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Carbon doped ZnO (ZnO:C) nanoneedles exhibiting Curie temperature above room temperature were fabricated using ion beam technique. The structural and magnetic properties of the ZnO:C nanoneedles were studied. The magnetic moment of the ZnO:C nanoneedles was found to be around 0.7 ??B per carbon atom. The ZnO:C nanoneedles could be a promising intrinsic diluted magnetic semiconductor.
The undoped and transition metal (TM) -doped AIN (AIN:Cu and AIN:Fe) nanorods on silicon substrates were fabricated using a catalysis-free vapor phase method. All the nanorods exhibited high crystalline quality and preferred c-axis orientation. Room-temperature photoluminescence (PL) measurement revealed that undoped AIN nanorods exhibited strong oxygen-related impurity emission at ~3.25 eV. However,...
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