Transitions between Wannier-Stark states of a superlattice at high magnetic field

Alain Nogaret, L Eaves, pc main, M Henini, D K Maude, Jean-Claude Portal

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Conduction of electrons through the quantum wells of a Landau level-quantised superlattice in the Wannier-Stark regime is investigated. We observe features in the current–voltage characteristics which arise from quasi-elastic processes in which electrons tunnel (hop) across as many as four superlattice periods. These transitions occur with a change of Landau level index and are observed together with the previously-studied nearest-neighbour well transitions. We investigate the temperature dependence of these processes.
Original languageEnglish
Pages (from-to)374-377
Number of pages4
JournalPhysica Status Solidi B-Basic Solid State Physics
Volume204
Issue number1
DOIs
Publication statusPublished - Nov 1997

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