Recent progress in phase stability and elastic anomalies of group VB transition metals

Y Wang, H Wu, Y Liu, H Wang, X Chen, H Geng - Crystals, 2022 - mdpi.com
Recently discovered phase transition and elastic anomaly of compression-induced softening
and heating-induced hardening (CISHIH) in group VB transition metals at high-pressure and …

Lattice dynamics and elastic properties of α-U at high-temperature and high-pressure by machine learning potential simulations

H Wang, XL Pan, YF Wang, XR Chen, YX Wang… - Journal of Nuclear …, 2022 - Elsevier
Studying the physical properties of materials under high pressure and temperature through
experiments is difficult. Theoretical simulations can compensate for this deficiency …

Ab initio investigation of the lattice dynamics and thermophysical properties of BCC vanadium and niobium

P Pandey, SK Pandey - Journal of Physics: Condensed Matter, 2024 - iopscience.iop.org
In the present work, we have performed the phonon dispersion calculations of body-
centered cubic vanadium (V) and niobium (Nb) with the supercell approach using different …

Phonon-mode-specific lattice dynamical coupling of carriers in semiconductors using Raman and optical spectroscopic techniques

OV Rambadey, M Gupta, PR Sagdeo - Physical Review B, 2022 - APS
We demonstrate a methodology for quantitative estimation of electron-phonon coupling
(EPC) for each phonon mode taking base from second-order correction in polaron-energy …

Mechanical characterisation of V-4Cr-4Ti alloy: Tensile tests under high energy synchrotron diffraction

T Sparks, D Nguyen-Manh, P Zheng, JS Wróbel… - Journal of Nuclear …, 2022 - Elsevier
Vanadium base alloys represent potentially promising candidate structural materials for use
in nuclear fusion reactors due to vanadium's low activity, high thermal strength, and good …

[HTML][HTML] Thermally frustrated phase transition at high pressure in B2-ordered FeV

H Reyes-Pulido, B KC, RS Kumar, RJ Hemley… - AIP Advances, 2024 - pubs.aip.org
X-ray diffraction measurements of equiatomic B2-ordered FeV were performed in a diamond-
anvil cell at room temperature at several pressure points up to 80 GPa that showed the cubic …

Lattice dynamics and free energies of Fe–V alloys with thermal and chemical disorder

C Diaz-Caraveo, KC Bimal… - Journal of Physics …, 2024 - iopscience.iop.org
Molecular dynamics simulations of Fe–V binary alloys with body-centered cubic as the
underlying lattice were performed using a classical potential for chemically ordered and …

Full temperature-dependent potential and anharmonicity in metallic hydrogen: Colossal NQE and the consequences

HY Geng - The Journal of Physical Chemistry C, 2022 - ACS Publications
The temperature-dependent effective potential (TDEP) method for anharmonic phonon
dispersion is generalized to the full potential case by combining with path integral formalism …

[HTML][HTML] Development of a flexible quasi-harmonic-based approach for fast generation of self-consistent thermodynamic properties used in computational …

J Jofré, AE Gheribi, JP Harvey - Calphad, 2023 - Elsevier
We present in this work a new formalism for the rapid and accurate evaluation of the
thermodynamic properties of compounds and solid solution end-members which are …

Understanding the role of anharmonic phonons in diffusion of bcc metals

S Fattahpour, A Davariashtiyani, S Kadkhodaei - Physical Review Materials, 2022 - APS
Diffusion in the high-temperature bcc phase of IIIB-IVB metals such as Zr, Ti, and their alloys
is observed to be orders of magnitude higher than bcc metals of group VB-VIB, including Cr …