Device-scale atomistic modelling of phase-change memory materials
Computer simulations can play a central role in the understanding of phase-change
materials and the development of advanced memory technologies. However, direct quantum …
materials and the development of advanced memory technologies. However, direct quantum …
Non-volatile tunable optics by design: from chalcogenide phase-change materials to device structures
D Wang, L Zhao, S Yu, X Shen, JJ Wang, C Hu… - Materials Today, 2023 - Elsevier
Integration of chalcogenide phase-change materials (PCMs) with planar multilayer
structures, metasurfaces, waveguides and photonic integrated circuits has sparked …
structures, metasurfaces, waveguides and photonic integrated circuits has sparked …
Amorphous solid dispersions: Stability mechanism, design strategy and key production technique of hot melt extrusion
J Han, M Tang, Y Yang, W Sun, Z Yue, Y Zhang… - International Journal of …, 2023 - Elsevier
Solid dispersion (SD) system has been used as an effective formulation strategy to increase
in vitro and in vivo performances of poorly water-soluble drugs, such as …
in vitro and in vivo performances of poorly water-soluble drugs, such as …
Unravelling the amorphous structure and crystallization mechanism of GeTe phase change memory materials
The reversible phase transitions in phase-change memory devices can switch on the order
of nanoseconds, suggesting a close structural resemblance between the amorphous and …
of nanoseconds, suggesting a close structural resemblance between the amorphous and …
Unraveling Crystallization Mechanisms and Electronic Structure of Phase‐Change Materials by Large‐Scale Ab Initio Simulations
Abstract Ge–Sb–Te (“GST”) alloys are leading phase‐change materials for digital memories
and neuro‐inspired computing. Upon fast crystallization, these materials form rocksalt‐like …
and neuro‐inspired computing. Upon fast crystallization, these materials form rocksalt‐like …
Toward the Speed Limit of Phase‐Change Memory
J Shen, W Song, K Ren, Z Song, P Zhou… - Advanced …, 2023 - Wiley Online Library
Phase‐change memory (PCM) is one of the most promising candidates for next‐generation
data‐storage technology, the programming speed of which has enhanced within a timescale …
data‐storage technology, the programming speed of which has enhanced within a timescale …
Highly tunable β-relaxation enables the tailoring of crystallization in phase-change materials
Y Cheng, Q Yang, J Wang, T Dimitriadis… - Nature …, 2022 - nature.com
Abstract In glasses, secondary (β-) relaxations are the predominant source of atomic
dynamics. Recently, they have been discovered in covalently bonded glasses, ie …
dynamics. Recently, they have been discovered in covalently bonded glasses, ie …
Grain boundary sliding and distortion on a nanosecond timescale induce trap states in CsPbBr 3: ab initio investigation with machine learning force field
Grain boundaries (GBs) in perovskite solar cells and optoelectronic devices are widely
regarded as detrimental defects that accelerate charge and energy losses through …
regarded as detrimental defects that accelerate charge and energy losses through …
Unraveling the crystallization kinetics of the Ge2Sb2Te5 phase change compound with a machine-learned interatomic potential
The phase change compound Ge2Sb2Te5 (GST225) is exploited in advanced non-volatile
electronic memories and in neuromorphic devices which both rely on a fast and reversible …
electronic memories and in neuromorphic devices which both rely on a fast and reversible …
Pressure-induced reversal of Peierls-like distortions elicits the polyamorphic transition in GeTe and GeSe
While polymorphism is prevalent in crystalline solids, polyamorphism draws increasing
interest in various types of amorphous solids. Recent studies suggested that supercooling of …
interest in various types of amorphous solids. Recent studies suggested that supercooling of …