The effect of the Mn constituent on the electronic structures of Al70Pd22.5(Re1-xMnx)7.5 quasicrystals studied by x-ray absorption and photoemission spectroscopy

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题名:	The effect of the Mn constituent on the electronic structures of Al70Pd22.5(Re1-xMnx)7.5 quasicrystals studied by x-ray absorption and photoemission spectroscopy
作者:	彭維鋒;Pong, Way-faung;Pao, C. W.;Tsai, H. M.;Chiou, J. W.;Tsai, M. H.;Pi, T. W.;Lin, H. J.;Jang, L. Y.;Lee, J. F.;Wang, C. R.;Lin, S. T.;Guo, J. H.
贡献者:	淡江大學物理學系
日期:	2006-01-11
上传时间:	2009-12-31 10:30:30 (UTC+8)
出版者:	Institute of Physics (IOP)
摘要:	X-ray absorption near-edge fine structure (XANES) and valence-band photoelectron spectroscopy (PES) measurements were performed to elucidate the effect of the Mn constituent on the electronic structures of icosahedral (i)-Al70Pd22.5(Re1−xMnx)7.5 quasicrystals (QCs). Pd and Re L3-edge and Al K-edge XANES spectra reveal that the unoccupied Pd 4d, Re 5d and Al 3p states are insensitive to the Mn doping. The valence-band PES and resonant photoemission analysis indicate a marked Mn 3d contribution within ~5 eV of the Fermi level, suggesting that the Mn doping increases the conductivity of i-Al–Pd–Re–Mn QCs.
關聯:	Journal of Physics: Condensed Matter 18(1), pp.265-273
DOI:	10.1088/0953-8984/18/1/019
显示于类别:	[物理學系暨研究所] 期刊論文

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