Ab initio calculation of hafnium and zirconium melting curves via the Lindemann criterion

DV Minakov, MA Paramonov, GS Demyanov, VB Fokin… - Physical Review B, 2022 - APS
In this work we present the melting curves of hafnium and zirconium obtained using
quantum molecular dynamics calculations. The mean-square displacements computed …

Neural network force fields for simple metals and semiconductors: construction and application to the calculation of phonons and melting temperatures

MRG Marques, J Wolff, C Steigemann… - Physical Chemistry …, 2019 - pubs.rsc.org
We present a practical procedure to obtain reliable and unbiased neural network based
force fields for solids. Training and test sets are efficiently generated from global structural …

It's complicated: On relativistic effects and periodic trends in the melting and boiling points of the group 11 coinage metals

S Löffelsender, P Schwerdtfeger… - Journal of the …, 2021 - ACS Publications
While the color of metallic gold is a prominent and well-investigated example for the impact
of relativistic effects, much less is known regarding the influence on its melting and boiling …

Copernicium: a relativistic noble liquid

JM Mewes, OR Smits, G Kresse… - Angewandte Chemie …, 2019 - Wiley Online Library
The chemical nature and aggregate state of superheavy copernicium (Cn) have been
subject of speculation for many years. While strong relativistic effects render Cn chemically …

Influence of electronic entropy on Hellmann-Feynman forces in ab initio molecular dynamics with large temperature changes

M Geng, CE Mohn - Physical Review B, 2023 - APS
The Z method is a popular atomistic simulation method for determining the melting
temperature where a sequence of microcanonical molecular dynamics runs are carried out …

Atomistic simulations of pure tin based on a new modified embedded-atom method interatomic potential

WS Ko, DH Kim, YJ Kwon, MH Lee - Metals, 2018 - mdpi.com
A new interatomic potential for the pure tin (Sn) system is developed on the basis of the
second-nearest-neighbor modified embedded-atom-method formalism. The potential …

Discovering melting temperature prediction models of inorganic solids by combining supervised and unsupervised learning

V Gharakhanyan, LJ Wirth, JA Garrido Torres… - The Journal of …, 2024 - pubs.aip.org
The melting temperature is important for materials design because of its relationship with
thermal stability, synthesis, and processing conditions. Current empirical and computational …

Performance of the standard exchange-correlation functionals in predicting melting properties fully from first principles: Application to Al and magnetic Ni

LF Zhu, F Körmann, AV Ruban, J Neugebauer… - Physical Review B, 2020 - APS
We apply the efficient two-optimized references thermodynamic integration using Langevin
dynamics method [Phys. Rev. B 96, 224202 (2017) 2469-9950 10.1103/PhysRevB …

An insight into using DFT data for Calphad modeling of solid phases in the third generation of Calphad databases, a case study for Al

S Bigdeli, LF Zhu, A Glensk, B Grabowski, B Lindahl… - Calphad, 2019 - Elsevier
In developing the next generation of Calphad databases, new models are used in which
each term contributing to the Gibbs energy has a physical meaning. To continue the …

Ab initio construction of full phase diagram of MgO-CaO eutectic system using neural network interatomic potentials

K Lee, Y Park, S Han - Physical Review Materials, 2022 - APS
While several studies confirmed that machine-learned potentials (MLPs) can provide
accurate free energies for determining phase stabilities, the abilities of MLPs for efficiently …