A review of germanium-antimony-telluride phase change materials for non-volatile memories and optical modulators

P Guo, AM Sarangan, I Agha - Applied sciences, 2019 - mdpi.com
Chalcogenide phase change materials based on germanium-antimony-tellurides (GST-
PCMs) have shown outstanding properties in non-volatile memory (NVM) technologies due …

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 …

Unravelling the amorphous structure and crystallization mechanism of GeTe phase change memory materials

S Wintersteller, O Yarema, D Kumaar… - Nature …, 2024 - nature.com
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 …

Raman scattering study of the a-GeTe structure and possible mechanism for the amorphous to crystal transition

KS Andrikopoulos, SN Yannopoulos… - Journal of physics …, 2006 - iopscience.iop.org
We report on an inelastic (Raman) light scattering study of the local structure of amorphous
GeTe (a-GeTe) films. A detailed analysis of the temperature-reduced Raman spectra has …

[HTML][HTML] Reversible switching in phase-change materials

W Wełnic, M Wuttig - materials today, 2008 - Elsevier
Phase-change materials are successfully employed in optical data storage and are
becoming a promising candidate for future electronic storage applications. Despite the …

Origin of the optical contrast in phase-change materials

W Wełnic, S Botti, L Reining, M Wuttig - Physical review letters, 2007 - APS
Several chalcogenide alloys exhibit a pronounced contrast between the optical absorption
in the metastable rocksalt and in the amorphous phase. This phenomenon is the basis for …

Binary alloys of Ge and Te: order, voids, and the eutectic composition

J Akola, RO Jones - Physical review letters, 2008 - APS
The liquid and amorphous structures of Ge 0.15 Te 0.85 and GeTe alloys are characterized
using combined density functional/molecular dynamics simulations. Te is threefold …

Carbon-doped GeTe: a promising material for phase-change memories

GB Beneventi, L Perniola, V Sousa, E Gourvest… - Solid-State …, 2011 - Elsevier
This paper investigates Carbon-doped GeTe (GeTeC) as novel material for Phase-Change
Memories (PCM). In the first part of the manuscript, a study of GeTeC blanket layers is …

A review on GeTe thin film-based phase-change materials

K Singh, S Kumari, H Singh, N Bala, P Singh… - Applied …, 2023 - Springer
Germanium telluride (GeTe) is a phase-change material (PCM) from chalcogenide family,
which undergoes reversible transition between amorphous and crystalline phase when …

Void formation induced electrical switching in phase-change nanowires

S Meister, DT Schoen, MA Topinka, AM Minor… - Nano letters, 2008 - ACS Publications
Solid-state structural transformation coupled with an electronic property change is an
important mechanism for nonvolatile information storage technologies, such as phase …