Analysis of crystal structure of an Y-Ba-Cu oxide

Yasuyuki Kitano, Kouichi Kifune, Ichiro Mukouda, Hirohiko Kamimura, Junji Sakurai, Yukitomo Komura, Kenichi Hoshino, Morihisa Suzuki, Asao Minami, Yoshiteru Maeno, Masatune Kato, Toshizou Fujita

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15 Citations (Scopus)


Results of the analyses on crystal structure and chemical composition of dark-green crystals mainly found in an Y-Ba-Cu oxide specimen which shows highc superconductivity are reported. Crystal structure is investigated by the electron diffraction method and is determined to be orthorhombic with lattice parameters =1.22 nm, =0.561 nm and =0.714nm, and with a space group Pnma (No. 62) or Pna21 (No. 33). Expected -values are presented and are successfully compared with the X-ray powder diffraction spectrum obtained from this oxide. Chemical composition is analyzed by the EPMA method and is determined to be Y2BaCuO5 for the oxide.

Original languageEnglish
Pages (from-to)L394-L396
JournalJapanese Journal of Applied Physics
Issue number4 A
Publication statusPublished - 1987 Apr


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