Observation of Glassy Ferromagnetism in Al-Doped 4H-SiC

Observation of Glassy Ferromagnetism in Al-Doped 4H-SiC

Glassy ferromagnetism is observed in diluted magnetic semiconductor Al-doped 4H-SiC. We propose a possible explanation for the origin of ferromagnetism order that is the coeffect of sp2/sp3 configuration along with the structural defects. This result unambiguously demonstrates the existence of intri...

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Veröffentlicht in:Journal of the American Chemical Society 2009-02, Vol.131 (4), p.1376-1377
Hauptverfasser: Song, Bo, Bao, Huiqiang, Li, Hui, Lei, Ming, Peng, Tonghua, Jian, Jikang, Liu, Jun, Wang, Wanyan, Wang, Wenjun, Chen, Xiaolong
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Sprache:eng
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Zusammenfassung:Glassy ferromagnetism is observed in diluted magnetic semiconductor Al-doped 4H-SiC. We propose a possible explanation for the origin of ferromagnetism order that is the coeffect of sp2/sp3 configuration along with the structural defects. This result unambiguously demonstrates the existence of intrinsic ferromagnetism order in nonmagnetic sp systems.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja808507f