Enhancement of valley susceptibility upon complete spin polarization

Medini Padmanabhan, T. Gokmen, M. Shayegan

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Measurements on a two-dimensional electron system confined to an AlAs quantum well reveal that for a given electron density the valley susceptibility, defined as the change in valley population difference per unit strain, is enhanced as the system makes a transition from partial to full spin polarization. This observation is reminiscent of earlier studies in which the spin susceptibility of AlAs electrons was observed to be higher in a single-valley system than its two-valley counterpart.

Original languageEnglish (US)
Article number161301
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number16
StatePublished - Oct 6 2008

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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