Strongly anisotropic electronic transport at landau level filling factor ν=9/2 and ν=5/2 under a tilted magnetic field

W. Pan, R. R. Du, H. L. Stormer, D. C. Tsui, L. N. Pfeiffer, K. W. Baldwin, K. W. West

Research output: Contribution to journalArticlepeer-review

212 Scopus citations

Abstract

We have investigated the influence of an increasing in-plane magnetic field on the states of half filling of Landau levels (ν=11/2, 9/2, 7/2, and 5/2) of a two-dimensional electron system. In the electrically anisotropic phase at ν=9/2 and 11/2 an in-plane magnetic field of ∼1-2T overcomes its initial pinning to the crystal lattice and reorients this phase. In the initially isotropic phases at ν=5/2 and 7/2 an in-plane magnetic field induces a strong electrical anisotropy. In all cases, for high in-plane fields the high-resistance axis is parallel to the direction of the in-plane field.

Original languageEnglish (US)
Pages (from-to)820-823
Number of pages4
JournalPhysical review letters
Volume83
Issue number4
DOIs
StatePublished - Jan 1 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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