X-ray spectroscopic study of the charge state and local ordering of room-temperature ferromagnetic Mn-doped ZnO

淡江大學機構典藏 > 理學院 > 物理學系暨研究所 > 期刊論文 > Item 987654321/27620

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题名:	X-ray spectroscopic study of the charge state and local ordering of room-temperature ferromagnetic Mn-doped ZnO
作者:	張經霖;Chang, C. L.
贡献者:	淡江大學物理學系
日期:	2007-05-02
上传时间:	2009-12-31 10:30:33 (UTC+8)
出版者:	Institute of Physics (IOP)
摘要:	The charge state and local ordering of Mn doped into a pulsed laser deposited single-phase thin film of ZnO are investigated by using x-ray absorption spectroscopy at the O K-edge, Mn K-edge and L-edge, and x-ray emission spectroscopy at the O K-edge and Mn L-edge. This film is ferromagnetic at room temperature. EXAFS measurement shows that Mn2+ replaces the Zn site in tetrahedral symmetry, and there is no evidence for either metallic Mn or MnO in the film. Upon Mn doping, the top of O 2p valence band extends into the bandgap, indicating additional charge carriers being created.
關聯:	Journal of Physics: Condensed Matter 19(17), pp.172202(7pages)
DOI:	10.1088/0953-8984/19/17/172202
显示于类别:	[物理學系暨研究所] 期刊論文

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