Iron and Chromium as Impurities in Artificial Diamonds.

DOI Web Site 参考文献9件
  • Jia X.
    Institute of Materials Science, University of Tsukuba
  • Hayakawa S.
    Department of Applied Chemistry, Faculty of Engineering, University of Tokyo
  • Ugajin K.
    Department of Applied Chemistry, Faculty of Engineering, University of Tokyo
  • Wakatsuki N.
    Institute of Applied Physics, University of Tsukuba
  • Sugiyama E.
    Institute of Materials Science, University of Tsukuba
  • Takahashi T.
    Institute of Materials Science, University of Tsukuba
  • Ohnishi A.
    Institute of Materials Science, University of Tsukuba
  • Gohshi Y.
    Department of Applied Chemistry, Faculty of Engineering, University of Tokyo
  • Wakatsuki M.
    Institute of Materials Science, University of Tsukuba

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  • Iron and Chromium as Impurities in Arti

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Diamonds were grown in solvents of Fe-Ni-Co, Ni-Fe-Cr and Ni-Fe-Cr-Ti alloys, and analyzed by the method of x-ray fluorescence using synchrotron radiation as the excitation source. Behavior of Fe, for which dissolution in the diamond lattice has hardly been confirmed, is discussed on the basis of point analyses together with concentrations averaged over the whole sample. It is revealed that Fe is dissolved possibly at a concentration of about 1 ppm or less without showing any preference to the growth sector. Cr is thought to be dissolved more hardly than Fe. Concentrations of Some impurity elements are influenced by the presence of Ti, and Cr as well.

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