A Comparison of (100) Hg1−x Cdx Te and Hg1−x ZnxTe Grown By Molecular Beam Epitaxy
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ABSTRACTFilms of HgCdTe with x < 0.6 and of HgZnTe with x < 0.26 have been grown by molecular beam epitaxy (MBE). Very high electron mobilities have been achieved for both materials in the small bandgap region. Hall mobilities at 77K reach 4.8 × 105 cm2 /V-s for Hg0 87 Zn0.13 Te, and 3.1 × 105 cm2/V-s for Hg0.87 Zn0.13 Te. HgCdTe growth was easily extended to the 1.5 – 3 μm wave length range. Attempts to extend HgZnTe to these bandgaps were unsuccessful due to defects that are induced by surface roughness in high Zn-content films. These results suggest that HgCdTe is the more suitable material for MBE growth for near infrared applications.
1994 ◽
Vol 33
(Part 2, No. 6B)
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pp. L830-L831
1991 ◽
Vol 20
(12)
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pp. 1081-1085
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1995 ◽
Vol 11
(10)
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pp. 1079-1082
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2002 ◽
Vol 49
(3)
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pp. 354-360
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2019 ◽
Vol 2
(7)
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pp. 4528-4537
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