Structure of disordered materials under ambient to extreme conditions revealed by synchrotron x-ray diffraction techniques at SPring-8—recent instrumentation and …

K Ohara, Y Onodera, M Murakami… - Journal of Physics …, 2021 - iopscience.iop.org
The structure of disordered materials is still not well understood because of insufficient
experimental data. Indeed, diffraction patterns from disordered materials are very broad and …

Beyond von‐Neumann computing with nanoscale phase‐change memory devices

CD Wright, P Hosseini… - Advanced Functional …, 2013 - Wiley Online Library
Historically, the application of phase‐change materials and devices has been limited to the
provision of non‐volatile memories. Recently, however, the potential has been …

Overview of the role of alloying modifiers on the performance of phase change memory materials

L Kang, L Chen - Journal of Electronic Materials, 2021 - Springer
Phase change memory (PCM) based on chalcogenide compounds is considered to be an
excellent candidate for next-generation memory because of its high speed, low energy …

Fast crystallization of the phase change compound GeTe by large-scale molecular dynamics simulations

GC Sosso, G Miceli, S Caravati, F Giberti… - The journal of …, 2013 - ACS Publications
Phase change materials are of great interest as active layers in rewritable optical disks and
novel electronic nonvolatile memories. These applications rest on a fast and reversible …

Origin, secret, and application of the ideal phase‐change material GeSbTe

N Yamada - physica status solidi (b), 2012 - Wiley Online Library
Discovery of the GeSbTe phase‐change alloy in particular along the GeTe–Sb2Te3 tie‐line
took place in the mid‐1980s. The amorphous alloys showed ideal properties, for example …

Atomic and electronic structures of an extremely fragile liquid

S Kohara, J Akola, L Patrikeev, M Ropo… - Nature …, 2014 - nature.com
The structure of high-temperature liquids is an important topic for understanding the fragility
of liquids. Here we report the structure of a high-temperature non-glass-forming oxide liquid …

Microscopic complexity in phase‐change materials and its role for applications

VL Deringer, R Dronskowski… - Advanced Functional …, 2015 - Wiley Online Library
Phase‐change materials (PCMs) are widely used for data storage and in other functional
devices. Despite their seemingly simple compositions, these materials exhibit intriguing …

[PDF][PDF] Time-resolved pair distribution function analysis of disordered materials on beamlines BL04B2 and BL08W at SPring-8

K Ohara, S Tominaka, H Yamada… - Journal of …, 2018 - journals.iucr.org
A dedicated apparatus has been developed for studying structural changes in amorphous
and disordered crystalline materials substantially in real time. The apparatus, which can be …

Distortion of local atomic structures in amorphous Ge-Sb-Te phase change materials

A Hirata, T Ichitsubo, PF Guan, T Fujita, MW Chen - Physical Review Letters, 2018 - APS
The local atomic structures of amorphous Ge-Sb-Te phase-change materials have yet to be
clarified and the rapid crystal-amorphous phase change resulting in distinct optical contrast …

Evolution of short-and medium-range order in the melt-quenching amorphization of Ge 2 Sb 2 Te 5

C Qiao, YR Guo, F Dong, JJ Wang, H Shen… - Journal of Materials …, 2018 - pubs.rsc.org
Phase-change memory takes advantage of the fast phase transition between amorphous
and crystalline phases of phase-change materials (eg, Ge2Sb2Te5 or GST). To date, while …