{"title":"Rayleigh and Brillouin Scattering in RbH 3 (SeO 3 ) 2 near the Phase Transition Temperature","authors":"A. Sakai, T. Yagi","doi":"10.1143/JPSJ.52.2544","DOIUrl":null,"url":null,"abstract":"Rayleigh and Brillouin scattering spectra of RbH 3 (SeO 3 ) 2 have been observed around the phase transition temperature T C . The temperature dependence of the Brillouin frequency shifts shows a small anomaly near T C in all three principal directions. The sound-velocity dispersion is found only in the c 55 transverse mode. The intensity of the Rayleigh component is insensitive to temperature even just near T C . The existence of dynamic clusters above T C is discussed and its characteristic frequency is roughly estimated, while static clusters are concluded not to exist in the same temperature region.","PeriodicalId":269857,"journal":{"name":"Tokyo Sugaku Kaisya Zasshi","volume":"82 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1983-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Tokyo Sugaku Kaisya Zasshi","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1143/JPSJ.52.2544","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
Rayleigh and Brillouin scattering spectra of RbH 3 (SeO 3 ) 2 have been observed around the phase transition temperature T C . The temperature dependence of the Brillouin frequency shifts shows a small anomaly near T C in all three principal directions. The sound-velocity dispersion is found only in the c 55 transverse mode. The intensity of the Rayleigh component is insensitive to temperature even just near T C . The existence of dynamic clusters above T C is discussed and its characteristic frequency is roughly estimated, while static clusters are concluded not to exist in the same temperature region.
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