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- W3204560779 endingPage "9583" @default.
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- W3204560779 abstract "Oxygen vacancy is a common defect in metal oxides that causes appreciable damage to material properties and performance. Removing bulk defects of oxygen vacancy (VO) typically needs harsh conditions such as high-temperature annealing. Supported by first-principles simulations, we propose an effective strategy of removing VO bulk defects in metal oxides by evaporating hydrogen dopants. The hydrogen dopants not only lower the migration barrier of VO but also push VO away due to their repulsive interaction. The coevaporation mechanism was supported by a neural networks potential-based molecular dynamics simulation, which shows that the migration of hydrogen dopants from inside to surface at 400 K promotes the migration of VO as well. Our proof-of-concept study suggests an alternative and efficient way of modulating oxygen vacancies in metal oxides via reversible hydrogen doping." @default.
- W3204560779 created "2021-10-11" @default.
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- W3204560779 date "2021-09-28" @default.
- W3204560779 modified "2023-10-14" @default.
- W3204560779 title "Facile Removal of Bulk Oxygen Vacancy Defects in Metal Oxides Driven by Hydrogen-Dopant Evaporation" @default.
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- W3204560779 doi "https://doi.org/10.1021/acs.jpclett.1c02687" @default.
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