Chalcogenide thermoelectrics empowered by an unconventional bonding mechanism

Y Yu, M Cagnoni, O Cojocaru‐Mirédin… - Advanced Functional …, 2020 - Wiley Online Library
Thermoelectric materials have attracted significant research interest in recent decades due
to their promising application potential in interconverting heat and electricity. Unfortunately …

A bright future for engineering piezoelectric 2D crystals

PC Sherrell, M Fronzi, NA Shepelin… - Chemical Society …, 2022 - pubs.rsc.org
The piezoelectric effect, mechanical-to-electrical and electrical-to-mechanical energy
conversion, is highly beneficial for functional and responsive electronic devices. To fully …

Electric control of the giant Rashba effect in bulk GeTe.

D Di Sante, P Barone, R Bertacco… - … (Deerfield Beach, Fla.), 2012 - europepmc.org
Relativistic effects, including the Rashba effect, are increasingly seen as key ingredients in
spintronics. A link between Rashba physics and the field of ferroelectrics is established by …

Aging mechanisms in amorphous phase-change materials

JY Raty, W Zhang, J Luckas, C Chen… - Nature …, 2015 - nature.com
Aging is a ubiquitous phenomenon in glasses. In the case of phase-change materials, it
leads to a drift in the electrical resistance, which hinders the development of ultrahigh …

Germanium chalcogenide thermoelectrics: electronic structure modulation and low lattice thermal conductivity

S Roychowdhury, M Samanta, S Perumal… - Chemistry of …, 2018 - ACS Publications
Thermoelectric materials can convert untapped heat to electricity and are expected to have
an important role in future energy utilization. IV–VI metal chalcogenides are the most …

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 …

Ferroelectric Rashba semiconductors as a novel class of multifunctional materials

S Picozzi - Frontiers in Physics, 2014 - frontiersin.org
The discovery of novel properties, effects or microscopic mechanisms in modern materials
science is often driven by the quest for combining, into a single compound, several …

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 …

Ab initio study of mechanical and thermal properties of GeTe-based and PbSe-based high-entropy chalcogenides

S Hasan, P Adhikari, S San, WY Ching - Scientific Reports, 2023 - nature.com
GeTe-based and PbSe-based high-entropy compounds have outstanding thermoelectric
(TE) performance and crucial applications in mid and high temperatures. Recently, the …

Soft-phonon mediated structural phase transition in GeTe

UD Wdowik, K Parlinski, S Rols, T Chatterji - Physical Review B, 2014 - APS
Inelastic neutron scattering experiments on powder samples of GeTe together with density
functional theory investigations of the phonon dynamics in the low-and high-temperature …