Machine learning force fields: construction, validation, and outlook

V Botu, R Batra, J Chapman… - The Journal of Physical …, 2017 - ACS Publications
Force fields developed with machine learning methods in tandem with quantum mechanics
are beginning to find merit, given their (i) low cost,(ii) accuracy, and (iii) versatility. Recently …

Enhanced strength and temperature dependence of mechanical properties of Li at small scales and its implications for Li metal anodes

C Xu, Z Ahmad, A Aryanfar… - Proceedings of the …, 2017 - National Acad Sciences
Most next-generation Li ion battery chemistries require a functioning lithium metal (Li)
anode. However, its application in secondary batteries has been inhibited because of …

Room temperature elastic moduli and Vickers hardness of hot-pressed LLZO cubic garnet

JE Ni, ED Case, JS Sakamoto, E Rangasamy… - Journal of Materials …, 2012 - Springer
Abstract Cubic garnet Li 6.24 La 3 Zr 2 Al 0.24 O 11.98 (LLZO) is a candidate material for
use as an electrolyte in Li–Air and Li–S batteries. The use of LLZO in practical devices will …

High-accuracy thermodynamic properties to the melting point from ab initio calculations aided by machine-learning potentials

JH Jung, P Srinivasan, A Forslund… - npj Computational …, 2023 - nature.com
Accurate prediction of thermodynamic properties requires an extremely accurate
representation of the free-energy surface. Requirements are twofold—first, the inclusion of …

[HTML][HTML] Strain-stabilized Al-containing high-entropy sublattice nitrides

A Kretschmer, D Holec, K Yalamanchili, H Rudigier… - Acta materialia, 2022 - Elsevier
The impact of configurational entropy, enthalpy, and strain energy on the phase stability of
high-entropy materials has not yet been investigated quantitatively. We used ab-initio …

Quasi-harmonic temperature dependent elastic constants: applications to silicon, aluminum, and silver

C Malica, A Dal Corso - Journal of Physics: Condensed Matter, 2020 - iopscience.iop.org
We present ab-initio calculations of the quasi-harmonic temperature dependent elastic
constants. The isothermal elastic constants are calculated at each temperature as second …

Ab initio quasi-harmonic thermoelasticity of molybdenum at high temperature and pressure

X Gong, A Dal Corso - The Journal of Chemical Physics, 2024 - pubs.aip.org
We present the ab initio thermoelastic properties of body-centered cubic molybdenum under
extreme conditions obtained within the quasi-harmonic approximation including both the …

Angular-dependent interatomic potential for large-scale atomistic simulation of W-Mo-Nb ternary alloys

S Starikov, P Grigorev, PAT Olsson - Computational Materials Science, 2024 - Elsevier
We present a new classical interatomic potential designed for simulation of the W-Mo-Nb
system. The angular-dependent format of the potential allows for reproduction of many …

Generalized quasiharmonic approximation via space group irreducible derivatives

MA Mathis, A Khanolkar, L Fu, MS Bryan, CA Dennett… - Physical Review B, 2022 - APS
The quasiharmonic approximation (QHA) is the simplest nontrivial approximation for
interacting phonons under constant pressure, bringing the effects of anharmonicity into …

Elastemp—A workflow to compute the quasi-harmonic temperature dependent elastic constants of materials

K Balasubramanian, S Manna… - Computational Materials …, 2023 - Elsevier
Elastic constants characterize the stiffness of a material. A linear relationship between the
stress and strain tensors in the limit of infinitesimal deformation is used to define and …