[HTML][HTML] Unveiling the structural origin to control resistance drift in phase-change memory materials

W Zhang, E Ma - Materials Today, 2020‏ - Elsevier
The global demand for data storage and processing is increasing exponentially. To deal
with this challenge, massive efforts have been devoted to the development of advanced …

Reversible Crystalline‐Crystalline Transitions in Chalcogenide Phase‐Change Materials

B Liu, K Li, J Zhou, Z Sun - Advanced Functional Materials, 2024‏ - Wiley Online Library
Phase‐change random access memory (PCRAM) is one of the most technologically mature
candidates for next‐generation non‐volatile memory and is currently at the forefront of …

Diffusion-assisted displacive transformation in Yttrium-doped Sb2Te3 phase change materials

K Li, B Liu, J Zhou, SR Elliott, Z Sun - Acta Materialia, 2023‏ - Elsevier
Phase transformations between cubic and rhombohedral states of phase-change
chalcogenide materials have been considered to result in small resistance drift, fast …

Chemical understanding of resistance drift suppression in Ge–Sn–Te phase-change memory materials

Y Chen, L Sun, Y Zhou, GM Zewdie… - Journal of Materials …, 2020‏ - pubs.rsc.org
The resistance drift phenomenon observed in amorphous chalcogenide phase-change
materials (PCMs) hinders the development of PCM-based neuro-inspired computing …

Optical excitation-induced ultrafast amorphization in the Y-Sb-Te alloy system: insights from real-time time-dependent DFT with molecular dynamics calculations

L Chen, A Cui, M Li, S Li, S Gong, K Jiang, J Zhang… - Physical Review B, 2022‏ - APS
In general, shortening the laser pulse width can suppress thermal dissipation to allow for
sub-picosecond phase change during amorphization, yet there is no consistent evidence for …

Role of microscopic coherent force and hot-carrier cooling in photoinduced phase transition for chalcogenide phase-change materials

L Chen, L Chen, H Chen, Y Li, L Shang, L Zhu, J Zhang… - Physical Review B, 2024‏ - APS
The nonequilibrium ultrafast carrier dynamics of the photoinduced phase transition in
chalcogenide phase-change material (rocksalt Ge-Sb-Te) has been investigated via real …