Temperature Variations of Optical Indicatrix and Birefringence in Ferroelectric CsH_2PO_4

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概要

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• The principal values and the rotation angle of the optical indcatrix and theoptical birefringence of CsH,PG. have been measured at 589 nm as a functionof temperature both in the paraelectric and the ferroelectric phases. The principalvalues arc found to be n.=1.5O9, o,=l.515 and 77,=1.533 at room temperature,where n. is the value parallel to the Z>-axis. Rotation of the optical indicatrix withtemperature about the Z>-axis is within 1 ' between 100 K and 300 K. The spon-taneous birefringence determined for (010) plate by the usual procedure reachesa maximum at about 15 K below T., then becomes negative with decreasingtemperature. Similar behavior is found for (100) plate. It is found that theseanomalous behaviors of the spontaneous birefringence arc caused by the similaranomalous behavior in the spontaneous strain through the elastooptic coupling.

• 社団法人日本物理学会の論文
• 1984-09-15

著者

• Ushio Satoshi

  Department Of Materials Science Faculty Of Science Hiroshima University:shin-etsu Handotai Co

• USHIO Satoshi

  Department of Materials Science,Faculty of Science,Hiroshima University:Shin-Etsu Handotai Co

関連論文

• The Anomalous Behavior of the Coercive Field in Lossy KH_2PO_4
• Dilatometric Study of the Phase Transition of Quasi-One-Dimensional Ferroelectric CsH_2PO_4
• Ferroelectric Domain Formation in Short Circuited KH_2PO_4
• Dielectric Properties of Lossy KH_2PO_4 Crystals : APPLICATIONS AND FUNDAMENTALS
• Birefringence of Ferroelectric Cesium Dihydrogen Phosphate, CsH_2PO_4
• Temperature Variations of Optical Indicatrix and Birefringence in Ferroelectric CsH_2PO_4

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