Resistively detected nuclear magnetic resonance: Recent developments

Hongwu Liu, Kaifeng Yang, Tetsuya D. Mishima, Michael B. Santos, Katsumi Nagase, Yoshiro Hirayama

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Abstract

The resistively detected nuclear magnetic resonance (RDNMR), a high-sensitivity NMR technique developed by Klaus von Klitzing's group in 1988, is used to investigate exotic electron and nuclear spin properties in GaAs two-dimensional electron gases (2DEGs). Because the dynamic nuclear polarization (DNP) approach required for the RDNMR demonstration is strongly dependent on unique material properties of GaAs, this highly-sensitive technique has not yet been applied to 2DEGs confined in other host semiconductors. More recently, we have developed a novel DNP method for demonstration of RDNMR in a 2DEG within the typical narrow-gap semiconductor InSb. In this article, we focus on the discussion of our newly-developed DNP method, experimental details and results as well as future prospects after some preliminary remarks on the principles of RDNMR and DNP.

Original languageEnglish
Article number147302
JournalWuli Xuebao/Acta Physica Sinica
Volume61
Issue number14
Publication statusPublished - 2012 Jul 20

Keywords

  • Dynamic nuclear polarization
  • Narrow-gap semiconductor
  • Resistively detected nuclear magnetic resonance
  • Two-dimensional electron gas

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Liu, H., Yang, K., Mishima, T. D., Santos, M. B., Nagase, K., & Hirayama, Y. (2012). Resistively detected nuclear magnetic resonance: Recent developments. Wuli Xuebao/Acta Physica Sinica, 61(14), [147302].