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Epitaxial growth of alternating thin films of GaAs and Al was achieved on GaAs substrates of various orientations. In situ high-energy electron diffraction (HEED) analysis was used to monitor the molecular beam growth process. The following crystallographic relationship was observed: (100) GaAs on (110) Al on (100) GaAs substrates, with [110] GaAs parallel to [100] Al. An atomic interface model is proposed to explain the observed growth.
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Ludeke et al. (1973) studied this question.
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