密度修正法による準結晶構造解析の研究  [in Japanese] Structure Analysis of Quasicrystals by Density Modificatton Method  [in Japanese]

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Author(s)

Abstract

A novel density modification method has been applied to phase reconstruction of X-ray single crystal data of quasicrystals. This is based on the low density elimination (LDE) method that is an <I>ab initio</I> structure determination method for crystals in the real space. The location, size andshape of the occupation domains of quasicrystals in the n-dimensional (nD) unit cell are obtained without <I>a prioi</I> model structure. Therefore, the LDE method can be a substitute for the direct method for quasicrystals that are described as nD crystals. The structure solution can easily be found in the trial sets (normally 100 sets) and is confirmed by the subsequent analysis. The result is used as a starting model for constructing a detailed structure model of quasicrystals. The solution of several qusicrystalline structures including a model quasicrystal structure are exemplified.

Journal

  • Nihon Kessho Gakkaishi

    Nihon Kessho Gakkaishi 44(2), 114-120, 2002-04-30

    The Crystallographic Society of Japan

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Codes

  • NII Article ID (NAID)
    10008428164
  • NII NACSIS-CAT ID (NCID)
    AN00188364
  • Text Lang
    JPN
  • Article Type
    REV
  • ISSN
    03694585
  • NDL Article ID
    6130812
  • NDL Source Classification
    ZM46(科学技術--地球科学--岩石・鉱物・鉱床)
  • NDL Call No.
    Z15-138
  • Data Source
    CJP  NDL  J-STAGE 
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