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Molecular-beam epitaxy of GaSb/AlSb optical device layers on Si(100)

Journal Article · · J. Appl. Phys.; (United States)
DOI:https://doi.org/10.1063/1.336734· OSTI ID:5972333
We report for the first time the growth of GaSb/AlSb multilayers and alloys on Si(100) by molecular-beam epitaxy. High-quality films were achieved in spite of the large lattice constant mismatch of 12%. Room temperature, optically pumped pulsed lasers emitting at 1.8 ..mu..m have been demonstrated. Lateral photoconductive detectors with responsivities of 0.18 A/W have also been made. The film nucleation on the Si substrate was observed in situ by reflection high-energy electron diffraction. Characterization of the grown epilayers and preliminary optical device results are described.
Research Organization:
ATandT Bell Laboratories, Murray Hill, New Jersey 07974
OSTI ID:
5972333
Journal Information:
J. Appl. Phys.; (United States), Journal Name: J. Appl. Phys.; (United States) Vol. 59:11; ISSN JAPIA
Country of Publication:
United States
Language:
English