Short-Range Order Full Multiple Scattering Approach to the Polarized K-Edge XANES of Br Doped in Trans-Polyacetylene
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概要
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In this work, we have analysed the Br A-edge XANES of (CHBr,). excited bypolarized X-ray in // c and .ILc directions for three different doping region. In the lowdoping region it is proved that mono-anions exist, and the information about thecharge distribution on carbon chains around the mono-anions is obtained. The max-imal amplitude of the charge density is larger than 0.4. In the intermediate dopingregion ( y=0.0145), the XANES analyses also confirm the model previously proposedby Oyanagi et al., in which polyanions Brl and covalently bonded bromine atomscoexist. From the analysis of E//c XANES, it is concluded that Br.- has largerpolarization approximately shown by Br "'Br"'Br "'than Ij by I "'I"'I "'. In thehigh doping region, there are many possible models more than l0'. In this case the defailed analyses would be impossible.
- 社団法人日本物理学会の論文
- 1986-11-15
著者
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Fujikawa Takayuki
Department Of Organic And Polymeric Materials Tokyo Institute Of Technology:(present Address) Displa
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Oizumi H
Electrotechnical Laboratory
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Oizumi Hiroaki
Faculty Of Engineering Yokohama National University
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TOKUMOTO Madoka
Electrotechnical Laboratory
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Oyanagi Hiroyuki
Electrotechnical Laboratory
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Kuroda Haruo
Department of Chemistry, Faculty of Science, The University of Tokyo
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FUJIKAWA Takashi
Faculty of Engineering,Yokohama National University
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Kuroda H
Institute For Solid State Physics University Of Tokyo
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OYANAGI Hiroyuki
National Institute for Advanced Industrial Science and Technology
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Oyanagi Hiroyuki
Optoelectronics Division Electrotechnical Laboratory
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Kuroda Haruo
Department Of Chemistry Faculty Of Science The University Of Tokyo
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Kurai Hiroyuki
Department Of Organic And Polymeric Materials Tokyo Institute Of Technology
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Oyanagi H
Optoelectronics Division Electrotechnical Laboratory
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Oyanagi Hiroyuki
Electrotech. Lab. Tsukuba
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Kobayashi Hayao
Crest-jst:department Of Chemistry College Of Humanities And Sciences Nihon University:institute For
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Fujikawa Takashi
Faculty Of Engineering Yokohama National University
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Fujikawa Takashi
Faculty Of Agriculture Shizuoka University
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Tokumoto Madoka
Electronics and Photonics Research Institute (EPRI), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8568, Japan
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