Anomalous Hall heat current and Nernst effect in the CuCr 2Se4-xBrx ferromagnet

Wei Li Lee, S. Watauchi, V. L. Miller, R. J. Cava, N. P. Ong

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A anomalous Hall heat current and the Nernst effect in the CuCr 2Se4-xBrx ferromagnet was analyzed. The variation of αxy with the hole density and lifetime τ in the ferromagnet was also measured. It was found that αxy is independent of τ at low temperatures, consistent with the anomalous-velocity theories. It was observed that fluctuations of the paramagnetic magnetization lead to a significant transverse electrical current that is proportional to the average magnetization.

Original languageAmerican English
Article number226601
JournalPhysical review letters
Issue number22
StatePublished - Nov 29 2004

ASJC Scopus subject areas

  • General Physics and Astronomy

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