Report on Temperature Dependence of Crystal Structure for Samarium Nitrate Having Metastable Phenomena.

  • Kawashima Riki
    Department of Materials Science and Engineering, Muroran Institute of Technology, Muroran 050-8585
  • Sasaki Michio
    Department of Physics, Hokkaido University, Sapporo 060-0810
  • Satoh Shoichi
    X Ray Research Laboratory, RIGAKU Corporation, Akisima, Tokyo 196-8666
  • Isoda Hiroshi
    Department of Materials Science and Engineering, Muroran Institute of Technology, Muroran 050-8585
  • Kino Yukihiro
    X Ray Research Laboratory, RIGAKU Corporation, Akisima, Tokyo 196-8666
  • Shiozaki Yoichi
    Department of Physics, Hokkaido University, Sapporo 060-0810

書誌事項

公開日
2000
DOI
  • 10.1143/jpsj.69.3297
公開者
一般社団法人 日本物理学会

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説明

The crystal structures of samarium nitrate Sm(NO3)36H2O at temperatures 297, 253 and 193 K± 1 K were investigated by single crystal X ray diffraction technique. The crystal symmetry at the temperatures was triclinic with space group P1. The structures were solved by using Fourier techniques. The full matrix least-squares refinement for the structure at 297 K led to the residual factors R=0.016 and Rw=0.026 for 213 variables and 5078 observed independent reflections. The structures at 253 K and 193 K were solved by using the same methods. The influence of the metastable phenomena on the structures was examined in detail.

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