High Temperature Ferromagnetism with a Giant Magnetic Moment in Transparent Co-doped [Formula presented]

S. B. Ogale, R. J. Choudhary, J. P. Buban, S. E. Lofland, S. R. Shinde, S. N. Kale, V. N. Kulkarni, J. Higgins, C. Lanci, J. R. Simpson, N. D. Browning, S. Das Sarma, H. D. Drew, R. L. Greene, T. Venkatesan

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Abstract

The occurrence of room temperature ferromagnetism is demonstrated in pulsed laser deposited thin films of [Formula presented] ([Formula presented]). Interestingly, films of [Formula presented] grown on [Formula presented]-plane sapphire not only exhibit ferromagnetism with a Curie temperature close to 650 K, but also a giant magnetic moment of [Formula presented], not yet reported in any diluted magnetic semiconductor system. The films are semiconducting and optically highly transparent.

Original languageEnglish (US)
JournalPhysical Review Letters
Volume91
Issue number7
DOIs
StatePublished - Aug 15 2003

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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