The effect of nitrogen incorporation on the magnetic properties of carbon-doped ZnO
The effect of nitrogen incorporation on the magnetic properties of carbon-doped ZnO
复制标题
氮掺入对碳掺杂ZnO磁性能的影响
DOI:
10.1088/0022-3727/41/15/155005
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发表时间:
2008-08
影响因子:
3.4
通讯作者:
Ye, X.J.
中科院分区:
文献类型:
--
作者:
Yang, Z.X.;Qi, X.S.;Jin, C.Q.;Song, H.A.;Au, C.T.;Xu, M.H.;Zhong, W.;Du, Y.W.;Ye, X.J.
Samples of carbon-doped ZnO powders were prepared by the standard solid-state reaction method and sintered separately in argon and nitrogen atmospheres. According to the results of Raman spectroscopic investigation, the samples sintered in nitrogen showed lower D-bond (disordered) and G-bond (graphitic) concentrations, plausibly a result of nitrogen incorporation into the carbon-doped ZnO sample. All the samples are ferromagnetic at room temperature, and compared with those sintered in argon, those sintered in nitrogen have a lower magnetic moment. We found that the electrons-mediated mechanism is more suitable than the holes-mediated one for the explanation of ferromagnetism of carbon-doped ZnO materials.
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