First-principles modeling of anisotropic anodic dissolution of metals and alloys in corrosive environments

H Ma, XQ Chen, R Li, S Wang, J Dong, W Ke - Acta Materialia, 2017 - Elsevier
There have been extensive experimental observations of the anisotropic corrosion behavior
of metals and alloys, and their mechanisms were assumed to be correlated with the so …

A comprehensive first-principles study of pure elements: vacancy formation and migration energies and self-diffusion coefficients

SL Shang, BC Zhou, WY Wang, AJ Ross, XL Liu, YJ Hu… - Acta Materialia, 2016 - Elsevier
A vast number of materials properties and phenomena are regulated by diffusion. However,
diffusion coefficients from experiments and calculations are far from complete. Here, we …

Vacancy formation enthalpies of high-entropy FeCoCrNi alloy via first-principles calculations and possible implications to its superior radiation tolerance

W Chen, X Ding, Y Feng, X Liu, K Liu, ZP Lu… - Journal of Materials …, 2018 - Elsevier
Because atoms in high-entropy alloys (HEAs) coordinate in very different and distorted local
environments in the lattice sites, even for the same type of constituent, their point defects …

Neural network and ReaxFF comparison for Au properties

JR Boes, MC Groenenboom, JA Keith… - … Journal of Quantum …, 2016 - Wiley Online Library
We have studied how ReaxFF and Behler–Parrinello neural network (BPNN) atomistic
potentials should be trained to be accurate and tractable across multiple structural regimes …

Strategies to improve the oxygen reduction reaction activity on Pt–Bi bimetallic catalysts: A density functional theory study

YP Zhang, ZX Su, HH Wei, ZQ Wang… - The Journal of Physical …, 2023 - ACS Publications
Decreasing the level of use of Pt in proton exchange membrane fuel cells is of great
research interest both academically and industrially. In this work, we systematically studied …

Dependencies of the parameters of vacancy formation and self-diffusion in a single-component crystal on temperature and pressure

MN Magomedov - Journal of Physics and Chemistry of Solids, 2022 - Elsevier
An analytical method for calculating the parameters of electroneutral vacancy formation and
self-diffusion of atoms in a single-component crystal is proposed. The method is based on …

Structural properties, phase stability, elastic properties and electronic structures of Cu–Ti intermetallics

S Chen, YH Duan, B Huang, WC Hu - Philosophical Magazine, 2015 - Taylor & Francis
The structural properties, phase stabilities, anisotropic elastic properties and electronic
structures of Cu–Ti intermetallics have been systematically investigated using first principles …

Localization versus delocalization of d-states within the MnGa Heusler alloy

J Janovec, M Zelený, O Heczko, A Ayuela - Scientific Reports, 2022 - nature.com
We present calculations based on density-functional theory with improved exchange-
correlation approaches to investigate the electronic structure of Ni 2 MnGa magnetic shape …

Acepentalene membrane sheet: a metallic two-dimensional carbon allotrope with high carrier mobility for lithium ion battery anodes

T Zeng, H Yang, H Wang, G Chen - The Journal of Physical …, 2020 - ACS Publications
The assembly paths of a 2D porous carbon allotrope designed with acepentalene organic
molecules are rationally proposed in theory. The polymerized acepentalene membrane …

Theoretical insights into non-Arrhenius behaviors of thermal vacancies in anharmonic crystals

TD Cuong, AD Phan - Physical Chemistry Chemical Physics, 2022 - pubs.rsc.org
Vacancies are prevalent point defects in crystals, but their thermal responses are elusive.
Herein, we formulate a simple theoretical model to shed light on the vacancy evolution …