Strong Aharonov-Bohm oscillations in GaAs two-dimensional holes

B. Habib, E. Tutuc, M. Shayegan

Research output: Contribution to journalArticle

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Abstract

The authors measured Aharonov-Bohm resistance oscillations [Phys. Rev. 115, 485 (1959)] in a shallow two-dimensional GaAs hole ring structure, defined by local anodic surface oxidation. The amplitude of the oscillations is about 10% of the ring resistance, the strongest seen in a hole system. In addition the authors observe resistance oscillations as a function of front gate bias at zero magnetic field. They authors discuss the results in light of spin interference in the ring and possibleapplications to spintronics.

Original languageEnglish (US)
Article number152104
JournalApplied Physics Letters
Volume90
Issue number15
DOIs
StatePublished - Apr 24 2007

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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