Non-nearest-neighbor jumps in 2D diffusion: Pd on W(110)

Sang Mun Oh; Seong Jin Koh; Kentaro Kyuno; Gert Ehrlich

Non-nearest-neighbor jumps in 2D diffusion: Pd on W(110)

Sang Mun Oh, Seong Jin Koh, Kentaro Kyuno, Gert Ehrlich

Research output: Contribution to journal › Article › peer-review

Abstract

The movement of individual Pd atoms on W(110) was examined to study the non-nearest-neighbor jump processes in diffusion of atoms on a 2D surface. The distribution of displacements of Pd at high temperatures showed double jumps along the close-packed (111). Differences between the mean-square displacements along x and y were observed. The jumps were found to proceed over activation barriers higher than for single jumps, under conditions predicted for Pd on the channeled W(211).

Original language	English
Pages (from-to)	2361021-2361024
Number of pages	4
Journal	Physical Review Letters
Volume	88
Issue number	23
Publication status	Published - 2002 Jun 10
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Non-nearest-neighbor jumps in 2D diffusion: Pd on W(110)",

abstract = "The movement of individual Pd atoms on W(110) was examined to study the non-nearest-neighbor jump processes in diffusion of atoms on a 2D surface. The distribution of displacements of Pd at high temperatures showed double jumps along the close-packed (111). Differences between the mean-square displacements along x and y were observed. The jumps were found to proceed over activation barriers higher than for single jumps, under conditions predicted for Pd on the channeled W(211).",

author = "Oh, {Sang Mun} and Koh, {Seong Jin} and Kentaro Kyuno and Gert Ehrlich",

year = "2002",

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AU - Ehrlich, Gert

PY - 2002/6/10

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N2 - The movement of individual Pd atoms on W(110) was examined to study the non-nearest-neighbor jump processes in diffusion of atoms on a 2D surface. The distribution of displacements of Pd at high temperatures showed double jumps along the close-packed (111). Differences between the mean-square displacements along x and y were observed. The jumps were found to proceed over activation barriers higher than for single jumps, under conditions predicted for Pd on the channeled W(211).

AB - The movement of individual Pd atoms on W(110) was examined to study the non-nearest-neighbor jump processes in diffusion of atoms on a 2D surface. The distribution of displacements of Pd at high temperatures showed double jumps along the close-packed (111). Differences between the mean-square displacements along x and y were observed. The jumps were found to proceed over activation barriers higher than for single jumps, under conditions predicted for Pd on the channeled W(211).

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