Helena Silva
Professor/Electrical and Computer Engr

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Scholarly Contributions

333 Scholarly Contributions

122
Journal Articles
111
Conference Proceedings
61
Other Scholarly Works
29
Poster/Presentations
6
Book Chapters
3
Books
1
Patent and Intellectual Property
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

Enhancing Programming Variability in Multi-Bit Phase Change Memory Cells for Security
2020
Nafisa Noor, Anna Gorbenko, Raihan Sayeed Khan, Sadid Muneer, Helena Silva
Research Type: Journal Article

Role of Oxygen on Chemical Segregation in Uncapped Ge2Sb2Te5 Thin Films on Silicon Nitride
2020
Gokhan Bakan, Chanchal Ghosh, Helena Silva, Paul Kotula, Clive Barry Carter, Shalini Tripathi, Manish Kumar Singh
Research Type: Journal Article

Modeling of void formation in phase change memory devices
2020
Helena Silva, Matt BrightSky, Adam Cywar, Sang Bum Kim, Norma Sosa, Chung Lam, Hyeong Soo Kim, Zachary Woods, Ali Gokirmak, Yu Zhu, Hyung Keun Kim
Research Type: Journal Article

In situ TEM study of crystallization and chemical changes in an oxidized uncapped Ge2Sb2Te5 film
2020
Helena Silva, Shalini Tripathi, Chanchal Ghosh, Gokhan Bakan, Paul G Kotula, Clive Barry Carter, John Watt, Manish Kumar Singh, Benjamin Miller
Research Type: Journal Article

Reset variability in phase change memory for hardware security applications
2020
Sadid Muneer, Faruk Dirisaglik, Lhacene Adnane, Raihan Sayeed Khan, Anna Gorbenko, Md Tashfiq Bin Kashem, Adam Cywar, Ali Gokirmak, Nafisa Noor, Jake Scoggin
Research Type: Journal Article

In situ TEM study of crystallization and chemical changes in an oxidized uncapped Ge2Sb2Te5film
2020
Paul G. Kotula, John Watt, Manish Kumar Singh, Gokhan Bakan, Benjamin Miller, Helena Silva, Shalini Tripathi, C. Barry Carter, Chanchal Ghosh
Research Type: Journal Article

https://dx.doi.org/10.1063/5.0023761
Resistance drift in Ge2Sb2Te5 phase change memory line cells at low temperatures and its response to photoexcitation
2020
Ali Gokirmak, FARUK Dirisaglik, Helena Silva, Raihan Sayeed Khan
Research Type: Journal Article

Accelerating and Stopping Resistance Drift in Phase Change Memory Cells via High Electric Field Stress
2020
Helena Silva, ABM Hasan Talukder, Faruk Dirisaglik, Raihan Sayeed Khan, Ali Gokirmak
Research Type: Other Scholarly Work

Resistance drift of metastable amorphous and crystalline fcc GeSbTe memory devices
2019
Nafisa Noor, Clive Barry Carter, Helena Silva, Shalini Tripathi
Research Type: Journal Article

Thermal transport and thermoelectric effects at solid-melt interfaces in semiconductors: Underlying physical phenomena that give rise to Thomson heat in semiconductors
2019
Ali Gokirmak, Helena Silva, Gokhan Bakan, Nathan Henry, Sadid Muneer
Research Type: Journal Article

Modeling heterogeneous melting in phase change memory devices
2019
Helena Silva, Ali Gokirmak, Zachary Woods, Jake Scoggin
Research Type: Journal Article

Low Temperature Characterization of Resistance Drift in Amorphous Ge2Sb2Te5
2019
Ali Gokirmak, Raihan Khan, Helena Silva
Research Type: Poster/Presentation

Low Temperature Resistance Drift in Ge2Sb2Te5 and Contribution of Charge Traps
2019
Ali Gokirmak, Helena Silva
Research Type: Poster/Presentation

Thermoelectricity at Nanometer Scale & Phase Change Memory
2019
Helena Silva, Ali Gokirmak
Research Type: Poster/Presentation

Plasma-enhanced atomic layer deposition of vanadium dioxide (VO2) using TEMAV and oxygen plasma
2019
Necmi Biyikli, Saidjafarzoda Ilhom, Adnan Mohammad, Deepa Shukla, Helena Silva
Research Type: Poster/Presentation

Effect of Optical Illumination on Resistance Drift in Ge2Sb2Te5 Line Cells
2019
Helena Silva, Raihan Khan, Ali Gokirmak
Research Type: Poster/Presentation