Reinvestigation of Low-Temperature Phase Transitions in Rb_2ZnBr_4
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概要
- 論文の詳細を見る
Low-temperature phase transitions in Rb_2ZnBr_4 single crystal were reinvestigated by means of neutron and X-ray diffractions. Below 116 K some superlattice reflections appeared at the same position (h/2, k/2, 0) as in other members of Rb_2ZnCl_4 group crystals, where h and k denote the Miller indices in the normal phase (space group Pmcn). The temperature dependence of the integrated intensity of the superlattice reflection changed below 78 K. However, the anomaly around 50 K reported previously was not observed. Below 116 K an incommensurate phase as reported for K_2ZnCl_4 was not detected. The space group of phase between 78 and 116 K was directly confirmed to be C1c1 by the verification of extinction rules of X-ray diffraction.
- 社団法人日本物理学会の論文
- 1994-05-15
著者
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Kasatani Hirofumi
Department of Physics, Kwansei Gakuin University
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Terauchi Hikaru
Department of Physics, Kwansei Gakuin University
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KASANO Hironobu
Department of Physics,School of Science
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Terauchi H
Kwansei Gakuin Univ. Sanda Jpn
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Terauchi Hikaru
Advanced Research Center Of Science School Of Science And Technology Kwansei Gakuin University
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Terauchi Hikaru
Department Of Physics Kwansei-gakuin University
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Terauchi Hikaru
Department Of Physics School Of Science Kwansei-gakuin University
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IWATA Yutaka
Research Reactor Institute,Kyoto University
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SHIGEMATSU Hirotake
Department of Quantum Engineering,Graduate School of Engineering,Nagoya University
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MASHIYAMA Hiroyuki
Department of Physics,Faculty of Science,Yamaguchi University
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Mashiyama Hiroyuki
Department Of Physics Biology And Informatics Faculty Of Science Yamaguchi University
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Mashiyama Hiroyuki
Department Of Physics Yamaguchi University
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Shigematsu Hirotake
Faculty Of Education Shimane University
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Shigematsu Hirotake
Department Of Quantum Engineering Graduate School Of Engineering Nagoya University
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Iwata Yutaka
Research Reactor Institute Kyoto University
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Mashiyama H
Faculty Of Science Yamaguchi University
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KASANO Hironobu
Faculty of Science, Yamaguchi University
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Kasano Hironobu
Department Of Physics Faculty Of Science Yamaguchi University
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Kasatani Hirofumi
Department Of Material Science Shizuoka Institute Of Science And Technology
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Terauchi Hikaru
Department Of Phisics Kwansei-gakuin University
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Terauchi Hikaru
Department of Physics, Kwansei-Gakuin University
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