Spectroscopic study of nuclear magnetic resonance induced by oscillating electron spin domain walls

S. Watanabe, G. Igarashia, Katsushi Hashimoto, N. Kumada, Yoshiro Hirayama

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Nuclear electric resonance (NER), where nuclear spin resonance is mediated by oscillating electron-spin domain walls, is studied by applying radio-frequency electric fields to a GaAs-based two-dimensional electron system. In contrast with conventional resistively detected nuclear magnetic resonance, the NER signal appears not only at the resonance frequency, fL, but also at fL / 2, fL / 3, and so on. The amplitudes of NER signal are semi-quantitatively explained using a simple model based on the spatial oscillation of a domain wall and the resultant spatial distribution of the spectral density of the fundamental and harmonic components.

Original languageEnglish
Pages (from-to)999-1003
Number of pages5
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume42
Issue number4
DOIs
Publication statusPublished - 2010 Feb 1

Keywords

  • DNP
  • Domain wall
  • NER
  • NMR
  • Nuclear spin polarization
  • Quantum hall

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials

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