Edge Channel Dominated Magnetotransport in PbTe Wide Parabolic Quantum Wells

In PbTe wide parabolic quantum wells (WPQW) a plateau-like structure is observed in the Hall resistance, which corresponds to the Shubnikov-de Haas oscillations in the same manner as known from the quantum Hall effect. At the same time a non-local signal is observed which corresponds to the structur...

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Bibliographic Details
Published inarXiv.org
Main Authors Oswald, J, Span, G, Homer, A, Heigl, G, Ganitzer, P, Maude, D K, Portal, J C
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 18.07.1997
Subjects
Intermetallic compounds
Quantum Hall effect
Quantum wells
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Summary:In PbTe wide parabolic quantum wells (WPQW) a plateau-like structure is observed in the Hall resistance, which corresponds to the Shubnikov-de Haas oscillations in the same manner as known from the quantum Hall effect. At the same time a non-local signal is observed which corresponds to the structure in Rxx and Rxy. We find a striking correspondence between a standard quantum Hall system and this quasi 3D WPQW system.
ISSN:2331-8422