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Room-Temperature Anisotropic Ferromagnetism in Fe-Doped In 2 O 3 Heteroepitaxial Films
- Source :
- Chinese Physics Letters. 26:117503
- Publication Year :
- 2009
- Publisher :
- IOP Publishing, 2009.
-
Abstract
- Fe-doped In2O3 films are grown epitaxially on YSZ (100) substrates by pulsed laser deposition. The in-situ reflection high-energy electron diffraction, the atomic force microscopy, and the x-ray diffraction patterns show that the films have a well defined cubic structure epitaxially oriented in the (100) direction. Room temperature ferromagnetism is observed by an alternating gradient magnetometer. Strong perpendicular magnetic anisotropy with a remnant magnetization ratio of 0.83 and a coercivity of 2.5kOe is revealed. Both the structural and the magnetic measurements suggest that this ferromagnetism is an intrinsic property deriving from the spin-orbit coupling between the diluted Fe atoms.
Details
- ISSN :
- 17413540 and 0256307X
- Volume :
- 26
- Database :
- OpenAIRE
- Journal :
- Chinese Physics Letters
- Accession number :
- edsair.doi...........bf6a75f26700bb142816a7b05fd75213