Theory of Angle-Resolved X-Ray Photoemission by Multiple Scattering Cluster Method. : IV. Circular Dichroism for Non-Magnetic Systems
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概要
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X-ray circular dichroism in ARXPS spectra is discussed based on multiple scattering cluster method. First we describe the possibility of the circular dichroism for nonmagnetic system without spin-orbit interaction ; Elastic scattering from surrounding atoms play an important role for the circular dichroism in photoemission angular distribution. Spin-orbit interaction gives rise to spin flip scattering in the photoelectron production processes and during the propagation of a photoelectron. When we detect spin polarization, we can measure the circular dichroism even if we have no surrounding atoms because of spin-orbit interaction. When we only measure photoelectron current, such effect cannot be expected. Explicit formulas to include scattering effects from surrounding atoms are given, where spin flip elastic scatterings play an important role. Simple model calculations clearly demonstrate those phenomena.
- 社団法人日本物理学会の論文
- 1994-11-15
著者
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Fujikawa Takashi
Faculty Of Engineering Yokohama National University
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Yimagawa Masaru
Faculty Of Engineering Yokohama National University
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Fujikawa Takashi
Faculty Of Agriculture Shizuoka University
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FUJIKAWA Takashi
Faculty of Engineering, Yokohama National University
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