Room-Temperature Electron Spin Amplifier Based on Ga(In)NAs Alloys

  • Yuttapoom Puttisong
  • , Irina A. Buyanova
  • , Aaron J. Ptak
  • , Charles W. Tu
  • , Lutz Geelhaar
  • , Henning Riechert
  • , Weimin M. Chen

Research output: Contribution to journalArticlepeer-review

27 Scopus Citations

Abstract

The first experimental demonstration of a spin amplifier at room temperature is presented. An efficient, defect-enabled spin amplifier based on a non-magnetic semiconductor, Ga(In)NAs, is proposed and demonstrated, with a large spin gain (up to 2700% at zero field) for conduction electrons and a high cut-off frequency of up to 1 GHz.

Original languageAmerican English
Pages (from-to)738-742
Number of pages5
JournalAdvanced Materials
Volume25
Issue number5
DOIs
StatePublished - 2013

NLR Publication Number

  • NREL/JA-5200-58140

Keywords

  • defects
  • room temperature
  • semiconductors
  • spin amplifiers
  • spintronics

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