Anomalous spin splitting of two-dimensional electrons in an alas quantum well

S. J. Papadakis, E. P. De Poortere, M. Shayegan

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

We measure the effective Landé g-factor of two-dimensional electrons in a modulation-doped AlAs quantum well by tilting the sample in a magnetic field and monitoring the evolution of the magnetoresistance oscillations. The data reveal that (Formula presented) which is much enhanced with respect to the reported bulk value of 1.9. Surprisingly, in a large range of magnetic field and Landau level fillings, the value of the enhanced g-factor appears to be constant.

Original languageEnglish (US)
Pages (from-to)R12743-R12746
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume59
Issue number20
DOIs
StatePublished - Jan 1 1999

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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