High temperature ferromagnetism with a giant magnetic moment in transparent co-doped SnO(2-delta).

@article{Ogale2003HighTF,
  title={High temperature ferromagnetism with a giant magnetic moment in transparent co-doped SnO(2-delta).},
  author={S. B. Ogale and Ram Jane Choudhary and James P Buban and Sam E. Lofland and Sachin Rohidas Shinde and Santosh Nemichand Kale and Vishwas Kulkarni and Janine Higgins and Christopher J Lanci and Jeffrey R. Simpson and Nigel D. Browning and Sankar Das Sarma and H. Dennis Drew and Richard. L. Greene and Tumlinson Venkatesan},
  journal={Physical review letters},
  year={2003},
  volume={91 7},
  pages={077205}
}
The occurrence of room temperature ferromagnetism is demonstrated in pulsed laser deposited thin films of Sn(1-x)Co(x)O(2-delta) (x<0.3). Interestingly, films of Sn(0.95)Co(0.05)O(2-delta) grown on R-plane sapphire not only exhibit ferromagnetism with a Curie temperature close to 650 K, but also a giant magnetic moment of 7.5+/-0.5 micro(B)/Co, not yet reported in any diluted magnetic semiconductor system. The films are semiconducting and optically highly transparent. 
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