{"id":4,"date":"2017-01-13T22:25:17","date_gmt":"2017-01-13T22:25:17","guid":{"rendered":"http:\/\/www.ee.uconn.edu\/helena-silva\/?page_id=4"},"modified":"2024-11-26T14:22:00","modified_gmt":"2024-11-26T14:22:00","slug":"home","status":"publish","type":"page","link":"https:\/\/www.ee.uconn.edu\/helena-silva\/","title":{"rendered":"Helena Silva"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-84 \" src=\"http:\/\/www.ee.uconn.edu\/helena-silva\/wp-content\/uploads\/sites\/29\/2022\/10\/hs2019ITEB.jpg\" alt=\"\" width=\"164\" height=\"177\" \/><\/p>\n<p>Professor<\/p>\n<p>Information Technologies Engineering Bldg., 457<\/p>\n<p><a href=\"mailto:helena.silva@uconn.edu\">helena.silva@uconn.edu<\/a><\/p>\n<p style=\"text-align: justify\"><span style=\"font-size: 12pt\"><a href=\"https:\/\/scholar.google.com\/citations?user=Kub4QgkAAAAJ&amp;hl=en\">Google Scholar Profile &#8211; Helena Silva<\/a><\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"font-size: 12pt\"><strong>Research Group Page<\/strong>:\u00a0<a href=\"http:\/\/electron.engr.uconn.edu\/\">Nanoelectronics Lab<\/a><\/span><\/p>\n<h5 style=\"text-align: justify\"><span style=\"font-size: 12pt\"><strong>Education<\/strong><\/span><\/h5>\n<h5 style=\"text-align: justify\"><span style=\"font-size: 12pt\">Ph.D., Applied Physics, Cornell University (2005)<\/span><\/h5>\n<h5 style=\"text-align: justify\"><span style=\"font-size: 12pt\">Licenciatura, Engineering Physics, Tecnico Lisboa, Universidade de Lisboa (1998)<\/span><\/h5>\n<p><span style=\"font-size: 12pt\"><strong>Research Interests<\/strong><\/span><\/p>\n<p><span style=\"font-size: 12pt\">Nanoelectronic devices, electronic and thermal transport at small scales, non-volatile memory devices, phase-change memory, thermoelectric materials and devices, nanofabrication techniques.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"font-size: 12pt\"><strong>Publications<\/strong><\/span><\/p>\n<p><span style=\"font-size: 12pt\"><b><i>Book Chapters<\/i><\/b><\/span><\/p>\n<p><span style=\"font-size: 12pt\">M. Singh, C. Ghosh, S. Tripathi, P. Kotula, G. Bakan, H. Silva, C. B. Carter, <em>TEM Studies of Segregation in a Ge\u2013Sb\u2013Te Alloy During Heating<\/em>, in Applications of Microscopy in Materials and Life Sciences, Springer 2021.<\/span><\/p>\n<p><span style=\"font-size: 12pt\">N. Noor and H. Silva, <em>Phase Change Memory for Physical Unclonable Functions, <\/em>in Applications of Emerging Memory Technology, Springer Singapore 2020,<a href=\"https:\/\/doi.org\/0.1007\/978-981-13-8379-3\">https:\/\/doi.org\/0.1007\/978-981-13-8379-3<\/a>.<\/span><\/p>\n<p><span style=\"font-size: 12pt\">R. Khan, N. Noor, J. Scoggin, C. Lu, M. vanDijk, A. Gokirmak, H. Silva<em>, Phase-change memory and its applications in hardware security, <\/em>in\u00a0Security Opportunities in Nano Devices and Emerging Technologies, CRC Press 2017, <a href=\"https:\/\/doi.org\/10.1201\/9781315265056\">https:\/\/doi.org\/10.1201\/9781315265056.<\/a><\/span><\/p>\n<p><span style=\"font-size: 12pt\">A. Faraclas, A. Gokirmak, H. Silva, Phase-change memories and electrothermal modeling, in <i>Nanoscale Semiconductor Memories: Technology and Applications, CRC <\/i>Press 2014, <a href=\"https:\/\/doi.org\/10.1201\/b16236\">https:\/\/doi.org\/10.1201\/b16236<\/a>.\u00a0<\/span><\/p>\n<p><span style=\"font-size: 12pt\"><b><i>Journal Articles<\/i><\/b><b><\/b><\/span><\/p>\n<p><span style=\"font-size: 12pt\">66) A. Talukder, M. Kashem, M. Hafiz, R. Khan, F. Dirisaglik, H. Silva, A. Gokirmak, Electronic transport in amorphous Ge2Sb2Te5 phase-change memory line cells and its response to photoexcitation Appl. Phys. Lett. 124, 263501 (2024).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">65) A. B. M. H. Talukder, M. T. Kashem, R. Khan, F. Dirisaglik, A. Gokirmak and H. Silva, Resistance Drift in Melt-Quenched Ge2Sb2Te5 Phase Change Memory Line Cells at Cryogenic Temperatures, ECS Journal of Solid State Science and Technology 13, 025001 (2024).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">64) MTB Kashem, J Scoggin, Z Woods, H Silva, A Gokirmak, Modeling Reset, Set, and Read Operations in Nanoscale Ge2Sb2Te5 Phase\u2010Change Memory Devices Using Electric Field\u2010 and Temperature\u2010Dependent Material Properties, physica status solidi (RRL)\u2013Rapid Research Letters, 2200419 (2023).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">63) O Maksimov, K Hansen, HB Bhandari, G Wicker, H Mousa, S Ilhom, &amp; H. Silva, Novel applications of ZnTe as an ovonic threshold switching and as a phase change material, MRS Advances, 8, 173\u2013176 (2023).<\/span><\/p>\n<p><span style=\"font-size: 12pt\"><span style=\"font-weight: 400\">62) ABM Talukder, B Smith, M Akbulut, F Dirisaglik, H Silva, A Gokirmak, Temperature Dependent Characteristics and Electrostatic Threshold Voltage Tuning of Accumulated Body MOSFETs, IEEE Transactions on Electron Devices 69 (8), 4138-4143 (2022).<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400;font-size: 12pt\">61) MTB Kashem, J Scoggin, H Silva, A Gokirmak, Finite Element Modeling of Thermoelectric Effects in Phase Change Memory Cells, Electrochemical Society Transactions 108 (1), 3 (2022).<\/span><\/p>\n<p><span style=\"font-weight: 400;font-size: 12pt\">60) MTB Kashem, S Muneer, L Adnane, F Dirisaglik, A Gokirmak, H Silva, Calculation of the Energy Band Diagram and Estimation of Electronic Transport Parameters of Metastable Amorphous Ge2Sb2Te5, Electrochemical Society Transactions 108 (1), 29 (2022).<\/span><\/p>\n<p><span style=\"font-weight: 400;font-size: 12pt\">59) RS Khan, NH Kan&#8217;an, J Scoggin, H Silva, A Gokirmak, R. Khan, Computational Analysis of Multi-contact Phase Change Device for Toggle Logic Operations, Materials Science in Semiconductor Processing, Materials Science in Semiconductor Processing 134, 106042 (2021).<\/span><\/p>\n<p><span style=\"font-weight: 400;font-size: 12pt\">58) S Muneer, G Bakan, A Gokirmak, H Silva, Incorporation of GTR (generation\u2013transport\u2013recombination) in semiconductor simulations, Journal of Applied Physics 129 (5), 055702 (2021).<\/span><\/p>\n<p><span style=\"font-weight: 400;font-size: 12pt\">57) MK Singh, C Ghosh, S Tripathi, P Kotula, G Bakan, H Silva, CB Carter, TEM Studies of Segregation in a Ge\u2013Sb\u2013Te Alloy During Heating, Applications of Microscopy in Materials and Life Sciences, 105-114 (2021).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">56) J. Scoggin, H. Silva, A. Gokirmak, Field Dependent Conductivity and Threshold Switching in Amorphous Chalcogenides &#8211; Modeling and Simulations of Ovonic Threshold Switches and Phase Change Memory Devices, Journal of Applied Physics 128 (23), 234503 (2020).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">55) N. Noor, S. Muneer, R. S. Khan, A. Gorbenko, L. Adnane, M. T. Kashem, J. Scoggin, F. Dirisaglik, A. Cywar, A. Gokirmak, and H.\u00a0 Silva, Reset Variability in Phase Change Memory for Hardware Security Applications, IEEE Trans. on Nanotechnology 20, 75-82 (2020).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">54) Nadim Kanan Raihan Sayeed Khan Zachary Woods Helena Silva Ali Gokirmak, Phase\u2010Change Logic via Thermal Cross\u2010Talk for Computation in Memory, Physica Status Solidi (RRL) \u2013 Rapid Research Letters 15, 3 (2020).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">53) N. Noor, S. Muneer, R. Khan, A. Gorbenko, H. Silva, Amorphized Length and Variability in Phase Change Memory Line Cells, Beilstein Journal of Nanotechnology 11 (1), 1644-1654 (2020).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">52) N. Noor, S. Muneer, R. S. Khan, A. Gorbenko, and H. Silva, Enhancing Programming Variability in Multi-bit Phase Change Memory Cells for Security, IEEE Trans. on Nanotechnology 19, 820 &#8211; 828 (2020).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">51) M. Singh, C. Ghosh, B. Miller, P. Kotula, S. Tripathi, J. Watt, G. Bakan, H. Silva, C. B. Carter, In-situ TEM Study of Crystallization and Chemical Changes in an Oxidized Uncapped Ge2Sb2Te5 Film, Journal of Applied Physics, DOI: 10.1063\/5.0023761 (2020)<\/span><\/p>\n<p><span style=\"font-size: 12pt\">50) R. Khan, F. Dirisaglik, A. Gokirmak, H. Silva, Resistance drift in Ge2Sb2Te5 phase change memory line cells at low temperatures and its response to photoexcitation, Applied Physics Letters. 116 (25), 253501\u00a0(2020).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">49) A. Cywar, Z. Woods, S. Kim, M. BrightSky, N. Sosa, Y. Zhu, H. S. Kim, H. K. Kim, C. Lam, A. Gokirmak, H. Silva, Modeling of void formation in phase change memory devices, Solid-State Electronics, 164, 107684 (2020).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">48) S. Tripathi, P. Kotula, M. Singh, C. Ghosh, G. Bakan, H. Silva, C. B. Carter, C Barry, Role of oxygen on chemical segregation in uncapped Ge2Sb2Te5 thin films on silicon nitride, ECS Journal of Solid State Science and Technology (2020).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">47) J. Scoggin, Z. Woods, H. Silva, A. Gokirmak, Modeling heterogeneous melting in phase change memory devices, Applied Physics Letters 114, 043502 (2019).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">46) Sadid Muneer, Jake Scoggin, Faruk Dirisaglik, Lhacene Adnane, Adam Cywar, Gokhan Bakan, Kadir Cil, Chung Lam, Helena Silva, and Ali Gokirmak, \u201cActivation Energy of Metastable Amorphous Ge<sub>2<\/sub>Sb<sub>2<\/sub>Te<sub>5<\/sub> from Room Temperature to Melt,\u201d AIP Advances 2158-3226 (2018).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">45) J. Scoggin, R. Khan, H. Silva, and A. Gokirmak<sup> \u201c<\/sup>Modeling and Impacts of the Latent Heat of Phase Change and Specific Heat for Phase Change Materials,\u201d Appl. Phys. Lett. 112 (19), 193502 (2018).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">44) Mustafa B. Akbulut , Faruk Dirisaglik, Student Member, IEEE, Adam Cywar, Azer Faraclas,\u00a0Douglas Pence, Jyotica Patel, Steven Steen, Ron W. Nunes, Helena Silva, and Ali Gokirmak, &#8220;<span class=\"ng-binding\">Nanoscale Accumulated Body Si nMOSFETs<\/span>,&#8221; IEEE Transactions on Electron Devices, http:\/\/10.1109\/TED.2018.2809643ices, PP, 99 (2018).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">43)\u00a0L. Adnane, F. Dirisaglik, A. Cywar, K. Cil, Y. Zhu, C. Lam, A. F. M. Anwar, A. Gokirmak, and H. Silva, &#8220;High temperature electrical resistivity and Seebeck coefficient of Ge2Sb2Te5 thin films,&#8221;\u00a0Journal of Applied Physics 122, 125104 (2017).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">42) G. Bakan,\u00a0B. Gerislioglu,\u00a0F. Dirisaglik,\u00a0Z. Jurado,\u00a0L. Sullivan,\u00a0A. Dana,\u00a0C. Lam<sup>5<\/sup>,\u00a0A. Gokirmak\u00a0and\u00a0H. Silva, \u201c Extracting the temperature distribution on a phase-change memory cell during crystallization,\u201d Journal of Appl. Phys.\u00a0120, 164504\u00a0(2016).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">41) A. Deschenes, S. Muneer, M. Akbulut, A.Gokirmak and H. Silva, Analysis of self-heating of thermally assisted spin-transfer torque magnetic random access memory, <em>Beilstein J. Nanotechnol.<\/em>\u00a02016,\u00a0<em>7,<\/em>\u00a01676\u20131683 (2016).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">40) L. Adnane, A. Gokirmak and H. Silva, &#8220;High temperature Hall measurement setup for thin film characterization,&#8221; Rev. Sci. Instrum. 87, 075117 (2016).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">39) N. Kan\u2019an, H. Silva and A. Gokirmak, &#8220;Phase-change pipe for non-volatile routing,&#8221; Journal of the Electron Devices Society 4, 2, 72-75 (2016).<\/span><\/p>\n<p><span style=\"font-size: 12pt\"><em>38) <\/em>N. Noor, L. Lucera, T. Capuano, V. Manthina, A. G.\u00a0Agrios, H. Silva and A. Gokirmak, &#8220;Blue and white light emission from zinc oxide nanoforests,&#8221; Beilstein J. Nanotechnol. 2015, 6, 2463\u20132469 (2015).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">37) L. Adnane, N. Williams, H. Silva and A. Gokirmak, &#8220;High temperature setup for measurements of Seebeck coefficient and electrical resistivity of thin films using inductive heating,&#8221; Review of Scientific Instruments, vol. 86, pp. 105119 (2015).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">36) N. Noor, V. Manthina, K. Cil, L. Adnane, A. G. Agrios, A. Gokirmak, H. Silva, \u201cAtmospheric pressure microplasmas in ZnO nanoforests under high voltage stress,\u201d AIP Advances, 2015, 5, 9, 097212 (2015).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">35) S.Muneer, A.Gokirmak, H. Silva, \u201cVacuum-Insulated Self-Aligned Nanowire Phase-Change Memory Devices,\u201d IEEE Trans. On Electron Devices 62, 5, 1668-1671 (2015).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">34) F. Dirisaglik, G. Bakan, Z. Jurado, S. Muneer, M. Akbulut, J. Rarey, L. Sullivan, M. Wennberg, A. King, L. Zhang, R. Nowak, C. Lam, H. Silva and A. Gokirmak, \u201cHigh speed, high temperature electrical characterization of phase change materials: metastable phases, crystallization dynamics, and resistance drift,\u201d <em>Nanoscale, 2015,<strong>7<\/strong>, 16625-16630 (<\/em>2015).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">33) M. B. Akbulut, H. Silva and A. Gokirmak, &#8220;3D Computational Analysis of Accumulated Body MOSFETs,&#8221; <em>IEEE Trans. Nanotechnology, <\/em>vol. 14, pp. 1-7 (2015).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">32) G. Bakan, A. Gokirmak, H. Silva, \u201cSuppression of thermoelectric Thomson effect in silicon microwires under large electrical bias and implications for phase-change memory devices,\u201d Journal of Applied Physics 116, 23, 234507 (2014).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">31) F. Dirisaglik, G. Bakan, A. Faraclas, A. Gokirmak, H. Silva, \u201cNumerical Modeling of Thermoelectric Thomson Effect in Phase Change Memory Bridge Structures,\u201d Intl. Journal of High Speed Electronics and Systems, May 2014 (<i>Special Issue CMOC 2013<\/i>)<\/span><\/p>\n<p><span style=\"font-size: 12pt\">30) A. Faraclas, G. Bakan, L. Adnane, F. Dirisaglik, N. Williams, A. Gokirmak and H. Silva, \u201cModeling of thermoelectric effects in phase change memory cells,\u201d <i>IEEE Trans. on Electron Devices<\/i>, 61, 2, 372-387, 10.1109\/TED.2013.2296305<i> <\/i>(2014).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">29) M. Trombetta, N. Williams, S. Fischer, A. Gokirmak, H. Silva, \u201cFinite element electrothermal modeling of nanocrystalline phase-change materials using a mesh-based crystallinity approach,\u201d <i>Electronic Letters <\/i>50, 2, pp. 100-101, DOI:\u00a0 10.1049\/el.2013.2253 (2014).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">28) G. Bakan, N. Khan, H. Silva, A. Gokirmak, \u201cHigh-temperature thermoelectric transport at small scales: generation, transport and recombination of minority carriers,\u201d <i>Scientific Reports<\/i> 3, 2724, doi:10.1038\/srep02724 (2013).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">27) N. Kan\u2019an, A. Faraclas, N. Williams, H. Silva and A. Gokirmak, \u201cComputational Analysis of Rupture Oxide Phase Change Memory Cells\u201d, <i>IEEE Trans. on Electron Devices<\/i>, 60, 5, 1649-1655, 10.1109\/TED.2013.2255130 (2013).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">26) S. Fischer, C. Osorio, N. Williams, S. Ayas, H. Silva, A. Gokirmak, \u201cPercolation transport and filament formation in nanocrystalline silicon nanowires,\u201d <i>Journal of Applied Physics <\/i>113, 16, 164902 &#8211; 164902-5 (2013).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">25) K. Cil, Y. Zhu, J. Li, C. H. Lam, H. Silva, \u201cAssisted cubic to hexagonal phase transition in GeSbTe thin films on silicon nitride,\u201d <i>Thin Solid Films<\/i> 536, 216\u2013219, http:\/\/dx.doi.org\/10.1016\/j.tsf.2013.03.087 (2013).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">24) K. Cil, F. Dirisaglik, M. Wennberg, A. King, A. Faraclas, M. Akbulut, Y. Zhu, C. Lam, A. Gokirmak, H. Silva, \u201cElectrical resistivity of liquid Ge<sub>2<\/sub>Sb<sub>2<\/sub>Te<sub>5<\/sub> nanostructures,\u201d <i>IEEE Trans. on Electron Devices<\/i> 60, 1, 433-437 (2013).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">23) G. Bakan, L. Adnane, A. Gokirmak, H. Silva, \u201cExtraction of electrical resistivity and thermal conductivity up to melting temperature from self-heated silicon microwires,\u201d <i>Journal of Applied Physics<\/i> 112, 063527 (2012).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">22) N. Williams, H. Silva, A. Gokirmak, \u201cFinite Element Analysis of Scaling of Micro Thermoelectric Generators,\u201d AIP <i>Journal of Renewable and Sustainable Energy<\/i> <strong>4<\/strong>, 043110 (2012).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">21) N. Williams, H. Silva, A. Gokirmak, \u201cNanoscale ringFETs,\u201d <i>IEEE Electron Device Letters<\/i> 33, 10, 1339-1341 (2012).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">20) A. Cywar, A. Gokirmak, H. Silva, \u201cFinite Element Modeling of a Nanowire-Based Oscillator Achieved Through Solid-Liquid Phase Switching for GHz Operation\u201d, <i>Solid State Electronics<\/i> 78, 97-101 (2012).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">19) A. Cywar, J. Li, C. Lam, H. Silva, \u201cThe impact of heater-recess and load matching in phase change memory mushroom cells,\u201d <i>Nanotechnology<\/i> 23, 22, 225201(2012).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">18) M. Staruch, K. Cil, H. Silva, J. Xiong, Q.X. Jia, and M. Jain, \u201cEffect of Mn Doping on the Properties of Sol-gel Derived Pb<sub>0.3<\/sub>Sr<sub>0.7<\/sub>TiO<sub>3<\/sub> Thin Films,\u201d <i>Integrated Ferroelectrics<\/i> (special issue, <i>invited<\/i>)<\/span><\/p>\n<p><span style=\"font-size: 12pt\">17) H. Silva, G. Bakan, A. Cywar, N. Williams, N. Henry, F. Dirisaglik, A. Gokirmak, \u201cCrystallization of silicon microstructures through rapid self-heating for high-performance electronics on arbitrary substrates,\u201d <i>Nanoscience and Nanotechnology Letters<\/i> 4, 962-969 (2012) (special issue, <i>invited)<\/i><\/span><\/p>\n<p><span style=\"font-size: 12pt\">16) H. Peng, K. Cil, A. Gokirmak, G. Bakan, Y. Zhu, C. Lai, C. Lam and H. Silva, &#8220;Thickness dependence of the amorphous-cubic and cubic-hexagonal phase transition temperatures of GeSbTe thin films on silicon nitride,&#8221; <i>Thin Solid Films, <\/i>vol. 520, pp. 2976-2978, 2011.<\/span><\/p>\n<p><span style=\"font-size: 12pt\">15) A. Faraclas, N. Williams, A. Gokirmak and H. Silva, Modeling of Set and Reset Operations of Phase-Change Memory Cells, <i>IEEE Electron Device Letters<\/i>, 32, 12, 1737 \u2013 1739 (2011).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">14) A. Cywar, F. Dirisaglik, M. Akbulut, G. Bakan, S. Steen, H. Silva, and A. Gokirmak, \u201cScaling of silicon phase-change oscillators,\u201d <i>IEEE Electron Device Letters<\/i>, 32, 11, 1486 \u2013 1488 (2011).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">13) G. Bakan, N. Khan, A. Cywar, K. Cil, M. Akbulut, A. Gokirmak and H. Silva, \u2018Self-heating of silicon microwires: Crystallization and thermoelectric effects,\u2019 <i>Journal of Materials Research<\/i>, 26: 1061-1071, <i>Invited Feature Paper<\/i> (2011).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">12) A. Cywar, G. Bakan, H. Silva, A. Gokirmak, \u201cNanosecond Pulse Generation in a Silicon Microwire,\u201d <i>IEEE Electron Device Letters<\/i> 31, 12, 1362-1364 (2010).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">11) G. Bakan, A. Cywar, H. Silva and A. Gokirmak, &#8220;Melting and crystallization of nanocrystalline silicon microwires through rapid self-heating,&#8221; <i>Applied Physics Letters, <\/i>94, 251910-1 &#8211; 251910-3 (2009).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">10) A. Cywar, G. Bakan, C. Boztug, H. Silva and A. Gokirmak, &#8220;Phase-change oscillations in silicon microwires,&#8221; <i>Applied Physics Letters, <\/i>94, 072111-1 \u2013 072111-3 (2009).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">9) K. M. Fan, C. S. Lai, H. Silva, C. F. Ai and C. R. Chen, &#8220;Programming Speed Enhancement by NH Plasma Nitridation of Tunneling Oxide for Ge Nanocrystals Memory,&#8221; <i>J. Electrochem. Soc., <\/i>vol. 155, pp. H889 \u2013 H894, (2008).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">8) K. J. Lee, R. LaComb, B. Britton, M. Shokooh-Saremi, H. Silva, E. Donkor, Y. Ding and R. Magnusson, &#8220;Silicon-Layer Guided-Mode Resonance Polarizer With 40-nm Bandwidth,&#8221; <i>IEEE Photonics Technology Letters, <\/i>vol. 20, 1857-1859 (2008).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">7) H. Silva and S. Tiwari, &#8220;Random telegraph signal in nanoscale back-side charge trapping memories,&#8221; <i>Appl. Phys. Lett., <\/i>vol. 88, pp. 102105-1 \u2013 102105-3 (2006).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">6) H. Silva and S. Tiwari, &#8220;A nanoscale memory and transistor using backside trapping,&#8221; <i>IEEE Transactions on Nanotechnolog<\/i> 3, 264-269 (2004).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">5) H. Silva, M. K. Kim, U. Avci, A. Kumar and S. Tiwari, &#8220;Nonvolatile Silicon Memory at the Nanoscale,&#8221; <i>Materials Research Soceity Bulletin, <\/i>845-851 (2004).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">4) M. K. Kim, S. D. Chae, H. S. Chae, J. H. Kim, Y. S. Jeong, J. W. Lee, H. Silva, S. Tiwari and C. W. Kim, &#8220;Ultrashort SONOS Memories,&#8221;<i> IEEE Transactions on Nanotechnology<\/i> 3, 417-424 (2004).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">3) S. Tiwari, J. A. Wahl, H. Silva, F. Rana and J. J. Welser, &#8220;Small silicon memories: confinement, single-electron,. and interface state considerations,&#8221; <i>Applied Physics A, <\/i>71, 403-414 (2000).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">2) V. Chu, H. Silva, L. M. Redondo, C. Jesus, M. F. Silva, J. C. Soares and J. P. Conde, &#8220;Ion implantation of microcrystalline silicon for low process temperature top gate thin film transistors,&#8221; <i>Thin Solid Films, <\/i>vol. 337, pp. 203-207 (1999).<\/span><\/p>\n<p><span style=\"font-size: 12pt\">1) V. Chu, J. Jarego, H. Silva, T. Silva, M. Reissner, P. Brogueira and J. P. Conde, &#8220;Improved mobility of amorphous silicon thin-film transistors deposited by hot-wire chemical vapor deposition on glass substrates,&#8221; <i>Applied Physics Letters, <\/i>70, 2714-2716 (1997).<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Professor Information Technologies Engineering Bldg., 457 helena.silva@uconn.edu Google Scholar Profile &#8211; Helena Silva Research Group Page:\u00a0Nanoelectronics Lab Education Ph.D., Applied Physics, Cornell University (2005) Licenciatura, Engineering Physics, Tecnico Lisboa, Universidade de Lisboa (1998) Research Interests Nanoelectronic devices, electronic and thermal transport at small scales, non-volatile memory devices, phase-change memory, thermoelectric materials and devices, nanofabrication techniques. [&hellip;]<\/p>\n","protected":false},"author":57,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ee.uconn.edu\/helena-silva\/wp-json\/wp\/v2\/pages\/4","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ee.uconn.edu\/helena-silva\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ee.uconn.edu\/helena-silva\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ee.uconn.edu\/helena-silva\/wp-json\/wp\/v2\/users\/57"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ee.uconn.edu\/helena-silva\/wp-json\/wp\/v2\/comments?post=4"}],"version-history":[{"count":46,"href":"https:\/\/www.ee.uconn.edu\/helena-silva\/wp-json\/wp\/v2\/pages\/4\/revisions"}],"predecessor-version":[{"id":94,"href":"https:\/\/www.ee.uconn.edu\/helena-silva\/wp-json\/wp\/v2\/pages\/4\/revisions\/94"}],"wp:attachment":[{"href":"https:\/\/www.ee.uconn.edu\/helena-silva\/wp-json\/wp\/v2\/media?parent=4"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}