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Diluted magnetic semiconductor (DMS) nanowires (NWs), Mn-doped CdSe, were successfully prepared in a gold-catalyzed vapor-transport deposition process. It was demonstrated for the first time that upon incorporation of Mn of very limited concentrations, the CdSe NWs exhibited enhanced ferromagnetism at T < 40 K and turned superparamagnetic at relatively high temperatures. This finding would extend the application range of DMS NWs into the biolabeling and bioimaging fields.
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Chen et al. (2008) studied this question.
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