Chin. Phys. Lett.  2013, Vol. 30 Issue (4): 047501    DOI: 10.1088/0256-307X/30/4/047501
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
Room-Temperature Ferromagnetism in Fe/Sn-Codoped In2O3 Powders and Thin Films
JIANG Feng-Xian1, XI Shi-Bo2, MA Rong-Rong1, QIN Xiu-Fang1, FAN Xiao-Chen1, ZHANG Min-Gang3, ZHOU Jun-Qi3, XU Xiao-Hong1**
1Key Laboratory of Magnetic Molecules and Magnetic Information Material (Ministry of Education), School of Chemistry and Materials Science, Shanxi Normal University, Linfen 041004
2Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049
3School of Materials Science and Engineering, Taiyuan University of Science and Technology, Taiyuan 030024
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JIANG Feng-Xian, XI Shi-Bo, MA Rong-Rong et al  2013 Chin. Phys. Lett. 30 047501
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Abstract Fe/Sn-codoped In2O3 powders and films are prepared by a vacuum annealing process and a pulsed laser deposition technique, respectively. The structural and magnetic properties of the samples are investigated. The obvious room-temperature ferromagnetism is observed in both (In0.92Fe0.05Sn0.03)2O3 powders and films, but their magnetic behaviors are very different. The ferromagnetism of the vacuum-annealed powders is partially due to precipitated Fe3O4 impurity. By contrast, the ferromagnetism of the films is intrinsic and does not originate from any magnetic impurity, as confirmed by the extensive x-ray absorption spectroscopy and magnetization studies.
Received: 01 December 2012      Published: 28 April 2013
PACS:  75.50.Pp (Magnetic semiconductors)  
  75.70.-i (Magnetic properties of thin films, surfaces, and interfaces)  
  75.30.Hx (Magnetic impurity interactions)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/30/4/047501       OR      https://cpl.iphy.ac.cn/Y2013/V30/I4/047501
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JIANG Feng-Xian
XI Shi-Bo
MA Rong-Rong
QIN Xiu-Fang
FAN Xiao-Chen
ZHANG Min-Gang
ZHOU Jun-Qi
XU Xiao-Hong
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