High-Tc ferromagnetism in a Co-doped ZnO system dominated by the formation of a zinc-blende type Co-rich ZnCoO phase

The modulation of the distribution of magnetic ions embedded in the host is crucial for the functionality of dilute magnetic semiconductors. Through an element-specific structural characterization, we observe the formation and enhancement of an unrevealed Co-doped ZnO phase and consequently magnetic...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2012-01, Vol.48 (1), p.91-93
Hauptverfasser: Zhang, Lin-Juan, Wang, Jian-Qiang, Li, Jiong, Zhou, Jing, Cai, Wu-Peng, Cheng, Jie, Xu, Wei, Yin, Guangzhi, Wu, Xiang, Jiang, Zheng, Zhang, Shuo, Wu, Zi-Yu
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Sprache:eng
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Zusammenfassung:The modulation of the distribution of magnetic ions embedded in the host is crucial for the functionality of dilute magnetic semiconductors. Through an element-specific structural characterization, we observe the formation and enhancement of an unrevealed Co-doped ZnO phase and consequently magnetic properties from paramagnetism to ferromagnetism are controlled by surface-modification.
ISSN:1359-7345
1364-548X
DOI:10.1039/c1cc15622e