Anomalous Hall effect in Cu and Fe codoped In2O3 and ITO thin films

Zhao, B, Xia, B, Ho, H, Fan, Z and Wang, L 2009, 'Anomalous Hall effect in Cu and Fe codoped In2O3 and ITO thin films', Physica B: Condensed Matter, vol. 404, no. 16, pp. 2117-2121.


Document type: Journal Article
Collection: Journal Articles

Title Anomalous Hall effect in Cu and Fe codoped In2O3 and ITO thin films
Author(s) Zhao, B
Xia, B
Ho, H
Fan, Z
Wang, L
Year 2009
Journal name Physica B: Condensed Matter
Volume number 404
Issue number 16
Start page 2117
End page 2121
Total pages 5
Publisher Elsevier BV
Abstract We present a systematic study of the structure, magnetization, resistivity, and Hall effect properties of pulsed laser deposited Fe- and Cu-codoped In2O3 and indium-tin-oxide (ITO) thin films. Both the films show a clear ferromagnetism and anomalous Hall effect at 300 K. The saturated magnetic moments are almost the same for the two samples, but their remanent moments Mr and coercive fields HC are quite different. Mr and HC values of ITO film are much smaller than that of In2O3. The ITO sample shows a typical semiconducting behavior in whole studied temperature range, while the In2O3 thin film is metallic in the temperature range between 147 and 285 K. Analysis of different conduction mechanisms suggest that charge carriers are not localized in the present films. The profile of the anomalous Hall effect vs. magnetic field was found to be identical to the magnetic hysteresis loops, indicating the possible intrinsic nature of ferromagnetism in the present samples.
Subject Electronic and Magnetic Properties of Condensed Matter; Superconductivity
Keyword(s) Anomalous Hall effect
Magnetic semiconductors
DOI - identifier 10.1016/j.physb.2009.01.028
Copyright notice © 2009 Published by Elsevier B.V.
ISSN 0921-4526
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