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 journalArticlepeer-review

33 Citations (Scopus)

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 languageEnglish
Pages (from-to)2361021-2361024
Number of pages4
JournalPhysical Review Letters
Volume88
Issue number23
Publication statusPublished - 2002 Jun 10
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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