Phase-change materials for non-volatile memory devices: from technological challenges to materials science issues
Chalcogenide phase-change materials (PCMs), such as Ge-Sb-Te alloys, have shown
outstanding properties, which has led to their successful use for a long time in optical …
outstanding properties, which has led to their successful use for a long time in optical …
Enabling active nanotechnologies by phase transition: from electronics, photonics to thermotics
Phase transitions can occur in certain materials such as transition metal oxides (TMOs) and
chalcogenides when there is a change in external conditions such as temperature and …
chalcogenides when there is a change in external conditions such as temperature and …
Monatomic Sb thin films alloyed with Sb2S3 enables superior thermal stability and resistance drift by spontaneous self-decomposition
Monatomic Sb thin films can eliminate the risks of compositional partitioning, but it normally
crystallizes instantly and fails to maintain amorphous state at room temperature. Here, we …
crystallizes instantly and fails to maintain amorphous state at room temperature. Here, we …
[HTML][HTML] Heterogeneously structured phase-change materials and memory
Phase-change memory (PCM), a non-volatile memory technology, is considered the most
promising candidate for storage class memory and neuro-inspired devices. It is generally …
promising candidate for storage class memory and neuro-inspired devices. It is generally …
Multilevel resistance state tuned by change in crystallization mode of superlattice-like Sb/Si3N4 films
Y Wu, L Cai, L Miao, Z Wang, Y Lu - Materials Research Bulletin, 2023 - Elsevier
Phase change materials (PCMs) have been attracting increasing interest in computer
bionics and artificial intelligence neuron systems. However, the influence of interface …
bionics and artificial intelligence neuron systems. However, the influence of interface …
Designing multiple crystallization in superlattice-like phase-change materials for multilevel phase-change memory
L Zheng, W Song, Z Song, S Song - ACS applied materials & …, 2019 - ACS Publications
A multilevel phase-change memory device was successfully designed, which was fabricated
using a Ge40Te60/Cr superlattice-like (SLL) structure. In the SLL films, a two-step phase …
using a Ge40Te60/Cr superlattice-like (SLL) structure. In the SLL films, a two-step phase …
Material functionalities from molecular rigidity: Maxwell's modern legacy
M Micoulaut, Y Yue - Mrs Bulletin, 2017 - cambridge.org
We provide an overview of the field of rigidity theory applied at the atomic scale. This
theoretical approach, initially designed for macroscopic structures such as bridges or …
theoretical approach, initially designed for macroscopic structures such as bridges or …
Understanding phase-change materials with unexpectedly low resistance drift for phase-change memories
C Li, C Hu, J Wang, X Yu, Z Yang, J Liu, Y Li… - Journal of Materials …, 2018 - pubs.rsc.org
There is an increasing demand for high-density memories with high stability for
supercomputers in this big data era. Traditional dynamic random access memory cannot …
supercomputers in this big data era. Traditional dynamic random access memory cannot …
Obtaining glasses in the extremely crystallizing Ge–Sb–Te phase change material
A Piarristeguy, M Micoulaut, R Escalier, G Silly… - Journal of Non …, 2021 - Elsevier
Using thermal co-evaporation techniques, we show that various glassy compositions can be
obtained along the Ge x Sb x Te 100-2x join in the ternary Ge–Sb–Te system which is …
obtained along the Ge x Sb x Te 100-2x join in the ternary Ge–Sb–Te system which is …
Search for a possible flexible-to-rigid transition in models of phase change materials
M Micoulaut, H Flores-Ruiz - Physical Review B, 2021 - APS
Structural models of the prototypal phase change material Ge-Sb-Te are generated from first-
principles molecular dynamics simulations with a particular attention to the Ge x Sb x Te …
principles molecular dynamics simulations with a particular attention to the Ge x Sb x Te …