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- W2029947479 abstract "The energetics and kinetics of the $c$($2ifmmodetimeselsetexttimesfi{}2$) to ($2sqrt{2}ifmmodetimeselsetexttimesfi{}sqrt{2}$)$R$${45}^{ifmmode^circelsetextdegreefi{}}$ missing-row reconstruction transition on the Cu(100) surface are investigated using density functional theory calculations. First, oxygen-molecule-induced surface restructuring on the unreconstructed Cu(100) surface is compared to that on the missing-row reconstructed surface. We find that the surface-oxide energy decrease on the missing-row reconstruction ($ensuremath{-}0.149$ eV/AA{}${}^{2}$) is larger than that on the unreconstructed surface ($ensuremath{-}0.080$ eV/AA{}${}^{2}$). Cu${}_{2}$O-like structures, which are found on the reconstructed surface, are not found on the unreconstructed surface. These results indicate that the missing-row reconstruction is necessary for the formation of Cu${}_{2}$O on the Cu(100) surface. Then, we investigate copper ejection from the $c(2ifmmodetimeselsetexttimesfi{}2)$ phase using the nudged elastic band method. A series of ejections onto the nearest-neighbor copper atom is found to be the most probable mechanism for the formation of the missing row. The barriers for the subsequent copper diffusion events are comparable to those on the perfect $c(2ifmmodetimeselsetexttimesfi{}2)$ phase and the clean copper surface, suggesting that the $c(2ifmmodetimeselsetexttimesfi{}2)$ phase acts as a copper diffusion channel during surface oxidation." @default.
- W2029947479 created "2016-06-24" @default.
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- W2029947479 date "2011-04-29" @default.
- W2029947479 modified "2023-10-13" @default.
- W2029947479 title "Energetics and kinetics of the<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mi>c</mml:mi></mml:mrow></mml:math>(<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mn>2</mml:mn><mml:mo>×</mml:mo><mml:mn>2</mml:mn></mml:mrow></mml:math>) to (<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:mn>2</mml:mn><mml:msqrt><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msqrt><mml:mo>×</mml…" @default.
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- W2029947479 doi "https://doi.org/10.1103/physrevb.83.165447" @default.
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