Properties of CdTe/InSb heterostructures prepared by molecular beam epitaxy

作者: T. H. Myers , Yawcheng Lo , J. F. Schetzina , S. R. Jost

DOI: 10.1063/1.330400

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摘要: Properties of CdTe/InSb heterostructures grown on (111)B InSb substrates by molecular beam epitaxy are reported. X‐ray diffraction and uv reflectance measurements were used to judge the quality for layers under various conditions. Auger depth profile analysis revealed a sharp interfacial region less than 250 A depositions at 220 °C. Detailed capacitance‐voltage yielded interface‐state densities 1.4–2.8×1011 cm−2 eV−1 (near midgap) these preliminary samples, indicating that improved metal‐insulator‐semiconductor structures may be possible using this lattice‐matched heterojunction surface passivation scheme.

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