Modeling Reset, Set, and Read Operations in Nanoscale Ge2Sb2Te5 Phase‐Change Memory Devices Using Electric Field‐ and Temperature‐Dependent Material …

MTB Kashem, J Scoggin, Z Woods… - physica status solidi …, 2023‏ - Wiley Online Library
Herein, a finite element simulation framework for phase‐change memory devices that
simultaneously solves for current continuity, electrothermal heating, and crystallization …

Growth dominated crystallization of GeTe mushroom cells during partial SET operation

Y Yu, M Skowronski - Journal of Applied Physics, 2023‏ - pubs.aip.org
Phase change memory devices are a leading candidate for non-volatile memory arrays, as
artificial synapses in neuromorphic circuits, and for in-memory computing. These …

[HTML][HTML] Field dependent conductivity and threshold switching in amorphous chalcogenides—Modeling and simulations of ovonic threshold switches and phase …

J Scoggin, H Silva, A Gokirmak - Journal of Applied Physics, 2020‏ - pubs.aip.org
We model electrical conductivity in metastable amorphous Ge 2 Sb 2 Te 5 (GST) using
independent contributions from temperature and electric field to simulate phase change …

Modeling Filamentary Conduction in Reset Phase Change Memory Devices

MSB Hafiz, H Silva, A Gokirmak - arxiv preprint arxiv:2502.00866, 2025‏ - arxiv.org
We performed a computational analysis on percolation transport and filament formation in
amorphous $ Ge_2Sb_2Te_5 $(a-GST) using 2D finite-element multi-physics simulations …

Cellular automata dynamics of nonlinear optical processes in a phase-change material

L Zhang, RF Waters, KF MacDonald… - Applied Physics …, 2021‏ - pubs.aip.org
Changes in the arrangement of atoms in matter, known as structural phase transitions or
phase changes, offer a remarkable range of opportunities in photonics. They are exploited in …

Phase‐Change Logic via Thermal Cross‐Talk for Computation in Memory

N Kanan, RS Khan, Z Woods, H Silva… - physica status solidi …, 2021‏ - Wiley Online Library
Herein, logic function implementations are computationally demonstrated using lateral and
vertical multicontact phase‐change devices integrated with complementary metal–oxide …

(Digital Presentation) Finite Element Modeling of Thermoelectric Effects in Phase Change Memory Cells

MTB Kashem, J Scoggin, H Silva… - ECS Transactions, 2022‏ - iopscience.iop.org
We model the current density in a semiconductor based on the driftdiffusion transport of the
charge carriers to accurately determine the thermoelectric effects in the bulk material …

Impact of solid-liquid interfacial thermodynamics on the phase change memory RESET process

MJ Lewis - 2024‏ - search.proquest.com
A model of the RESET melting process in conventional phase-change memory (PCM)
devices is constructed in which the Gibbs-Thomson effect, representing local equilibrium at …

[HTML][HTML] Design for Ultrahigh-Density Vertical Phase Change Memory: Proposal and Numerical Investigation

XQ Lei, JH Zhu, DW Wang, WS Zhao - Electronics, 2022‏ - mdpi.com
The integration level is a significant index that can be used to characterize the performance
of non-volatile memory devices. This paper proposes innovative design schemes for high …

Finite Element Analysis of GeTe/Ge2Sb2Te5 Interfacial Phase Change Memory Devices

MTB Kashem, J Scoggin, H Silva… - 2022 20th Non-Volatile …, 2022‏ - ieeexplore.ieee.org
High switching current and energy are major challenges yet to be overcome effectively in
phase change memory for large scale industry-level production. Superlattice based …