Crystal Structure of Ferroelectric RbDSO_4 in the Paraelectric Phase
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概要
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We determined the crystal structure of RbDSO.t in the paraelectric phase by X-ray diffractionstudy. The strtucture is isornorphous to the paraelectric strtrcttrre of trndetmterated RbHSO,t.There are two kinds of RbDSOj rnolecules irx the unit cell. One of the S0.j ions takes disorderedtnolecular arrangements. Both kinds of the D atorns are located acentrically in the hydrogenbonds and combine the ordered and disordered 804 ions, respectively. The D atorn cornbiningthe disordered SO,j ton executes very large thernaal vibrations and its nature can be understoodby the riding model, in which the D atonu displaces in phase with the disordered motion of thecloser SO,j Ton.
- 社団法人日本物理学会の論文
- 1997-07-15
著者
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Itoh Kazuyuki
Department Of Biology Osaka Medical Center For Cancer And Cardiovascular Diseases
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Fuchigami Makoto
Department of Materials Science,Faculty of Science,Hiroshima University
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Fuchigami Makoto
Department Of Materials Science Faculty Of Science Hiroshima University
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