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Paper
Observation of double cyclotoron resonance and interband transitions in InAs-GaSb multi-heterojunctions
Abstract
Magneto-absorption experiments are performed in an InAs-GaSb multiheterojunction where both electrons and holes are simultaneously confined at the interfaces. Oscillatory characteristics are observed and interpreted in terms of interband transitions from the single hole subband to the two lowest electron subbands, and of cyclotron resonances associated with these subbands. Two electron masses are obtained, arising directly as a consequence of the heterojunction potential. © 1982.