LaCl_3およびLaOClの高温La-L_<III> XAFS解析 High Temperature La-L_<III> XAFS Analysis of LaCl_3 and LaOCl

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Abstract

<p>The local structures of molten LaCl<sub>3</sub> and solid LaOCl at elevated temperatures were deduced from radial distribution analyses through La-L<sub>III</sub> absorption-edge XAFS technique. The nearest neighbor La-Cl distance and the coordination number of Cl around La in molten LaCl<sub>3</sub> have so far been reported to be about 0.28 nm and nearly equal to 6 from the X-ray diffraction analysis. But the coordination number of Cl around La was evaluated at about 7 according to XAFS technique. By comparing the above results, the local structure of molten LaCl<sub>3</sub> was considered whether it would be described as an octahedral-like coordination scheme where La was surrounded by about six to seven Cl's or the distinct schemes. A similar discussion was made on LaOCl with less solubility against molten salts.</p>

Journal

  • Electrochemistry

    Electrochemistry 73(8), 710-714, 2005-08-05

    The Electrochemical Society of Japan

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Codes

  • NII Article ID (NAID)
    10015419113
  • NII NACSIS-CAT ID (NCID)
    AN00151637
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    13443542
  • NDL Article ID
    7445698
  • NDL Source Classification
    ZP1(科学技術--化学・化学工業)
  • NDL Call No.
    Z17-14
  • Data Source
    CJP  NDL  J-STAGE 
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