Crystallization of Ge-Rich GeSbTe alloys: The riddle is solved

E Rahier, S Ran, N Ratel Ramond, S Ma… - ACS Applied …, 2022 - ACS Publications
Among the phase-change materials, Ge-rich GeSbTe (GST) alloys are of considerable
interest as they offer a much higher thermal stability than their congruent contenders, a …

Crystallization and electrical properties of ge-rich GeSbTe alloys

S Cecchi, I Lopez Garcia, AM Mio, E Zallo… - Nanomaterials, 2022 - mdpi.com
Enrichment of GeSbTe alloys with germanium has been proposed as a valid approach to
increase the crystallization temperature and therefore to address high-temperature …

Impact of the local atomic structure on the thermal conductivity of amorphous Ge2Sb2Te5

M Guerboub, SD Wansi Wendji, C Massobrio… - The Journal of …, 2023 - pubs.aip.org
Thermal properties are expected to be sensitive to the network topology, and however, no
clearcut information is available on how the thermal conductivity of amorphous systems is …

High-throughput calculations on the decomposition reactions of off-stoichiometry GeSbTe alloys for embedded memories

O Abou El Kheir, M Bernasconi - Nanomaterials, 2021 - mdpi.com
Chalcogenide GeSbTe (GST) alloys are exploited as phase change materials in a variety of
applications ranging from electronic non-volatile memories to neuromorphic and photonic …

Multistep Crystallization of Ge‐Rich GST Unveiled by In Situ synchrotron X‐ray diffraction and (scanning) transmission electron microscopy

E Rahier, MA Luong, S Ran… - physica status solidi …, 2023 - Wiley Online Library
Among many phase change materials, Ge‐rich GeSbTe (GST) alloys are of considerable
interest due to their high thermal stability, a specification required for the next generation of …

Growth, electronic and electrical characterization of ge-rich ge–sb–te alloy

A Díaz Fattorini, C Chèze, I López García, C Petrucci… - Nanomaterials, 2022 - mdpi.com
In this study, we deposit a Ge-rich Ge–Sb–Te alloy by physical vapor deposition (PVD) in the
amorphous phase on silicon substrates. We study in-situ, by X-ray and ultraviolet …

Interface Formation during the Growth of Phase Change Material Heterostructures Based on Ge-Rich Ge-Sb-Te Alloys

C Chèze, F Righi Riva, G Di Bella, E Placidi, S Prili… - Nanomaterials, 2022 - mdpi.com
In this study, we present a full characterization of the electronic properties of phase change
material (PCM) double-layered heterostructures deposited on silicon substrates. Thin films …

Significant four-phonon scattering and its heat transfer implications in crystalline

K Ghosh, A Kusiak, JL Battaglia - Physical Review B, 2023 - APS
We systematically demonstrate the temperature-dependent thermal transport properties in
crystalline Ge 2 Sb 2 Te 5 via first-principles density functional theory informed linearized …

Phase Separation in Ge-Rich GeSbTe at Different Length Scales: Melt-Quenched Bulk versus Annealed Thin Films

DT Yimam, AJT Van Der Ree, O Abou El Kheir… - Nanomaterials, 2022 - mdpi.com
Integration of the prototypical GeSbTe (GST) ternary alloys, especially on the GeTe-Sb2Te3
tie-line, into non-volatile memory and nanophotonic devices is a relatively mature field of …

[PDF][PDF] High-Throughput Calculations on the Decomposition Reactions of Off-Stoichiometry GeSbTe Alloys for Embedded Memories. Nanomaterials 2021, 11, 2382

O Abou El Kheir, M Bernasconi - Synthesis, Properties and Applications …, 2021 - mdpi.com
High-Throughput Calculations on the Decomposition Reactions of Off-Stoichiometry GeSbTe
Alloys for Embedded Memories. Nanomaterials 2021, 11, 2382 Page 102 nanomaterials Article …