Crystal Structure of Tetragonal YBa_2Cu_<3-δ>Co_δO_<7-γ>(δ=0, 0.3)
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概要
- 論文の詳細を見る
Crystal structures of tetragonal YBa_2Cu_<2.7>Co_<0.3>O_<7-γ> and tetragonal YBa_2Cu_3O_<7-γ> are determined by X-ray and TOF neutron powder diffractometries. Structural parameters are obtained by the Rietveld profile refinement method. In YBa_2Cu_<2.7>Co_<0.3>O_<7-γ> cobalt atoms preferentially occupy one of the copper sites at l a(0 0 0) rather than the 2g(0 0 z) site with z〜0.36. The lattice constants are a=3.8644(2)Å and c=11.7881(9)Å for the quenched YBa_2Cu_3O_<6.15> and a=3.8752(2)Å and c=11.6851(9)Å for the furnace-cooled YBa_2Cu_<2.7>Co_<0.3>O_<6.81>.
- 社団法人応用物理学会の論文
- 1987-10-20
著者
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Kusaba K
Tohoku Univ. Miyagi Jpn
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Kajitani T
Tohoku Univ. Sendai Jpn
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KIKUCHI Masae
Institute for Materials Research,Tohoku University
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SYONO Yasuhiko
Institute for Materials Research,Tohoku University
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KAJITANI Tsuyoshi
Institute for Materials Research, Tohoku University
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HIRABAYASHI Makoto
Institute for Materials Research, Tohoku University
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Kikuchi Masae
Institute For Material Research Tohoku University
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Syono Y
Tohoku Univ. Sendai Jpn
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Someya Yoshiko
Institute For Material Research Tohoku University
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Syono Yasuhiko
Institute For Materials Research Tohoku University
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KUSABA Keiji
Institute for Materials Rsearch, Tohoku University
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Moroishi K
Hoya Corp. Tokyo Jpn
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Hirabayashi Makoto
Institute For Materials Research Tohoku University
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Hirabayashi M
Sony Corp. Tokyo
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Hirabayashi Makoto
Institute For Materials Reseach Tohoku University
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KUSABA Keiji
Institute for Materials Research, Tohoku University
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Kikuchi Masae
Institute for Iron, Steel and Other Metals, Tohoku University
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