Growth of InSb on GaAs Using InAlSb Buffer Layers

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We report the growth of InSb on GaAs using InAlSb buffers of high interest for magnetic field sensors. We have grown samples by metal-organic chemical vapor deposition consisting of {approximately} 0.55 {micro}m thick InSb layers with resistive InAlSb buffers on GaAs substrates with measured electron nobilities of {approximately}40,000 cm{sup 2}/V.s. We have investigated the In{sub 1{minus}x}Al{sub x}Sb buffers for compositions x{le}0.22 and have found that the best results are obtained near x=0.12 due to the tradeoff of buffer layer bandgap and lattice mismatch.

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14 p.

Creation Information

BIEFELD, ROBERT M. & PHILLIPS, JAMIE D. September 20, 1999.

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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

We report the growth of InSb on GaAs using InAlSb buffers of high interest for magnetic field sensors. We have grown samples by metal-organic chemical vapor deposition consisting of {approximately} 0.55 {micro}m thick InSb layers with resistive InAlSb buffers on GaAs substrates with measured electron nobilities of {approximately}40,000 cm{sup 2}/V.s. We have investigated the In{sub 1{minus}x}Al{sub x}Sb buffers for compositions x{le}0.22 and have found that the best results are obtained near x=0.12 due to the tradeoff of buffer layer bandgap and lattice mismatch.

Physical Description

14 p.

Notes

OSTI as DE00012681

Medium: P; Size: 14 pages

Source

  • Journal Name: Journal of Crystal Growth; Other Information: Submitted to Journal of Crystal Growth

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  • Report No.: SAND99-2414J
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 12681
  • Archival Resource Key: ark:/67531/metadc625158

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  • September 20, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 7, 2017, 2:30 p.m.

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BIEFELD, ROBERT M. & PHILLIPS, JAMIE D. Growth of InSb on GaAs Using InAlSb Buffer Layers, article, September 20, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc625158/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.