Phase change materials and their application to nonvolatile memories

S Raoux, W Wełnic, D Ielmini - Chemical reviews, 2010 - ACS Publications
Phase change materials are materials that exist in at least two structurally distinct solid
phases, an amorphous and one (or more) crystalline phases. Many materials display phase …

Design rules for phase‐change materials in data storage applications

D Lencer, M Salinga, M Wuttig - Advanced Materials, 2011 - Wiley Online Library
Phase‐change materials can rapidly and reversibly be switched between an amorphous
and a crystalline phase. Since both phases are characterized by very different optical and …

Neural network interatomic potential for the phase change material GeTe

GC Sosso, G Miceli, S Caravati, J Behler… - Physical Review B …, 2012 - APS
GeTe is a prototypical phase change material of high interest for applications in optical and
electronic nonvolatile memories. We present an interatomic potential for the bulk phases of …

Tailoring the phase transition temperature to achieve high-performance cubic GeTe-based thermoelectrics

A Suwardi, J Cao, L Hu, F Wei, J Wu, Y Zhao… - Journal of Materials …, 2020 - pubs.rsc.org
GeTe is highly sought-after due to its versatility as a high-performance thermoelectric
material and phase change material, as well as a ferroelectric Rashba semiconductor …

Electronic structure of intrinsic defects in crystalline germanium telluride

AH Edwards, AC Pineda, PA Schultz, MG Martin… - Physical Review B …, 2006 - APS
Germanium telluride undergoes rapid transition between polycrystalline and amorphous
states under either optical or electrical excitation. While the crystalline phases are predicted …

Pressure-induced reversal of Peierls-like distortions elicits the polyamorphic transition in GeTe and GeSe

T Fujita, Y Chen, Y Kono, S Takahashi, H Kasai… - Nature …, 2023 - nature.com
While polymorphism is prevalent in crystalline solids, polyamorphism draws increasing
interest in various types of amorphous solids. Recent studies suggested that supercooling of …

Scaling and confinement in ultrathin chalcogenide films as exemplified by gete

P Kerres, Y Zhou, H Vaishnav, M Raghuwanshi… - Small, 2022 - Wiley Online Library
Abstract Chalcogenides such as GeTe, PbTe, Sb2Te3, and Bi2Se3 are characterized by an
unconventional combination of properties enabling a plethora of applications ranging from …

The interplay between Peierls distortions and metavalent bonding in IV–VI compounds: comparing GeTe with related monochalcogenides

JY Raty, M Wuttig - Journal of Physics D: Applied Physics, 2020 - iopscience.iop.org
In this article, we revisit bonding in crystalline GeTe, a simple binary alloy that is also a
popular phase change material, and use an ab initio approach that goes beyond the usual …

Realizing zT values of 2.0 in cubic GeTe

J Cao, SW Chien, XY Tan, CKI Tan, Q Zhu… - …, 2021 - Wiley Online Library
Over the past two years, GeTe has quickly cemented its place as the best performing
thermoelectric material at a medium temperature range. The key factors behind the …

Phase transition in crystalline GeTe: Pitfalls of averaging effects

P Fons, AV Kolobov, M Krbal, J Tominaga… - Physical Review B …, 2010 - APS
For the case example of GeTe, we demonstrate that the use of techniques that probe the
average structure may lead to misleading conclusions regarding the nature of phase …