First-principles study of solute–vacancy binding in Cu

•Solute–vacancy binding is a key quantity in understanding diffusion kinetics.•A large database of solute–vacancy binding energies in Cu from first-principles calculations based on density functional theory was presented in the paper.•The trends in the binding energies in terms of super cell size, s...

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Veröffentlicht in:Journal of alloys and compounds 2014-09, Vol.608, p.334-337
Hauptverfasser: Wang, Yufei, Gao, Haiyan, Han, Yanfeng, Dai, Yongbing, Bian, Fenggang, Wang, Jun, Sun, Baode
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container_end_page 337
container_issue
container_start_page 334
container_title Journal of alloys and compounds
container_volume 608
creator Wang, Yufei
Gao, Haiyan
Han, Yanfeng
Dai, Yongbing
Bian, Fenggang
Wang, Jun
Sun, Baode
description •Solute–vacancy binding is a key quantity in understanding diffusion kinetics.•A large database of solute–vacancy binding energies in Cu from first-principles calculations based on density functional theory was presented in the paper.•The trends in the binding energies in terms of super cell size, solutes size and magnetic moments were analyzed. Solute–vacancy binding is a key quantity in understanding diffusion kinetics, and may also have a considerable impact on the hardening response in Cu alloys. However, the binding energies between solute atoms and vacancies in Cu are largely unknown and difficult to measure accurately. A large database of solute–vacancy binding energies in Cu from first-principles calculations based on density functional theory was presented in the paper. The trends in the binding energies in terms of super cell size, solutes size and magnetic moments are analyzed. The calculated binding energies agree well with experimental measurements available.
doi_str_mv 10.1016/j.jallcom.2014.04.053
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Solute–vacancy binding is a key quantity in understanding diffusion kinetics, and may also have a considerable impact on the hardening response in Cu alloys. However, the binding energies between solute atoms and vacancies in Cu are largely unknown and difficult to measure accurately. A large database of solute–vacancy binding energies in Cu from first-principles calculations based on density functional theory was presented in the paper. The trends in the binding energies in terms of super cell size, solutes size and magnetic moments are analyzed. 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subjects Alloys
Binding
Binding energy
Condensed matter: structure, mechanical and thermal properties
Copper
Copper base alloys
Defects and impurities in crystals
microstructure
Density functional theory
Exact sciences and technology
First-principles calculations
Magnetic moments
Mathematical analysis
Physics
Solute–vacancy binding
Structure of solids and liquids
crystallography
Theories and models of crystal defects
title First-principles study of solute–vacancy binding in Cu
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