Transition between two competing structures in the epitaxial Ag layer on W(110)

T. H. Kim; B. Y. Choi; Y. J. Song; W. G. Park; S. J. Kahng; Y. Kuk

doi:10.1103/PhysRevB.67.233401

Transition between two competing structures in the epitaxial Ag layer on W(110)

T. H. Kim, B. Y. Choi, Y. J. Song, W. G. Park, S. J. Kahng, Y. Kuk

Department of Physics

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

7 Citations (Scopus)

Abstract

Two competing structures, “ridges” and “troughs,” are observed in the first epitaxial layer of Ag on the W(110) surface with a scanning tunneling microscope. The mixed tensile and compressive strain is locally relieved by ridges and troughs in the epitaxial layer. Ag atoms are mainly commensurate with the body-centered-cubic sites of the W(110) substrate, and are partly incommensurate around misfit dislocations. The energy barrier and kinetics between these two structures are sufficiently low and slow enough to observe the structural transformation at room temperature.

Original language	English
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	67
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.67.233401
Publication status	Published - 2003 Jun 10

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.67.233401

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abstract = "Two competing structures, “ridges” and “troughs,” are observed in the first epitaxial layer of Ag on the W(110) surface with a scanning tunneling microscope. The mixed tensile and compressive strain is locally relieved by ridges and troughs in the epitaxial layer. Ag atoms are mainly commensurate with the body-centered-cubic sites of the W(110) substrate, and are partly incommensurate around misfit dislocations. The energy barrier and kinetics between these two structures are sufficiently low and slow enough to observe the structural transformation at room temperature.",

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AU - Park, W. G.

AU - Kahng, S. J.

AU - Kuk, Y.

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AB - Two competing structures, “ridges” and “troughs,” are observed in the first epitaxial layer of Ag on the W(110) surface with a scanning tunneling microscope. The mixed tensile and compressive strain is locally relieved by ridges and troughs in the epitaxial layer. Ag atoms are mainly commensurate with the body-centered-cubic sites of the W(110) substrate, and are partly incommensurate around misfit dislocations. The energy barrier and kinetics between these two structures are sufficiently low and slow enough to observe the structural transformation at room temperature.

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JO - Physical Review B-Condensed Matter

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Transition between two competing structures in the epitaxial Ag layer on W(110)

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