Structural Study of Phase Transition in Langbeinite-Type K_2Mn_2(SO_4)_3 Crystals
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概要
- 論文の詳細を見る
Accurate crystal structure of K_2Mn_2(SO_4)_3 was determined at several temperatures in the high-temperature phase. It turns out from the split-atom calculation that the SO_4 ion takes two reorientational arrangements as has been implied in the early studies. Thermal vibrations of all the constituent atoms become large with approaching the phase transition temperature. We conclude that the coexistence of the disordered motions and the soft vibrations arises from the short Mn-O distances which govern the driving mechanism of the phase transition.
- 社団法人日本物理学会の論文
- 1995-02-15
著者
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Moriyoshi Chikako
Department Of Materials Science Faculty Of Science Hiroshima University
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ITOH Kazuyuki
Department of Biology, Osaka Medical Center for Cancer and Cardiovascular Diseases
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Ukeda Takaaki
Department of Materials Science, Faculty of Science, Hiroshima University
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Ukeda Takaaki
Department Of Materials Science Faculty Of Science Hiroshima University
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Itoh Kazuyuki
Department Of Biology Osaka Medical Center For Cancer And Cardiovascular Diseases
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