The Relationship Between the Growth Shape of Three-Dimensional Pb Islands on Cu(100) and the Domain Orientation of the Underlying c(5v2xv2)R45 Degree Structure

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The authors use low energy electron microscopy to identify a correlation between the growth shape of three-dimensional Pb islands on Cu(100)and the domain structure of the underlying Pb overlayer. Deposition of 0.6 monolayer Pb on Cu(100) produces a compressed c(2x2) overlayer, designated c(5{radical}2x{radical}2)R45{degree}, with periodic rows of anti-phase boundaries. They found that heating the surface to temperatures above 100 C coarsens the orientational domains of this structure to sizes that are easily resolved in the low energy electron microscope. Three-dimensional Pb islands, grown on the coarsened domains, are found to be asymmetric with orientations that correlate with the domain structure. ... continued below

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14 p.

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Kellogg, Gary Lee & Plass, Richard A. June 12, 2000.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

The authors use low energy electron microscopy to identify a correlation between the growth shape of three-dimensional Pb islands on Cu(100)and the domain structure of the underlying Pb overlayer. Deposition of 0.6 monolayer Pb on Cu(100) produces a compressed c(2x2) overlayer, designated c(5{radical}2x{radical}2)R45{degree}, with periodic rows of anti-phase boundaries. They found that heating the surface to temperatures above 100 C coarsens the orientational domains of this structure to sizes that are easily resolved in the low energy electron microscope. Three-dimensional Pb islands, grown on the coarsened domains, are found to be asymmetric with orientations that correlate with the domain structure. Once nucleated with a preferred growth orientation, islands continue to grow with the same preferred orientation, even across domain boundaries.

Physical Description

14 p.

Notes

OSTI as DE00759849

Medium: P; Size: 14 pages

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  • Journal Name: Surface Science Letters; Other Information: Submitted to Surface Science Letters

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  • Report No.: SAND2000-1485J
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 759849
  • Archival Resource Key: ark:/67531/metadc708755

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  • June 12, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 7, 2017, 2:40 p.m.

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Kellogg, Gary Lee & Plass, Richard A. The Relationship Between the Growth Shape of Three-Dimensional Pb Islands on Cu(100) and the Domain Orientation of the Underlying c(5v2xv2)R45 Degree Structure, article, June 12, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc708755/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.