Phase stability in Ga{sub x}In{sub 1{minus}x}As{sub y}Sb{sub 1{minus}y}/GaSb heterostructures

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Description

The crystallographic and microstructural characteristics of liquid phase epitaxy lattice-matched In{sub x}Ga{sub (1{minus}x)}As{sub y}Sb{sub (1{minus}y)}/GaSb (100) heterostructures is presented. Using both transmission electron microscopy and high resolution X-ray diffraction, a variety of diffusional based phase transformations in the epitaxial films are observed, including: spinodal decomposition, compositional modulations of the order of 30 nm, and weak long range ordering. These results are interpreted in terms of the possible influence of substrate surface structure on the phase stability of epitaxial layers.

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10 p.

Creation Information

Chen, Y.C.; Bucklen, V.; Rajan, K.; Freeman, M.; Cardines, R.P. Jr.; Nichols, G. et al. October 1, 1998.

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  • Knolls Atomic Power Laboratory
    Publisher Info: Knolls Atomic Power Lab., Schenectady, NY (United States)
    Place of Publication: Schenectady, New York

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Description

The crystallographic and microstructural characteristics of liquid phase epitaxy lattice-matched In{sub x}Ga{sub (1{minus}x)}As{sub y}Sb{sub (1{minus}y)}/GaSb (100) heterostructures is presented. Using both transmission electron microscopy and high resolution X-ray diffraction, a variety of diffusional based phase transformations in the epitaxial films are observed, including: spinodal decomposition, compositional modulations of the order of 30 nm, and weak long range ordering. These results are interpreted in terms of the possible influence of substrate surface structure on the phase stability of epitaxial layers.

Physical Description

10 p.

Notes

OSTI as DE99001617

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  • 4. National Renewable Energy Laboratory (NREL) conference on thermophotovoltaic generation of electricity, Denver, CO (United States), 11-14 Oct 1998

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  • Other: DE99001617
  • Report No.: KAPL-P--000123
  • Report No.: K--98165;CONF-981055--
  • Grant Number: AC12-76SN00052
  • DOI: 10.2172/307979 | External Link
  • Office of Scientific & Technical Information Report Number: 307979
  • Archival Resource Key: ark:/67531/metadc679581

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Office of Scientific & Technical Information Technical Reports

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

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  • October 1, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • May 16, 2016, 5:19 p.m.

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Chen, Y.C.; Bucklen, V.; Rajan, K.; Freeman, M.; Cardines, R.P. Jr.; Nichols, G. et al. Phase stability in Ga{sub x}In{sub 1{minus}x}As{sub y}Sb{sub 1{minus}y}/GaSb heterostructures, report, October 1, 1998; Schenectady, New York. (digital.library.unt.edu/ark:/67531/metadc679581/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.