BGaInAs Alloys Lattice Matched to GaAs

J. F. Geisz, D. J. Friedman, J. M. Olson, Sarah R. Kurtz, R. C. Reedy, A. B. Swartzlander, B. M. Keyes, A. G. Norman

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Abstract

We report the epitaxial growth of zinc-blende BxGa1 - x - y InyAs and BxGa1 - xAs on GaAs substrates with boron concentrations (x) up to 2%-4% by atmospheric-pressure metalorganic chemical vapor deposition. The band gap of BxGa1 - xAs increases by only 4-8 meV/%B with increasing boron concentration in this concentration range. We demonstrate an epitaxial BxGa1 - x - yIny,As layer deposited on GaAs with a band gap of 1.34 eV that is significantly less strained than a corresponding Ga1 - yInyAs layer with the same band gap.

Original languageAmerican English
Pages (from-to)1443-1445
Number of pages3
JournalApplied Physics Letters
Volume76
Issue number11
DOIs
StatePublished - 2000

NREL Publication Number

  • NREL/JA-520-27585

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