Helena Silva
Professor/Electrical and Computer Engr

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Physical and electrical characterization of zinc telluride thin films deposited by atomic layer deposition
2025
Saidjafarzoda Ilhom, Katherine Hansen, Harish Bhandari, Guy Wicker, Oleg Maksimov, Habeeb Mousa, Helena Silva
Research Type: Journal Article

https://dx.doi.org/10.1557/s43580-025-01262-3
Modeling Filamentary Conduction in Reset Phase Change Memory Devices
2025
Ali Gokirmak, Helena Silva, Md Samzid Bin Hafiz
Research Type: Journal Article

https://dx.doi.org/10.1002/pssr.202400416
Resistance Drift in Melt-Quenched Ge2Sb2Te5 Phase Change Memory Line Cells at Cryogenic Temperatures
2024
Md Tashfiq Kashem, Helena Silva, Ali Gokirmak, Faruk dirisaglik, Hasan Talukder, Raihan Khan
Research Type: Journal Article

Electronic transport in amorphous Ge2Sb2Te5 phase-change memory line cells and its response to photoexcitation
2024
Samzid Hafiz, Faruk Dirisaglik, Raihan Khan, Hasan Talukder, Ali Gokirmak, Helena Silva, Md Tashfiq Kashem
Research Type: Journal Article

Modeling Reset, Set and Read Operations in Nanoscale Ge2Sb2Te5 Phase-Change Memory Devices Using Electric Field- and Temperature-Dependent Material Properties
2023
Jacob Scoggin, Ali Gokirmak, Helena Silva, M. Tashfiq Bin Kashem, Zachary Woods
Research Type: Journal Article

Modeling Reset, Set, and Read Operations in Nanoscale Ge2Sb2Te5 Phase‐Change Memory Devices Using Electric Field‐ and Temperature‐Dependent Material Properties
2023
Research Type: Journal Article

Novel applications of ZnTe as an ovonic threshold switching and as a phase change material
2023
Habeeb Mousa, Guy Wicker, HB Bandhari, Oleg Maksimov, Helena Silva, Saidjafarzoda Ilhom, Katherine Hansen
Research Type: Journal Article

Temperature-Dependent Characteristics and Electrostatic Threshold Voltage Tuning of Accumulated Body MOSFETs
2022
Faruk Dirisaglik, A. B.M. Hasan Talukder, Ali Gokirmak, Brittany Smith, Helena Silva, Mustafa Akbulut
Research Type: Journal Article

https://dx.doi.org/10.1109/TED.2022.3184906
Calculation of the Energy Band Diagram and Estimation of Electronic Transport Parameters of Metastable Amorphous Ge2Sb2Te5
2022
Lhacene Adnane, Ali Gokirmak, Md Tashfiq Kashem, Faruk Dirisaglik, Helena Silva, Sadid Muneer
Research Type: Journal Article

Finite Element Modeling of Thermoelectric Effects in Phase Change Memory Cells
2022
Research Type: Journal Article

Phase-Change Logic via Thermal Cross-Talk for Computation in Memory
2021
Nadim Kanan, Ali Gokirmak, Helena Silva, Raihan Sayeed Khan, Zachary Woods
Research Type: Journal Article

Incorporation of GTR (generation--transport--recombination) in semiconductor simulations
2021
Sadid Muneer, Helena Silva, Gokhan Bakan, Ali Gokirmak
Research Type: Journal Article

Computational analysis of multi-contact phase change device for toggle logic operations
2021
Raihan Sayeed Khan, Ali Gokirmak, Nadim H. Kan&#39, an, Jake Scoggin, Helena Silva
Research Type: Journal Article

https://dx.doi.org/10.1016/j.mssp.2021.106042
Reset Variability in Phase Change Memory for Hardware Security Applications
2021
Helena Silva, Sadid Muneer, Nafisa Noor, Adam Cywar, Faruk Dirisaglik, Md Tashfiq Bin Kashem, L&#39, Hacene Adnane, Raihan Sayeed Khan, Anna Gorbenko, Jake Scoggin, Ali Gokirmak
Research Type: Journal Article

https://dx.doi.org/10.1109/TNANO.2020.3041400
Field dependent conductivity and threshold switching in amorphous chalcogenides—Modeling and simulations of ovonic threshold switches and phase change memory devices
2020
Research Type: Journal Article

Chemical segregation in Ge2Sb2Te5 thin films during in-situ heating
2020
Chanchal Ghosh, Paul Kotula, Manish Singh, Shalini Tripathi, Barry Carter, Helena Silva, Gokhan Bakan
Research Type: Journal Article

Direct Observation of Phase Transformations in Ge-Sb-Te Materials
2020
John Watt, Paul Kotula, Clive Barry Carter, Helena Silva, Manish Singh, Chanchal Ghosh
Research Type: Journal Article

Amorphized length and variability in phase-change memory line cells
2020
Raihan Sayeed Khan, Helena Silva, Nafisa Noor, Sadid Muneer, Anna Gorbenko
Research Type: Journal Article

Scaling of Multi-contact Phase Change Device for Toggle Logic Operations
2020
Ali Gokirmak, Raihan Sayeed Khan, Nadim H Kanan, Helena Silva, Jake Scoggin
Research Type: Journal Article

Defect Imaging and Structure Evolution in GST Films During In-situ Heating
2020
Chanchal Ghosh, Clive Barry Carter, Manish Singh, John Watt, Helena Silva
Research Type: Journal Article