Chalcogenide thermoelectrics empowered by an unconventional bonding mechanism
Thermoelectric materials have attracted significant research interest in recent decades due
to their promising application potential in interconverting heat and electricity. Unfortunately …
to their promising application potential in interconverting heat and electricity. Unfortunately …
A bright future for engineering piezoelectric 2D crystals
The piezoelectric effect, mechanical-to-electrical and electrical-to-mechanical energy
conversion, is highly beneficial for functional and responsive electronic devices. To fully …
conversion, is highly beneficial for functional and responsive electronic devices. To fully …
Electric control of the giant Rashba effect in bulk GeTe.
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 …
spintronics. A link between Rashba physics and the field of ferroelectrics is established by …
Aging mechanisms in amorphous phase-change materials
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 …
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
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 …
an important role in future energy utilization. IV–VI metal chalcogenides are the most …
Neural network interatomic potential for the phase change material GeTe
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 …
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 …
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
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 …
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
GeTe-based and PbSe-based high-entropy compounds have outstanding thermoelectric
(TE) performance and crucial applications in mid and high temperatures. Recently, the …
(TE) performance and crucial applications in mid and high temperatures. Recently, the …
Soft-phonon mediated structural phase transition in GeTe
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 …
functional theory investigations of the phonon dynamics in the low-and high-temperature …