Characterization of Single Crystals of High-T_c Superconductor La_<2-x>Sr_xCuO_4

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概要

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• High-angle double-crystal X-ray diffractometry (HADOX) has been applied to examine the quality of La_<2-x>Sr_xCuO_4 crystals grown by the travelling-solvent floating-zone method. The two-dimensional intensity distribution in reciprocal space is measured for 0014 and 400 with CoKα_1 radiation in a temperature range 60-260 K. The temperature dependence of the lattice constants is also measured. It is found that the crystal consists of grains or regions with different chemical compositions (Δx≃0.01), and that the corresponding crystallographic axes in different grains are parallel. A tetragonal-to-orthorhombic phase transition is reflected in changes in the crystal orientation, peak splittings and lattice constants as functions of temperature.

• 社団法人応用物理学会の論文
• 1993-11-15

著者

• 山田 弘司

  核融合科学研究所

• Yamada Hiroshi

  Department of Analytical Chemistry, Faculty of Pharmaceutical Sciences, Toho University

• SOEJIMA YUJI

  Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University

• 山田 啓文

  京都大学工学研究科電子工学専攻

• Tanaka I

  Optoelectronics Technology Research Lab.(otl) Ibaraki

• Hamada Y

  Nagoya Municipal Industrial Res. Inst. Nagoya Jpn

• OKAZAKI Atsushi

  Department of Anesthesiology, Juntendo University Shizuoka Hospital

• Okazaki Ai

  Department Of Physics And Electronics Osaka Prefecture University

• Okazaki A

  Osaka Prefecture Univ. Osaka Jpn

• Okazaki Atsushi

  Department Of Physics Kyushu University

• Okazaki Atsushi

  Department Of Anesthesiology Juntendo University Shizuoka Hospital

• Kojima H

  Hitachi Ltd. Tokyo Jpn

• Kojima Hironao

  Institute Of Inorganic Synthesis Faculty Of Engineering Yamanashi University

• Tanaka Isao

  Institute of Inorganic Synthesis, Faculty of Engineering, Yamanashi University

• Tanaka I

  Department Of Materials Science And Engineering Kyoto University

• Soejima Y

  Department Of Physics Kyushu University

• Soejima Yuji

  Department Of Physics Kyushu University

• AOMINE Nobutaka

  Department of Physics, Kyushu University

• Tanaka I

  Hokkaido Univ. Sapporo Jpn

• Tanaka Isao

  Institute Of Inorganic Synthesis Faculty Of Engineering Yamanashi University

• Aomine Nobutaka

  Department Of Physics Kyushu University

• Soejima Yuji

  Department Of Gastroenterological Surgery National Kyushu Cancer Center

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