Layer-depopulation- and magnetic-field-induced resistance oscillations in a triple-layer electron system

T. S. Lay, X. Ying, Mansour Shayegan

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Abstract

The resistance R of a coupled, triple-layer electron system exhibits two distinct types of oscillations as a function of front-gate bias VFG or in-plane magnetic field B. We observe up to three oscillations in R as a function of B; these correspond to the passage of the Fermi level through the partial energy gaps arising from the level anticrossings at the intersections of the dispersion curves of the three electron layers. By fixing B and decreasing VFG, we observe additional oscillations in R as the system makes triple-to-double and double-to-single layer transitions.

Original languageEnglish (US)
JournalPhysical Review B
Volume52
Issue number8
DOIs
StatePublished - Jan 1 1995

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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