A key to room-temperature ferromagnetism in Fe-doped ZnO: Cu
Successful synthesis of room-temperature ferromagnetic semiconductors, Zn1-xFexO, is reported. The essential ingredient in achieving room-temperature ferromagnetism in bulk Zn1-xFexO was found to be additional Cu doping. A transition temperature as high as 550 K was obtained in Zn0.94Fe0.05Cu0.01O; the saturation magnetization at room temperature reached a value of 0.75mu(B) per Fe. A large magnetoresistance was also observed below 100 K. (C) 2002 American Institute of Physics.
- Publisher
- AMER INST PHYSICS
- Issue Date
- 2002-11
- Language
- English
- Article Type
- Article
- Keywords
MAGNETIC SEMICONDUCTORS; FILMS
- Citation
APPLIED PHYSICS LETTERS, v.81, no.22, pp.4212 - 4214
- ISSN
- 0003-6951
- Appears in Collection
- PH-Journal Papers(저널논문)
- Files in This Item
- There are no files associated with this item.
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