III-Sb (001) growth surfaces: Structure and island nucleation

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The authors have determined the reconstructions present on AlSb and GaSb(001) under conditions typical for device growth by molecular beam epitaxy. Within the range of Sb flux and temperature where the diffraction pattern is nominally (1 x 3), three distinct (4 x 3) reconstructions actually occur. The three structures are different than those previously proposed for these growth conditions, with two incorporating mixed III-V dimers on the surface. The presence of these hetero-dimers in the top Sb layer leads to an island nucleation and growth mechanism fundamentally different than for other III-V systems.

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14 p.

Creation Information

BARVOSA-CARTER,W.; BRACKER,A.S.; CULBERTSON,J.C.; NOSHO,B.Z.; SHANABROOK,B.V.; WHITMAN,L.J. et al. April 24, 2000.

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

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Description

The authors have determined the reconstructions present on AlSb and GaSb(001) under conditions typical for device growth by molecular beam epitaxy. Within the range of Sb flux and temperature where the diffraction pattern is nominally (1 x 3), three distinct (4 x 3) reconstructions actually occur. The three structures are different than those previously proposed for these growth conditions, with two incorporating mixed III-V dimers on the surface. The presence of these hetero-dimers in the top Sb layer leads to an island nucleation and growth mechanism fundamentally different than for other III-V systems.

Physical Description

14 p.

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OSTI as DE00754331

Medium: P; Size: 14 pages

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  • Journal Name: Physical Review Letters; Other Information: Submitted to Physical Review Letters

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  • Report No.: SAND2000-1036J
  • Report No.: 0000035210-000
  • Grant Number: AC04-94AL85000
  • DOI: 10.1103/PhysRevLett.84.4649 | External Link
  • Office of Scientific & Technical Information Report Number: 754331
  • Archival Resource Key: ark:/67531/metadc704079

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • April 24, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 7, 2017, 2:31 p.m.

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BARVOSA-CARTER,W.; BRACKER,A.S.; CULBERTSON,J.C.; NOSHO,B.Z.; SHANABROOK,B.V.; WHITMAN,L.J. et al. III-Sb (001) growth surfaces: Structure and island nucleation, article, April 24, 2000; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc704079/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.