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Triple-Period (TP)-A and CuPt-A Type Ordering in Al0.5In0.5As Grown by Metalorganic-Vapor-Phase-Epitaxy

Published online by Cambridge University Press:  10 February 2011

Tohru Suzuki
Opto-Electronics & High-Frequency Device Research Laboratories, NEC Corporation,
Toshinari Ichihasfh
Fundamental Research Laboratories, NEC Corporation, 34 Miyukigaoka, Tsukuba, Ibaraki 305–8501, Japan
Masayoshi Tsuji
Opto-Electronics & High-Frequency Device Research Laboratories, NEC Corporation,
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The triple-period (TP)-A and CuPt-A type ordering, which have been so far reported only for MBE grown alloys, were observed, in addition to CuPt-B type ordering, in Al0.5In0.5As alloys grown by MOVPE at 500°C. This indicates that (2×3) and (1×2) surface reconstructions occur on the surface even during MOVPE growth, although the (2×1) surface reconstruction and CuPt-B type ordering are dominant for the growth conditions examined.

Research Article
Copyright © Materials Research Society 2000

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