{"title":"铌酸钡钠晶体中散斑场的各向异性","authors":"S. Ivanova","doi":"10.1109/ISAF.1994.522489","DOIUrl":null,"url":null,"abstract":"The dependence of the speckle-field in Ba/sub 2/NaNb/sub 5/O/sub 15/ crystals in laser beam on the orientation of the crystals, temperature and direction of growing was investigated. The different pattern of scattering along the a and c axis make it possible to unambiguously determine the direction of the ferroelectric axis in the crystal, while abrupt change in the nature of scattering with a ferroelectric phase transition makes it possible to determine the Curie point.","PeriodicalId":20488,"journal":{"name":"Proceedings of 1994 IEEE International Symposium on Applications of Ferroelectrics","volume":"188 1","pages":"781-783"},"PeriodicalIF":0.0000,"publicationDate":"1994-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Anisotropy of speckle-field in barium-sodium niobate crystals\",\"authors\":\"S. Ivanova\",\"doi\":\"10.1109/ISAF.1994.522489\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The dependence of the speckle-field in Ba/sub 2/NaNb/sub 5/O/sub 15/ crystals in laser beam on the orientation of the crystals, temperature and direction of growing was investigated. The different pattern of scattering along the a and c axis make it possible to unambiguously determine the direction of the ferroelectric axis in the crystal, while abrupt change in the nature of scattering with a ferroelectric phase transition makes it possible to determine the Curie point.\",\"PeriodicalId\":20488,\"journal\":{\"name\":\"Proceedings of 1994 IEEE International Symposium on Applications of Ferroelectrics\",\"volume\":\"188 1\",\"pages\":\"781-783\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-08-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of 1994 IEEE International Symposium on Applications of Ferroelectrics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISAF.1994.522489\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 1994 IEEE International Symposium on Applications of Ferroelectrics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAF.1994.522489","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Anisotropy of speckle-field in barium-sodium niobate crystals
The dependence of the speckle-field in Ba/sub 2/NaNb/sub 5/O/sub 15/ crystals in laser beam on the orientation of the crystals, temperature and direction of growing was investigated. The different pattern of scattering along the a and c axis make it possible to unambiguously determine the direction of the ferroelectric axis in the crystal, while abrupt change in the nature of scattering with a ferroelectric phase transition makes it possible to determine the Curie point.
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