Properties of type II mismatched PbTe/PbS superlattices

Fiodor F. Sizov; Joanna V. Gumenjuk-Sichevskaya; Vladimir V. Tetyorkin; Vyacheslav V. Zabudsky; V. V. Golovin

doi:10.1117/12.224951

16 October 1995 Properties of type II mismatched PbTe/PbS superlattices

Fiodor F. Sizov, Joanna V. Gumenjuk-Sichevskaya, Vladimir V. Tetyorkin, Vyacheslav V. Zabudsky, V. V. Golovin

Proceedings Volume 2373, Solid State Crystals: Materials Science and Applications; (1995) https://doi.org/10.1117/12.224951
Event: Solid State Crystals: Materials Science and Applications, 1994, Zakopane, Poland

Abstract

Strong magnetic field Hall coefficient and magnetoresistivity dependencies in PbTe/PbS semimetallic SLs with periods of 12.0 divided by 100.0 nm were observed. From the analysis of these dependencies by Monte-Carlo fitting procedure the band-offset (Delta) E_v equals 0.32 plus or minus 0.05 eV was obtained (T equals 77 K) and it was proved that these SLs are type II 'misaligned structures.' The band structure calculations of PbTe/PbS SLs in the envelope wave function approximation showed that in such SLs a semimetal-semiconductor transition should occur for layer thicknesses of approximately 6.0 nm.

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Fiodor F. Sizov, Joanna V. Gumenjuk-Sichevskaya, Vladimir V. Tetyorkin, Vyacheslav V. Zabudsky, and V. V. Golovin "Properties of type II mismatched PbTe/PbS superlattices", Proc. SPIE 2373, Solid State Crystals: Materials Science and Applications, (16 October 1995); https://doi.org/10.1117/12.224951

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