Growth and characterization of spontaneously-ordered AlInAs and GaInAs on InP

Douglas J. Arent; M. Bode; P. Ahrenkiel; R. Ahrenkiel; Kristine A. Bertness; Sarah R. Kurtz; C. Kramer; J. M. Olson

doi:10.1117/12.175777

11 May 1994 Growth and characterization of spontaneously ordered AlInAs and GaInAs on InP

Douglas J. Arent, M. Bode, P. Ahrenkiel, R. Ahrenkiel, Kristine A. Bertness, Sarah R. Kurtz, C. Kramer, J. M. Olson

Proceedings Volume 2140, Epitaxial Growth Processes; (1994) https://doi.org/10.1117/12.175777
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

Spontaneous CuPt-type ordering of Group III atoms on the (111) subplanes of the GaInAs₂ and AlInAs₂ epitaxially deposited by atmospheric pressure organometallic vapor phase epitaxy is observed by transmission electron microscopy. We find positive correlation between the observation of CuPt-like (111) superlattice diffraction spots in transmission electron diffraction (TED) patterns and reduced band gap energies, with a reduction of more than 75 meV for GaInAs₂ and 25 meV for AlInAs₂. For these materials, ordering depends strongly on growth temperature, but only moderately on substrate misorientation. Room temperature time-resolved photoconductivity of ordered GaInAs₂ exhibit 50 microsecond(s) ec decay and behavior indicative of carrier localization.

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Douglas J. Arent, M. Bode, P. Ahrenkiel, R. Ahrenkiel, Kristine A. Bertness, Sarah R. Kurtz, C. Kramer, and J. M. Olson "Growth and characterization of spontaneously ordered AlInAs and GaInAs on InP", Proc. SPIE 2140, Epitaxial Growth Processes, (11 May 1994); https://doi.org/10.1117/12.175777

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