Phys. Rev. Lett. 99, 086602 (2007) [4 pages]
Crossover Behavior of the Anomalous Hall Effect and Anomalous Nernst Effect in Itinerant Ferromagnets
Abstract
References (19)
Citing Articles
T. Miyasato, 1 N. Abe, 1 T. Fujii, 1 A. Asamitsu, 1,2 S. Onoda, 2 Y. Onose, 3 N. Nagaosa, 2,3,4 and Y. Tokura2,3,41Cryogenic Research Center, University of Tokyo, Tokyo 113-0032, Japan
2Spin Superstructure Project, ERATO, JST, AIST Central 4, Tsukuba 305-8562, Japan
3Department of Applied Physics, University of Tokyo, Tokyo 113-8656, Japan
4Correlated Electron Research Center (CERC), AIST Central 4, Tsukuba 305-8562, Japan
Received 11 October 2006; published 24 August 2007
The anomalous Hall effect (AHE) and anomalous Nernst effect (ANE) are experimentally investigated in a variety of ferromagnetic metals including pure transition metals, oxides, and chalcogenides, whose resistivities range over 5 orders of magnitude. For these ferromagnets, the transverse conductivity xy versus the longitudinal conductivity xx shows a crossover behavior with three distinct regimes in accordance qualitatively with a recent unified theory of the intrinsic and extrinsic AHE. We also found that the transverse Peltier coefficient xy for the ANE obeys the Mott rule. These results offer a coherent and semiquantitative understanding of the AHE and ANE to an issue of controversy for many decades.
©2007 The American Physical Society
| URL: |
http://link.aps.org/doi/10.1103/PhysRevLett.99.086602
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| DOI: |
10.1103/PhysRevLett.99.086602 |
| PACS: |
72.15.Eb;
72.20.Pa
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REFERENCES (19)
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