary element method for optical force calibration in microfluidic dual-beam optical trap”, SPIE Optics + Photonics 2015, 9 – 13 August, San Diego, CA (2015).

131) (invited) Necmi Biyikli, Cagla Ozgit-Akgun, Hamit Eren, Ali Haider, Seda Kizir, Tamer Uyar, Sesha Vempati, Fatma Kayaci, Asli Celebioglu, Mustafa Ozgur Guler, Ruslan Garifullin, Ali K. Okyay, Gamze M. Ulusoy, and Eda Goldenberg, “Template-assisted synthesis of III-nitride and metal-oxide nanoheterostructures using low-temperature atomic layer deposition for energy, sensing, and catalysis applications”, SPIE Optics + Photonics 2015, 9 – 13 August, San Diego, CA (2015).

130) Faruk Okur, Hamit Eren, Sagnak Sagkal, Necmi Biyikli, and Eda Yilmaz, “Thin Film Coatings on Multiwalled Carbon Nanotubes for Lithium-Oxygen Battery Cathodes: Eliminating the Carbon Surface”, ECS Conference on Electrochemical Energy Conversion & Storage with SOFC-XIV, Glasgow, Scotland, 26 – 31 July (2015).

129) M. Alevli, N. Gungor, C. Ozgıt-Akgun, A. Haider, S. Kizir, S. Leghari, S. Alkis, A. K. Okyay, and N. Biyikli, “Comparison of Trimethylgallium and Triethylgallium as “Ga” Source Materials for the Growth of Ultra-thin GaN Films via Hollow-cathode Plasma-assisted ALD”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

128) A. Haider, S. Kizir, C. Ozgit-Akgun, E. Goldenberg, A. K. Okyay, and N. Biyikli, “Role of Surface Plasma Treatment on the Material Properties of Low Temperature ALD-Grown InxGa1-xN Alloys” 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

127) S. Kizir, A. Haider, C. Ozgit-Akgun, E. Goldenberg, A. K. Okyay, and N. Biyikli, “Hollow Cathode Plasma-assisted Atomic Layer Deposition of Wurtzite InN Thin Films with Low Impurity Content”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

126) H. Eren, R. Garifullin, G. Ulusoy, A.K. Okyay, M.O. Guler, and N. Biyikli, “Improved Performance of Dye-sensitized Solar Cells Fabricated from Atomic Later Deposited TiO2 Photoanodes on Self-assembled Peptide Nanofiber Nanonetworks”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

125) H. Eren, F. Okur, S. Sagkal, E. Yilmaz, and N. Biyikli, “Atomic Layer Deposition of TiO2 on Physically and Chemically Modified Multi-wall Carbon Nanotubes”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

124) F. Kayaci, S. Vempati, C. Ozgit-Akgun, I. Donmez, N. Biyikli, and T. Uyar, “Photocatalytic Activities of Polymer-ZnO Core-Shell and ZnO Hollow Electrospun Nanofibers”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June  – 2 July (2015).

123) S. Bolat, C. Ozgit-Akgun, B. Tekcan, A. Haider, S. Kizir, N. Biyikli, and A. K. Okyay, “Thin Film Transistors with Atomic Layer Deposited Gan and InGaN Channels for Low-temperature Compatible Electronic Applications”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

122) H. Altuntas, C. Ozgit-Akgun, I. Donmez, and N. Biyikli, “Current Conduction Mechanisms in Plasma-Enhanced Atomic Layer Deposited AlN Thin Films on p-Si”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

121) A. Haider, C. Ozgit-Akgun, S. Kizir, E. Goldenberg, and N. Biyikli “Compositional-dependent Properties of BxGa1-xN and BxIn1-xN Alloy Thin Films Deposited by Hollow Cathode Plasma Assisted Sequential Pulsed CVD”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

120) B. Tekcan, C. Ozgit-Akgun, S. Bolat, A. Haider, S. Kizir, N. Biyikli, and A. K. Okyay, “Low Temperature Plasma-assisted ALD Grown InxGa1-xN Based Metal-semiconductor-metal Photodetectors”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

119) M. Alevli, N. Gungor, C. Ozgit-Akgun, S. Kizir, A. Haider, S. Leghari, S. Alkis, A. K. Okyay, and N. Biyikli, “Substrate Temperature Influence on the Properties of GaN Thin Films Grown by Hollow-cathode Plasma-assisted Atomic Layer Deposition”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

118) A. Celebioglu, S. Vempati, C. Ozgit-Akgun, N. Biyikli, and T. Uyar, “Water-Soluble Non-Polymeric Electrospun Cyclodextrin Nanofiber Template for the Synthesis of Metal Oxide Tubes by Atomic Layer Deposition”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

117) A. Haider, C. Ozgit-Akgun, K. Elmabruk, I. Yilmaz, and N. Biyikli, “Template Assisted Growth of GaN Nanostructures by Hollow Cathode Plasma-assisted Atomic Layer Deposition”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

116) R. Yuksel, S. Coskun, S. Sağkal, H. Eren, N. Biyikli, and H.E. Unalan, “Coaxial Capacitors with ALD Deposited Alumina on Silver Nanowires”, 15th International Conference on Atomic Layer Deposition (ALD 2015), Portland, OR, 28 June – 2 July (2015).

115) (invited) Necmi Biyikli, Cagla Ozgit-Akgun, Hamit Eren, Ali Haider, Tamer Uyar, Fatma Kayaci, Mustafa Ozgur Guler, Ruslan Garifullin, Ali K. Okyay, Gamze M. Ulusoy, and Eda Goldenberg, “Atomic Layer Deposition: An Enabling Technology for the Growth of Functional Nanoscale Semiconductors”, International Semiconductor Science and Technology Conference (ISSTC-2015), Aydin, Turkey, 11 – 13 May (2015).

114) E. Goldenberg, T. Bayrak, S.A. Leghari, and N. Biyikli, “Microstructure, Composition, Optical and Electrical Characteristics of RF Magnetron Sputtered Niobium doped TiO2 Thin Films”, E-MRS Spring Meeting, Lille, France, May 11-15 (2015).

113) E. Goldenberg, T. Bayrak, S.A. Leghari, and N. Biyikli, “The Effect of Deposition Parameters and Annealing on Microstructure, Composition, Optical and Electrical Characteristics of Tantalum doped TiO2 Thin Films”, E-MRS Spring Meeting, Lille, France, May 11-15 (2015).

112) T. Bayrak, Ali Haider, S.A. Leghari, N. Biyikli, and E. Goldenberg, “Effect of Deposition Pressure and RF Power on RF Magnetron Sputtered SrTiO3 Thin Films: Structural, Optical and Electrical Characteristics”, E-MRS Spring Meeting, Lille, France, May 11-15 (2015).

111) T. Bayrak, Ali Haider, S.A. Leghari, N. Biyikli, and E. Goldenberg, “Low Temperature Grown BaSrTiOx Thin Films Deposited by RF Magnetron Sputtering”, E-MRS Spring Meeting, Lille, France, May 11-15 (2015).

110) Necmi Biyikli, Cagla Ozgit-Akgun, Inci Donmez, Eda Goldenberg, Hamit Eren, Ali Haider, Seda Kizir, Fatma Kayaci, Asli Celebioglu, Sesha Vempati, Tamer Uyar, Ruslan Garifullin, M. O. Guler, Gamze M. Ulusoy, and Ali Kemal Okyay, “Template-assisted synthesis of III-nitride and metal-oxide nano-heterostructures using low-temperature atomic layer deposition”, SPIE Microtechnologies, Barcelona, Spain, May 4-6 (2015).

109) Anatolii Orlov, Veronika Ulianova, Oleksandr Bogdan, Genadzi Pashkevich, Necmi Biyikli, Eda Goldenberg and Ali Haider, “ZnO nanostructures via hydrothermal synthesis on atomic layer deposited seed-layers”, IEEE 35th International Conference on Electronics and Nanotechnology (IEEE-ELNANO), Kyiv, Ukraine, April 21-24 (2015).

108) (invited) Necmi Biyikli, Cagla Ozgit-Akgun, Eda Goldenberg, Ali Haider, Seda Kizir, Tamer Uyar, Sami Bolat, Burak Tekcan, and Ali Kemal Okyay, “Hollow-cathode plasma-assisted atomic layer deposition: a novel route for low-temperature synthesis of crystalline III-nitride thin films and nanostructures”, IEEE 35th International Conference on Electronics and Nanotechnology (IEEE-ELNANO), Kyiv, Ukraine, April 21-24 (2015).

107) E. Goldenberg, T. Bayrak, C. Ozgit-Akgun, A. Haider, S. A. Leghari, and N. Biyikli, “Structural, Optical and Electrical Characteristics of Low Temperature Grown BaSrTiOx Thin Films Deposited by RF Magnetron Sputtering”, International Conference on Metallurgical Coatings and Thin Films (ICMCTF), San Diego, CA, April 20-24 (2015).

106) E. Goldenberg, T. Bayrak, C. Ozgit-Akgun, A. Haider, S. A. Leghari, M. Kumar, and N. Biyikli, “The Effect of O2/Ar Ratio on Structural, Optical and Electrical Characteristics of SrTiO3 Thin Films Deposited by Room-Temperature rf-Magnetron Sputtering”, International Conference on Metallurgical Coatings and Thin Films (ICMCTF), San Diego, CA, April 20-24 (2015).

105) H. V. Hunerli, H. Mopidevi, E. Cagatay, M. Imbert, J. Romeu, L. Jofre, B. A. Cetiner, and N. Biyikli, “Three Dimensional Microfabricated Broadband Patch and Multifunction Reconfigurable Antennae for 60 GHz Applications”, 9th European Conference on Antennas and Propagation (EUCAP), Lisbon, Portugal, April 12 – 17 (2015).

104) Necmi Biyikli, Ali Haider, Cagla Ozgit-Akgun, Fatma Kayaci, Sesha Vempati, Ali K. Okyay, and Tamer Uyar, “Core-Shell and Hollow III-Nitride/Metal-Oxide Nanofiber Networks Fabricated via Electrospun Templated Atomic Layer Deposition and Their Application in Photocatalysis”, MRS Fall Meeting, Boston, MA, November 30 – December 5 (2014).

103) Ruslan Garigullin, Turkan G. Ulusoy, Hamit Eren, Mustafa O. Guler, Necmi Biyikli, and Ali K. Okyay, “Peptide Nanofiber Network Templated ALD-Grown TiO2 Nanostructures for Dye-Sensitized Solar Cell (DSSC) Anode”, MRS Fall Meeting, Boston, MA, November 30 – December 5 (2014).

102) Burak Tekcan, Sabri Alkis, Mustafa Alevli, Nikolaus Dietz, Bulend Ortac, , Necmi Biyikli, and Ali K. Okyay, “Indium Nitride Nanocrystals Obtained Through Laser Ablation for Large Area Optoelectronics”, MRS Fall Meeting, Boston, MA, November 30 – December 5 (2014).

101) Sami Bolat, Cagla Ozgit-Akgun, Burak Tekcan, Necmi Biyikli, and Ali K. Okyay, “Gallium Nitride Thin Film Transistors Compatible with Ultra Low Temperature Processes”, MRS Fall Meeting, Boston, MA, November 30 – December 5 (2014).

100) Ayse Ozcan, Sami Bolat, Cagla Ozgit-Akgun, Necmi Biyikli, and Ali K. Okyay, “Resistive Switching and Self-Compliance Behavior of Low-Temperature Atomic Layer Deposited Aluminum Nitride Thin Films”, MRS Fall Meeting, Boston, MA, November 30 – December 5 (2014).

99) Burak Tekcan, Cagla Ozgit-Akgun, Sami Bolat, Necmi Biyikli, and Ali K. Okyay, “Gallium Nitride MSM Photodetectors Based on Low Temperature Atomic Layer Deposition”, MRS Fall Meeting, Boston, MA, November 30 – December 5 (2014).

98) Cagla Ozgit-Akgun, Ali Haider, Ali Kemal Okyay, and Necmi Biyikli, “Atomic Layer Deposition of III-Nitride Alloys using Hollow-Cathode Plasma Source for Post-CMOS Processing and 3D Integration”, AVS 61st International Symposium and Exhibition, Baltimore, MD, 9 – 14 November, (2014).

97) Ali Haider, Hilal Cansizoglu, Burak Tekcan, Mehmet Cansizoglu, Tansel Karabacak, Ali Kemal Okyay, and Necmi Biyikli, “Enhanced Photoresponsivity of Conformal TiO2/Ag Nanorod Arrays Fabricated via (Successive) Glancing Angle and Atomic Layer Deposition”, AVS 61st International Symposium and Exhibition, Baltimore, MD, 9 – 14 November, (2014).

96) Sesha Vempati, Fatma Kayaci, Cagla Ozgit-Akgun, Inci Donmez, Necmi Biyikli, and Tamer Uyar, “Core–shell structured ZnO–TiO2 and TiO2–ZnO nanofibers via electrospinning and atomic layer deposition”, E-MRS 2014 Fall Meeting, Warsaw, Poland, 15 – 18 September (2014).95) Fatma Kayaci, Sesha Vempati, Cagla Ozgit-Akgun, Inci Donmez, Necmi Biyikli, and Tamer Uyar, ” Surface Functionalization of Electrospun Polymeric Nanofibers by Atomic Layer Deposition (ALD)”, E-MRS 2014 Fall Meeting, Warsaw, Poland, 15 – 18 September (2014).

94) Ruslan Garifullin, Hamit Eren, Gamze Ulusoy, Ali K. Okyay, Mustafa O. Guler, and Necmi Biyikli, “Fabrication of Self-Assembled Peptide Nanofiber Templated TiO2 Nanonetworks by ALD and Their Application in DSSCs”, XII International Conference on Nanostructured Materials (NANO 2014), Moscow, Russia, July 13-18 (2014).

93) Ayse Ozcan, Sami Bolat, Cagla Ozgit-Akgun, Necmi Biyikli, and Ali Kemal Okyay, “Resistive Switching Behavior of Hollow Cathode Plasma-Assisted Atomic Layer Deposited AlN and GaN Thin Films at Low Temperature”, 14th International Conference on Atomic Layer Deposition (ALD 2014), Kyoto, Japan, 15 – 18 June (2014).

92) Burak Tekcan, Cagla Ozgit-Akgun, Sami Bolat, Necmi Biyikli, and Ali Kemal Okyay, “Metal-semiconductor-metal ultraviolet photodetectors based on low-temperature atomic layer deposited GaN thin films”, 14th International Conference on Atomic Layer Deposition (ALD 2014), Kyoto, Japan, 15 – 18 June (2014).

91) Sami Bolat, Cagla Ozgit-Akgun, Burak Tekcan, Necmi Biyikli, and Ali Kemal Okyay, “Thin Film Transistors with Atomic Layer Deposited GaN Channels”, 14th International Conference on Atomic Layer Deposition (ALD 2014), Kyoto, Japan, 15 – 18 June (2014).

90) Ruslan Garifullin, Gamze Ulusoy, Hamit Eren, Ayse Ozcan, Mustafa O. Guler, Necmi Biyikli, and Ali Kemal Okyay, “Fabrication of Self-Assembled Peptide Nanofiber Templated TiO2 Nanonetworks by ALD and Their Application in DSSCs”, 14th International Conference on Atomic Layer Deposition (ALD 2014), Kyoto, Japan, 15 – 18 June (2014).

89) Eda Goldenberg, Ali Haider, Cagla Ozgit-Akgun, Ali Kemal Okyay, and Necmi Biyikli, “Optical Characteristics of AlxGa1-xN Thin Films Deposited by Hollow Cathode Plasma-Assisted Atomic Layer Deposition”, 14th International Conference on Atomic Layer Deposition (ALD 2014), Kyoto, Japan, 15 – 18 June (2014).

88) Halit Altuntas, Inci Donmez, Cagla Ozgit-Akgun, Ali Haider, and Necmi Biyikli, “Effect of post-deposition annealing on the electrical characteristics of β-Ga2O3 thin films deposited by PEALD”, 14th International Conference on Atomic Layer Deposition (ALD 2014), Kyoto, Japan, 15 – 18 June (2014).

87) Ali Haider, Cagla Ozgit-Akgun, Fatma Kayaci, Asli Celebioglu, Tamer Uyar, Ali Kemal Okyay, and Necmi Biyikli, “Synthesis of BN/AlN Core-Shell Hollow Nanofibers by Electrospinning and Hollow Cathode Plasma Assisted Atomic Layer Deposition”, 14th International Conference on Atomic Layer Deposition (ALD 2014), Kyoto, Japan, 15 – 18 June (2014).

86) Ali Haider, Cagla Ozgit-Akgun, Eda Goldenberg, Ali Kemal Okyay, and Necmi Biyikli, “Structural and Optical Properties of Hexagonal Boron Nitride Thin Films Deposited by Sequential Exposures of Triethylboron and N2/H2 Plasma”, 14th International Conference on Atomic Layer Deposition (ALD 2014), Kyoto, Japan, 15 – 18 June (2014).

85) (invited) Mustafa Alevli, Cagla Ozgit-Akgun, Inci Donmez, Ali K. Okyay, Necmi Biyikli, Sampath Gamage, Indika Senevirathna, and Nikolaus Dietz, “Effect of Reactor Pressure on The Optical and Electrical Properties of HPCVD Grown InN Films”, MRS – 5th International Symposium on Growth of III-Nitrides, Atlanta, GA, May 18 – 22 (2014).

84) Cagla Ozgit-Akgun, Fatma Kayaci, Sami Bolat, Burak Tekcan, Ali Kemal Okyay, Tamer Uyar, and Necmi Biyikli, “Low-Temperature Hollow Cathode Plasma-Assisted Atomic Layer Deposition of Nanocrystalline III-Nitride Thin Films and Nanostructures”, MRS – 5th International Symposium on Growth of III-Nitrides, Atlanta, GA, May 18 – 22 (2014).

83) Yasin Damgaci, Engin Cagatay, Necmi Biyikli, and Bedri Artug Cetiner, “Digital Microfluidics for Reconfigurable Antennas”, 8th European Conference on Antennas and Propagation (EUCAP 2014), The Hague, Netherlands, April 6 – 11 (2014).

82) Fatma Kayaci, Sesha Vempati, Cagla Ozgit-Akgun, Necmi Biyikli, and Tamer Uyar, “ZnO Nanostructures on Electrospun Nanofibers by Atomic Layer Deposition/Hydrothermal Growth and Their Photocatalytic Activity”, MRS Spring Meeting, San Francisco, CA, April 21 – 25 (2014).

81) (invited) C. Ozgit-Akgun, E. Goldenberg, A. K. Okyay, and N. Biyikli, “Low-Temperature Plasma-enhanced Atomic Layer Deposition of Crystalline III-Nitride Thin Films” ISSTC 2014, Istanbul, Turkey, January 13-15 (2014).

80) A. Karabulut, K. Ejderha, A. Haider, N. Biyikli, A. Turut, “Illumination Impact On The Electrical Characteristics of Sputtered Au/Ti/Al2O3/N-GaAs Schottky Diodes With Atomic Layer Deposited Al2O3Interfacial Layer”, ISSTC 2014, Istanbul, Turkey, January 13-15 (2014).

79) H. Ceylan, C. Ozgit-Akgun, T.S. Erkal, I. Donmez, R. Garifullin, A.B. Tekinay, N. Biyikli, and M. O. Guler, “Size-Controlled Conformal Nanofabrication of Biotemplated Three-Dimensional TiO2 and ZnO Nanonetworks”, MRS Spring Meeting, San Francisco, CA, April 21 – 25 (2014).

78) (invited) Cagla Ozgit-Akgun, Inci Donmez, and Necmi Biyikli, “Plasma-Enhanced Atomic Layer Deposition of III-Nitride Thin Films”, 224th ECS Meeting, San Francisco, CA, October 27 – November 1 (2013).

77) N. Biyikli, C. Ozgit-Akgun, A. Haider, H. Cansizoglu, M.F. Cansizoglu, and T. Karabacak, “ GLAD-ALD Core-Shell Nanorod Arrays for Solar Cell Applications”, AVS 60th International Symposium and Exhibition, Long Beach, CA, October 27 – November 1, (2013).

76) H. Ceylan, C. Ozgit-Akgun, T.S. Erkal, I. Donmez, R. Garifullin, F. Genisel, A.B. Tekinay, A.K. Okyay, M.O. Guler, and N. Biyikli, “Highly Conformal and Size-Controlled Nanofabrication of Macro-scale Three-Dimensional Biotemplated Inorganic Nanonetworks”, AVS 60th International Symposium and Exhibition, Long Beach, CA, October 27 – November 1, (2013).

75) Fatma Kayaci, Cagla Ozgit-Akgun, Necmi Biyikli and Tamer Uyar, “Surface-Decoration of Zinc Oxide (ZnO) Nanoparticles or Nanocoatings onto Electrospun Polymeric Nanofibrous Membranes by Atomic Layer Deposition”, International Porous and Powder Materials Symposium and Exhibition (PPM), Izmir, Turkey, 3 – 6 September (2013).

74) Necmi Biyikli and Cagla Ozgit-Akgun, “Atomic Layer Deposition: Opportunities and Challenges for Renewable Energy Applications”, International Workshop on Solid State Lighting Technologies and Research: LEDs and OLEDs, Istanbul, Turkey, 20-21 August (2013).

73) C. Ozgit-Akgun, I. Donmez, H. Ceylan, F. Kayaci, M.O. Guler, T. Uyar, and N. Biyikli “Photocatalytic Activities of ZnO and TiO2 Nanostructures Fabricated by Atomic Layer Deposition Using Organic Templates”, 13th International Conference on Atomic Layer Deposition (ALD 2013), San Diego, CA, 28 – 31 July (2013).

72) H. Altuntas, I. Donmez, C. Ozgit-Akgun, and N. Biyikli “Electrical Characteristics of Ga2O3 Thin Films Deposited by Plasma-enhanced Atomic Layer Deposition”, 13th International Conference on Atomic Layer Deposition (ALD 2013), San Diego, CA, 28 – 31 June (2013).

71) C. Ozgit-Akgun, I. Donmez, D. Kocaay, F. Bozkurt-Oruc, A. Dana, A.K. Okyay, and N. Biyikli, “Characterization and Electronic Device Applications of III-nitride Thin Films Deposited by Plasma-enhanced ALD”, 13th International Conference on Atomic Layer Deposition (ALD 2013), San Diego, CA, 28 – 31 July (2013).

70) D. Kocaay, C.O. Akgun, I. Donmez, O.O. Ekiz, M. Urel, N. Biyikli, and A. Dana, “High Performance Floating Gate Flash Memories Using Reduced Graphene Oxide As Charge Storage Medium and Atomic Layer Deposited High-k Dielectric Layers as Tunnel Barrier”, 13th International Conference on Atomic Layer Deposition (ALD 2013), San Diego, CA, 28 – 31 July (2013).

69) Fatma Kayaci, Cagla Ozgit-Akgun, Necmi Biyikli And Tamer Uyar “Preparation Of Polymer-ZnO Electrospun Nanofibrous Composites By Using Atomic Layer Deposition And Their Photocatalytic Activity”, 9th National Nanoscience & Nanotechnology Conference (NanoTR-9), Erzurum, Turkey, 24-28 July, 2013. (Best Poster Award)

68) Abdulkerim Karabulut, Ali Haider, Kadir Ejderha, Mehmet Alican Noyan, Çagla Özgit-Akgün, Betül Güzeldir, Necmi Biyikli, Abdulmecit Türüt, “The Effect Of Ultra-Thin Al2O3 Interfacial Layer Grown By Atomic Layer Deposition On Gaas-Based Schottky-Barrier Diode Characteristics”, 9th National Nanoscience & Nanotechnology Conference (NanoTR-9), Erzurum, Turkey, 24-28 June (2013).

67) (invited) Necmi Biyikli, Cagla Ozgit-Akgun, Inci Donmez, Mehmet Alican Noyan, Ali Haider, Fatma Kayaci, Hakan Ceylan, Fatih Genisel, Feyza Bozkurt-Oruc, Deniz Kocaay, Fatih Bayansal, Mustafa Ozgur Guler, Tamer Uyar, Ali Kemal Okyay, and Aykutlu Dana, “Atomic Layer Deposition: Opportunities and Challenges for Functional Thin-film Coatings & Template-based Nanostructures”, 3rd International Advances in Applied Physics and Materials Science Congress (APMAS), Antalya, Turkey 24-28 April (2013).

66) Fatma Kayaci, Cagla Ozgit-Akgun, Inci Donmez, Necmi Biyikli and Tamer Uyar, “Surface-Decoration of Inorganic Nanoparticles and Nanocoatings on Electrospun Polymeric Nanofibers by Atomic Layer Deposition (ALD)” International Workshop of COST Action FA0904 on Development of new safe polymer nanomaterials for food packaging, Prague, Czech Republic, 7-8 February (2013).

65) Bedri A. Cetiner and Necmi Biyikli, “Intelligent Antenna Systems, Applications and Enabling Technologies”, MEMSWAVE 2012, Antalya, Turkey 2-4 July (2012).

64) C. Ozgit-Akgun, F. Kayaci, I. Donmez, T. Uyar and N. Biyikli, “Template-based synthesis of AlN hollow nanofibers via plasma-enhanced atomic layer deposition”, Nanotech Conference & Expo 2012, Santa Clara, CA 18-21 June (2012).

63) F. Kayaci, C. Ozgit-Akgun, I. Donmez, N. Biyikli, and T. Uyar, “Flexible Organic-Inorganic Core-Shell Nanofibers by Electrospinning and Atomic Layer Deposition”, Nanotech Conference & Expo 2012, Santa Clara, CA 18-21 June (2012).

62) Engin Cagatay, Mehmet Alican Noyan, Yasin Damgaci, Bedri A. Cetiner, and Necmi Biyikli,  “Fabrication and characterization of liquid metal-based micro-electromechanical DC- contact switch for RF applications”, Microtech Conference & Expo 2012, Santa Clara, CA 18-21 June (2012).

61) M. Alevli, C. Ozgit-Akgun, and N. Biyikli, “The impact of increasing number of growth cycles on the properties of AlN thin films grown at low temperature by plasma enhanced atomic layer deposition”, 12th International Conference on Atomic Layer Deposition (ALD 2012), Dresden, Germany 17-20 June (2012).

60) F. Bozkurt-Oruc, C. Ozgit-Akgun, I. Donmez, N. Biyikli, and A. K. Okyay, “GaN-based thin-film-transistor structures grown by low-temperature plasma-enhanced atomic layer deposition”, 12th International Conference on Atomic Layer Deposition (ALD 2012), Dresden, Germany 17-20 June (2012).

59) I. Donmez, C. Ozgit-Akgun, and N. Biyikli, “Plasma-enhanced atomic layer deposition of gallium oxide and indium gallium oxide (IGO) thin films”, 12th International Conference on Atomic Layer Deposition (ALD 2012), Dresden, Germany 17-20 June (2012).

58) C. Ozgit-Akgun, F. Kayaci, I. Donmez, T. Uyar and N. Biyikli, “Functional nanofibers synthesized by electrospinning and atomic layer deposition”, 12th International Conference on Atomic Layer Deposition (ALD 2012), Dresden, Germany 17-20 June (2012).

57) Fatma Kayaci, Cagla Ozgit-Akgun, Inci Donmez, Necmi Biyikli and Tamer Uyar, “Fabrication of Polymeric-Metal oxide Core-Shell Nanofibers by Electrospinning and Atomic Layer Deposition and Their Photocatalytic Properties”, Electrospin 2012 – 2nd International Conference on Electrospinning, Jeju, South Korea, May 29- June 1 (2012).

56) (invited) Necmi Biyikli, Cagla Ozgit-Akgun, I. Donmez, Fatma Kayaci, and Tamer Uyar, “Atomic Layer Deposition of Functional III-Nitride Thin Films & Nano-structures”, 2nd Advances in Applied Physics and Materials Science (APMAS) Congress, Antalya, Turkey 26-29 April (2012).

55) Fatma Kayaci, Cagla Ozgit-Akgun, I. Donmez, Necmi Biyikli, and Tamer Uyar, “Functional Polymeric-Metal oxide Core-Shell Nanofibers by Electrospinning and Atomic Layer Deposition”, 2nd Advances in Applied Physics and Materials Science (APMAS) Congress, Antalya, Turkey 26-29 April (2012).

54) C. Ozgit, F. Kayaci, I. Donmez, T. Uyar and N. Biyikli, “Preparation of Al2O3 and AlN Nanotubes by Atomic Layer Deposition”, MRS Fall Meeting, Boston, MA, November 28 – December 2 (2011).

53) O. Hanoglu, H. Acar, S. Sulek, F. Yilmaz, M. Yuksel, S. Agan, N. Biyikli, M. O. Guler and A. K. Okyay, “Design, Fabrication, and Characterization of Nanogap Capacitive Sensors for Ultrasensitive Biosensing Applications”, MRS Fall Meeting, Boston, MA, November 28 – December 2 (2011).

52) E. Cagatay, Y. Damgaci, B. A. Cetiner, and N. Biyikli, “Actuation of Liquid Metal Droplets Using Electrowetting-on-Dielectric (EWOD) for Reconfigurable Antenna Applications”, MRS Fall Meeting, Boston, MA, November 28 – December 2 (2011).

51) C. Ozgit, I. Donmez, M. Alevli, and N. Biyikli, “Self-limiting growth of GaN at low temperatures”, E-MRS Fall 2011 Meeting, Warsaw, Poland, 19 – 23 September (2011).

50) M. Alevli, C. Ozgit, I. Donmez, and N. Biyikli, “The Influence of Growth Temperature on the Properties of Plasma Enhanced Atomic Layer Deposition Grown AlN films”, E-MRS Fall 2011 Meeting, Warsaw, Poland, 19 – 23 September (2011).

50) C. Ozgit, H. Acar, I. Donmez, M.O. Guler, and N. Biyikli, “Self-assembly of peptide nanostructures by atomic layer deposition”, 7th Nanoscience and Nanotechnology Conference, İstanbul, Turkey, 27 June-1 July (2011).

49) M. Alevli, C. Ozgit, I. Donmez, and N. Biyikli, “Nano-scale surface, structural and optical characterization of AlN layers grown by self-limiting atomic layer deposition”, 7th Nanoscience and Nanotechnology Conference, İstanbul, Turkey, 27 June-1 July (2011).

48) C. Ozgit, I. Donmez, M. Alevli, and N. Biyikli, “Sub-nanometer-scale-controlled-growth of III-nitride thin films using plasma-enhanced atomic layer deposition”, 7th Nanoscience and Nanotechnology Conference, İstanbul, Turkey, 27 June-1 July (2011).

47) E. Cagatay, Y. Damgaci, B. A. Cetiner, and N. Biyikli, “Actuation of liquid metal droplets using electrowetting-on-dielectric (EWOD)”, 7th Nanoscience and Nanotechnology Conference, İstanbul, Turkey, 27 June-1 July (2011).

46) M. Alevli, C. Ozgit, I. Donmez, R. Ozalp, M. Urel, A. Dana, and N. Biyikli, “The Influence of N2/H2 and NH3 group “V” source materials on optical and structural properties of AlN films grown by atomic layer deposition”, 11th International Conference on Atomic Layer Deposition, Cambridge, MA, 26-29 June (2011).

45) M. Alevli, C. Ozgit, I. Donmez, R. Ozalp, M. Urel, A. Dana, and N. Biyikli, “Atomic layer deposition of AlN thin films in three different growth regimes”, 11th International Conference on Atomic Layer Deposition, Cambridge, MA, 26-29 June (2011).

44) C. Ozgit, I. Donmez, M. Alevli, and  N. Biyikli, “Self-limiting growth of GaN using plasma-enhanced atomic layer deposition”, 11th International Conference on Atomic Layer Deposition, Cambridge, MA, 26-29 June (2011).

43) D. Rodrigo, Y. Damgaci, N. Biyikli, B. A. Cetiner, J. Romeu, L. Jofre, “MEMS-reconfigurable antenna based on a multi-size pixelled geometry”, 4th European Conference on Antennas and Propagation (EUCAP-2010), Barcelona, Spain, 12 – 16 April (2010).

42) D. Rodrigo, Y. Damgaci, N. Biyikli, B. A. Cetiner, J. Romeu, L. Jofre, “Genetic Impedance & Radiation Reconfigurability of a NEMS Bi-Clustered Pixelled Antenna”, MEMSWAVE 2009 International Symposium, Trento, Italy July 6-8 (2009).

41) N. Biyikli and B. A. Cetiner, “Low-voltage double-arm miniaturized MEMS/NEMS actuators”, 5th Nanoscience and Nanotechnology Conference, Eskisehir, Turkey, June 8-12 (2009).

40) Yasin Damgaci, Necmi Biyikli, and B. A. Cetiner, “RF-NEMS Integrated Frequency Reconfigurable Antenna for Waveform Diversity Schemes”, URSI/USNC-2009 National Radio Science Meeting, Boulder, CO, USA, 5-8 January (2009).

39) B. A. Cetiner and N. Biyikli, “Penta-Band Planar Inverted F-Antenna (PIFA) Integrated by RF-NEMS Switches”, IEEE UGIM 2008 17th Biennial University/Government/Industry Micro/Nano Symposium, Louisville, KY, July 13-16. pp. 116-119 (2008).

38) H. Cheng, Ç. Kurdak, N. Biyikli, J. Xie, and H. Morkoç, “Energy Relaxation in the Bloch-Gruneisen Regime Probed by Weak Antilocalization Measurements in GaN Heterostructures”, APS March Meeting, New Orleans, Louisiana, March10-14 (2008).

37) N. Biyikli, J. Xie, X. Ni, , Y. Fu, and H. Morkoç, “Growth and magneto-transport characterization of AlGaN/AlN/GaN heterostructures grown by pendeo-epitaxy”, SPIE Photonics West Meeting, San Jose, CA (2008).

36) Ç. Kurdak, H. Cheng, N. Biyikli,  Ü. Özgur, H. Morkoç, and V. I. Litvinov, “Spin-orbit coupling in AlGaN/AlN/GaN heterostructures with a polarization induced two-dimensional electron gas”, SPIE Photonics West Meeting, San Jose, CA (2008).

35) Y. Fu, J. Xie, S. A. Chevtchenko, N. Biyikli, X. Ni, U. Ozgur, Hadis Morkoç, Y. Ke, R. P. Devaty, W. J. Choyke, C. K. Inoki, and T. Kuan, “Polarity control and growth of GaN and AlN grown on carbon-face SiC by metalorganic vapor phase epitaxy”, SPIE Photonics West Meeting, San Jose, CA (2007).

34) Y. Fu, U. Ozgur, J. Xie, S. A. Chevtchenko, X. Ni, N. Biyikli, Hadis Morkoç, Y. Ke, R. P. Devaty, W. J. Choyke, C. K. Inoki, T. Kuan, J. V. Foreman, and H. O. Everitt, “Dislocation reduction in GaN layers grown on nanoscale columnar SiC substrates by metalorganic vapor phase epitaxy”, SPIE Photonics West Meeting, San Jose, CA (2007).

33) Necmi Biyikli, H. Cheng, Ç. Kurdak, X. Ni, Y. Fu, J. Xie, I. Vurgaftman, J. Meyer, and H. Morkoç, “Magneto-transport properties of MOVPE-grown AlxGa1-xN/AlN/GaN heterostructures with high-mobility two-dimensional electron gas”, SPIE Photonics West Meeting, San Jose, CA (2007).

32) Y. Fu, X. Ni, N. Biyikli, J. Xie, U. Ozgur, and Hadis Morkoç, “Growth and polarity control of GaN and AlN on carbon-face SiC by metalorganic vapor phase epitaxy”, MRS Fall Meeting, Boston, MA (2006).

31) Xianfeng Ni, Umit Özgür, Yi Fu, Necmi Biyikli, Hadis Morkoç, and Zuzanna Liliental-Weber, “Defect reduction in (11-20) a-plane GaN by two-step epitaxial lateral overgrowth”, MRS Fall Meeting, Boston, MA (2006).

30) Ç. Kurdak, N. Biyikli, H. Cheng, Ü. Özgür, H. Morkoç, and V. I. Litvinov, “Spin-Orbit Coupling  and Zero-Field Electron Spin Splitting in AlGaN/AlN/GaN Heterostructures with a Polarization Induced Two-Dimensional Electron Gas”, MRS Fall Meeting, Boston, MA (2006).

29) N. Biyikli, Ç. Kurdak, Ü. Özgür, X. Ni, Y. Fu, and H. Morkoç, “Persistent Photoconductivity in High-mobility AlxGa1–xN/AlN/GaN Heterostructures Grown by Metal-organic Vapor-phase Epitaxy”, MRS Fall Meeting, Boston, MA (2006).

28) K. –A. Son, Y. Liu, P. P. Ruden, J. Xie, N. Biyikli, Y. T. Moon, N. Onojima, and Hadis Morkoc, “GaN-based Micro Pressure Sensor for Extreme Environments,” IEEE Sensors 2005 Conference Proceedings, 1259 (2005).

27) N. Biyikli, C. W. Litton, J. Xie, Y.-T. Moon, F. Yun, C.-G. Stefanita, S. Bandyopadhyay, J.R. Meyer, and H. Morkoç, “Quantitative Mobility Spectrum Analysis of AlGaN/GaN Heterostructures Using Variable-Field Hall Measurements”, International Conference on SiC Related Materials, Pittsburgh, PA, September 28-30 (2005).

26) (invited) N. Biyikli, I. Kimukin, T. Tut, B. Butun, and E. Ozbay, “High Performance Solar-Blind AlGaN Photodetectors,” IEEE LEOS Annual Meeting, Rio Mar, Puerto Rico, November 7-11 (2004).

25) N. Biyikli, T. Kartaloglu, O. Aytur, T.Tut, I. Kimukin, and E. Ozbay, “Fabrication and Characterization of Solar-Blind Al0.6Ga0.4N MSM Photodetectors with Low Dark Current,” 62nd Annual Device Research Conference, Notre Dame, Indiana, June 21-23 (2004).

24) Y. Dikme, P. van Gemmern, Ch. Giesen, N. Biyikli, H. Kalisch, E. Ozbay, R. H. Jansen, and M. Heuken, “Investigation of MOVPE grown AlGaN buffer layers on sapphire for electronic and optoelectronic applications,” 7th Expert Evaluation & Control of Compound Semiconductor Materials & Technologies (EXMATEC), Montpellier, France, June 1-4 (2004).

23) Y. Dikme, P. van Gemmern, N. Biyikli, H. Kalisch, E. Ozbay, R. H. Jansen, M. Heuken, “Investigation of AlGaN buffer layers on sapphire grown by MOVPE,” SPIE Photonics West Meeting, San Jose, CA, Proceedings of the SPIE, vol. 5366 (2004).

22) Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur, and Ekmel Ozbay, “High-speed solar-blind AlGaN-based p-i-n photodiodes with high detectivity”, 8th Wide-Bandgap III-Nitride Workshop (IWN-8), Richmond, VA, September 29 – October 1st  (2003).

21) (invited) Ekmel Ozbay, Ibrahim Kimukin, and Necmi Biyikli, “Ultrafast and highly efficient resonant-cavity-enhanced photodiodes”, in Proceedings of SPIE Vol. 5246 Active and Passive Optical Components for WDM Communications III, Orlando, FL (2003).

20) Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur, and Ekmel Ozbay, “High-speed solar-blind AlGaN-based metal-semiconductor-metal photodetectors”, 5th  International Conference on Nitride Semiconductors  Nara, Japan 25-30 May (2003).

19) Ibrahim Kimukin, Necmi Biyikli, Tolga Kartaloglu, Orhan Aytur, and Ekmel Ozbay, “High-Performance AlGaN-based Visible-Blind Resonant Cavity Enhanced Schottky Photodiodes”, MRS Spring Meeting, San Francisco, CA (2003).

18) Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur, and Ekmel Ozbay, “High-Speed Solar-Blind AlGaN Schottky Photodiodes”, MRS Spring Meeting, San Francisco, CA (2003).

17) Necmi Biyikli, Ibrahim Kimukin, Turgut Tut, Orhan Aytur, and Ekmel Ozbay, “Solar-Blind AlGaN-based Schottky Photodiodes with High Detectivity and Low Noise”, MRS Fall Meeting, Boston, MA, MRS Symp. Proceedings Vol. 743 (2002).

16) Ibrahim Kimukin, Necmi Biyikli, and Ekmel Ozbay, “High-performance 1.55 mm Resonant Cavity Enhanced Photodetector,” Optical Fiber Communication Conference (OFC), Anaheim, CA, USA 17-22 March 2002, Technical Digest, 155 (2002).

15) Necmi Biyikli, Ibrahim Kimukin, Tolga Kartaloglu, Orhan Aytur, and Ekmel Ozbay, “High-speed visible-blind GaN-based ITO-Schottky photodiodes,” SPIE Photonics West Meeting, San Jose, CA, Proceedings of the SPIE, vol. 4650 (2002).

14) Ibrahim Kimukin, Necmi Biyikli, and Ekmel Ozbay, “High-Speed InGaAs-Based Resonant Cavity Enhanced p-i-n Photodiodes,” IEEE LEOS Annual Meeting (2001).

13) (invited) Ekmel Ozbay, Ibrahim Kimukin, and Necmi Biyikli, “Ultrafast & Highly Efficient Resonant Cavity Enhanced Photodiodes”, 11th Int. Symp.on Ultrafast Phenomena in Semiconductors, UFPS-11 Vilnius, Lithuania, 26-29 August (2001).

12) Necmi Biyikli, Ibrahim Kimukin, Orhan Aytur, Ekmel Ozbay, Mutlu Gokkavas, and Selim Unlu, “45 GHz bandwidth-efficiency resonant cavity enhanced ITO-Schottky photodiodes”, Optical Fiber Communication Conference (OFC), Anaheim, CA, USA 17-22 March, Technical Digest (2001).

11) Necmi Biyikli, Ibrahim Kimukin, Ekmel Ozbay, Mutlu Gokkavas, and Selim Unlu, “High-Speed Transparent Indium-Tin-Oxide Based Resonant Cavity Schottky photodiode with Si3N4/SiO2 top Bragg mirror”, OSA Topical Meetings, Ultrafast Electronics and Optoelectronics, Lake Tahoe, NV (2001).

10) Ibrahim Kimukin, Ekmel Özbay, Necmi Biyikli, Tolga Kartaloglu, Orhan Aytur, and Gary Tuttle, “High-Speed 1.3 um GaAs Based Internal Photoemission Resonant Cavity Enhanced Photodetector”, IEEE LEOS Annual Meeting, (2000).

9) Necmi Biyikli, Ibrahim Kimukin, Orhan Aytur, Ekmel Ozbay, Mutlu Gokkavas, and Selim Unlu, “High-speed transparent indium-tin-oxide based resonant cavity Schottky photodiode with Si3N4/SiO2 top Bragg mirror,” OSA CLEO Annual Meeting, Tech. Digest, 468 (2000).

8) Necmi Biyikli, Ibrahim Kimukin, Ekmel Ozbay, and Gary Tuttle, “1.3 um GaAs based resonant cavity enhanced Schottky barrier internal photoemission photodetector,” OSA CLEO Annual Meeting, Technical Digest, 368 (2000).

7) Ekmel Ozbay, Ibrahim Kimukin, Necmi Biyikli, and Gary Tuttle, “High-Speed GaAs Based Resonant Cavity Enhanced 1.3 Micron Photodetector”, SPIE Photonics West Meeting, San Jose, CA  (2000).

6) (invited) Ekmel Özbay, Necmi Biyikli, Ibrahim Kimukin, and Orhan Aytur, “High-Performance ITO-AlAs/GaAs based Resonant Cavity Enhanced Schottky Photodiodes”, IEEE LEOS Annual Meeting (1999).

5) G. Ulu, M. Gokkavas, M. S. Unlu, N. Biyikli, I. Kimukin, E. Ozbay, R. P. Mirin, K. A. Bertness, and D. H. Christensen, “High-Speed Resonant Cavity Enhanced Photodiodes with Near-Unity Quantum Efficiency”, OSA Topical Meetings, Ultrafast Electronics and Optoelectronics, Snowmass, CO April (1999).

4) (invited) Ekmel Ozbay, Necmi Biyikli, Ibrahim Kimukin, “High-Speed High-Efficiency Resonant Cavity Enhanced Photodiodes,” SPIE Photonics West Meeting, San Jose, CA, Proceedings, 3629, 298 (1999).

3) G. Ulu, M. Gokkavas, M.S. Unlu, N. Biyikli, E. Ozbay, O. Aytur, R.P. Mirin, and D.H. Christensen, “Ultrafast photodetectors with near-unity quantum efficiency,” SPIE Photonics West Meeting, San Jose, CA, (1999).

2) N. Biyikli, E. Özbay, I. Kimukin, O. Aytur, M. Gokkavas, S. Unlu, R. Mirin, and D. H. Christensen, “High-Speed Widely-Tunable >90% Quantum-Efficiency Resonant Cavity Enhanced p-i-n Photodiodes”, IEEE LEOS Annual Meeting, Orlando, FL (1998).

1) Erhan Ata, Necmi Biyikli, Ekrem Demirel, E. Özbay, Mutlu Gokkavas, Bora Onat, Selim Unlu, and Gary Tuttle, “High-speed resonant cavity enhanced Schottky photodiodes”, OSA CLEO Annual Meeting, (1998).

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