Quantum Hall Ferromagnetism in a Two-Dimensional Electron System

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.11053

Eom, J. ; Cho, Hyun-Ick ; Kang, W. ; Campman, K. L. ; Gossard, A. C. ; Bichler, Max ; Wegscheider, Werner

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Veröffentlichungsdatum dieses Volltextes: 30 Nov 2009 13:29

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Zusammenfassung

Experiments on a nearly spin degenerate two-dimensional electron system reveals unusual hysteretic and relaxational transport in the fractional quantum Hall effect regime. The transition between the spin-polarized (with fill fraction nu = 1/3) and spin-unpolarized (nu = 2/5) states is accompanied by a complicated series of hysteresis loops reminiscent of a classical ferromagnet. In correlation ...