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Observation of anomalous Hall effect in EuO epitaxial thin films grown by a pulse laser deposition

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5 Author(s)
Yamasaki, T. ; Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan ; Ueno, K. ; Tsukazaki, A. ; Fukumura, T.
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We have found that there is a narrow but distinct window in oxygen pressure for growing phase-pure epitaxial EuO films by a pulsed laser deposition. With finely decreasing the oxygen pressure, the electrical property is varied from insulating to metallic with an enhancement in Curie temperature from 70 to 120 K. The anomalous Hall contribution was clearly observed in Hall resistance at 5 K in the highest electron density sample. The saturated anomalous Hall conductivity (0.2 S/cm) is rather high in comparison with those of the other ferromagnetic oxides, probably due to strong spin-orbit coupling in EuO.

Published in:

Applied Physics Letters  (Volume:98 ,  Issue: 8 )

Date of Publication:

Feb 2011

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