Resonant tunneling of two-dimensional electrons into one-dimensional subbands of a quantum wire

A. Zaslavsky, D. C. Tsui, M. Santos, M. Shayegan

Research output: Contribution to journalArticle

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Abstract

Liquid phase epitaxy regrowth on the edge of in situ cleaved substrates is employed to create a vertical two-dimensional electron gas in a double-barrier tunneling potential. Resonant tunneling of two-dimensional electrons through one-dimensional quantum wire subbands is unambiguously identified by negative differential resistance features in the transport characteristics. The bias positions of these features agree with simple tunneling theory estimates based on conservation laws and the calculated band alignment in the structure under bias.

Original languageEnglish (US)
Pages (from-to)1440-1442
Number of pages3
JournalApplied Physics Letters
Volume58
Issue number13
DOIs
StatePublished - Dec 1 1991

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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