Pump-probe nuclear magnetic resonance measurement in quantum Hall effect breakdown regime

研究成果: Article

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抜粋

An electrically detected nuclear magnetic resonance (NMR) signal is studied with respect to source-drain current for current-induced nuclear-spin polarization in the quantum Hall breakdown regime. We perform pump-probe measurements to discern the effects of current pumping and probing sensitivity on the NMR signal. We find that both factors contribute to the NMR signal. Within the higher current region in particular, nuclear-spin probing sensitivity has the dominant influence on the NMR signal rather than the nuclear-spin pumping effect. The results are discussed using a model, taking the resistance change with the nuclear-spin polarization and current-induced heating into account.

元の言語English
記事番号082108
ジャーナルApplied Physics Letters
103
発行部数8
DOI
出版物ステータスPublished - 2013 8 19

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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