Superionic iron alloys and their seismic velocities in Earth's inner core

Y He, S Sun, DY Kim, BG Jang, H Li, H Mao - Nature, 2022 - nature.com
Earth's inner core (IC) is less dense than pure iron, indicating the existence of light elements
within it. Silicon, sulfur, carbon, oxygen and hydrogen have been suggested to be the …

Novel mechanocaloric materials for solid-state cooling applications

C Cazorla - Applied Physics Reviews, 2019 - pubs.aip.org
Current refrigeration technologies based on compression cycles of greenhouse gases are
environmentally threatening and cannot be scaled down to on-chip dimensions. Solid-state …

Non-collinear magnetic atomic cluster expansion for iron

M Rinaldi, M Mrovec, A Bochkarev… - npj Computational …, 2024 - nature.com
Abstract The Atomic Cluster Expansion (ACE) provides a formally complete basis for the
local atomic environment. ACE is not limited to representing energies as a function of atomic …

A New Superionic Plastic Polymorph of the Na+ Conductor Na3PS4

T Famprikis, JA Dawson, F Fauth, O Clemens… - ACS Materials …, 2019 - ACS Publications
Na3PS4 is one of the most promising Na+ conductors, relevant for applications that can
leverage its high ionic conductivity, such as solid-state batteries. Currently, two crystalline …

Free energy predictions for crystal stability and synthesisability

K Tolborg, J Klarbring, AM Ganose, A Walsh - Digital Discovery, 2022 - pubs.rsc.org
What is the likelihood that a hypothetical material—the combination of a composition and
crystal structure—can be formed? Underpinning the reliability of predictions for local or …

Influence of lattice dynamics on lithium-ion conductivity: A first-principles study

AK Sagotra, D Chu, C Cazorla - Physical Review Materials, 2019 - APS
In the context of novel solid electrolytes for solid-state batteries, first-principles calculations
are becoming increasingly more popular due to their ability to reproduce and predict …

Elastic properties of body-centered cubic iron in Earth's inner core

AB Belonoshko, SI Simak, W Olovsson, OY Vekilova - Physical Review B, 2022 - APS
The solid Earth's inner core (IC) is a sphere with a radius of about 1300 km in the center of
the Earth. The information about the IC comes mainly from seismic studies. The composition …

Competing Phases of Iron at Earth's Core Conditions From Deep‐Learning‐Aided ab‐initio Simulations

Z Li, S Scandolo - Geophysical Research Letters, 2024 - Wiley Online Library
The properties and relative stability of different structures of iron at the extreme conditions of
pressure and temperature of relevance for the Earth's core were determined with ab‐initio …

Solids that are also liquids: elastic tensors of superionic materials

G Materzanini, T Chiarotti, N Marzari - npj Computational Materials, 2023 - nature.com
Superionics are fascinating materials displaying both solid-and liquid-like characteristics: as
solids, they respond elastically to shear stress; as liquids, they display fast-ion diffusion at …

Phase stability of Fe from first principles: Atomistic spin dynamics coupled with ab initio molecular dynamics simulations and thermodynamic integration

D Gambino, J Klarbring, B Alling - Physical Review B, 2023 - APS
The calculation of free energies from first principles enables the prediction of phase stability
of materials with high accuracy; these calculations are complicated in magnetic materials by …