{"title":"反铁电介质W-358系列中Sm - CA*相相变性质的热力学模型研究","authors":"Abhilasha Singha, Ayushi Rastogib, Shashidhar, Ra, Sudhaker Dixitb","doi":"10.56042/ijpap.v60i8.63315","DOIUrl":null,"url":null,"abstract":"Employing the thermodynamic model which is centred on Landau-de-Gennes theory, the electro-optical properties of the Sm 𝐶 (cid:3002)∗ phase in antiferroelectric mesogen has been studied. The wave vector q, the polarisation vector P, and the couplings between these order parameters are used to express the system's free-energy density. The Landau coefficients involved in the free-energy density have been computed using experimental data of tilt angle and spontaneous polarisation in the Sm 𝐶 (cid:3002)∗ phase of chiral compounds (6F2OBi and 3F5HBM6(S)). Theoretical and experimental data have been compared in investigations","PeriodicalId":209214,"journal":{"name":"Indian Journal of Pure & Applied Physics","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Thermodynamic Model to Study the Phase Transition Properties of Sm CA* Phase in Antiferroelectric Mesogen W-358 Series\",\"authors\":\"Abhilasha Singha, Ayushi Rastogib, Shashidhar, Ra, Sudhaker Dixitb\",\"doi\":\"10.56042/ijpap.v60i8.63315\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Employing the thermodynamic model which is centred on Landau-de-Gennes theory, the electro-optical properties of the Sm 𝐶 (cid:3002)∗ phase in antiferroelectric mesogen has been studied. The wave vector q, the polarisation vector P, and the couplings between these order parameters are used to express the system's free-energy density. The Landau coefficients involved in the free-energy density have been computed using experimental data of tilt angle and spontaneous polarisation in the Sm 𝐶 (cid:3002)∗ phase of chiral compounds (6F2OBi and 3F5HBM6(S)). Theoretical and experimental data have been compared in investigations\",\"PeriodicalId\":209214,\"journal\":{\"name\":\"Indian Journal of Pure & Applied Physics\",\"volume\":\"2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-07-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Indian Journal of Pure & Applied Physics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.56042/ijpap.v60i8.63315\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Indian Journal of Pure & Applied Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.56042/ijpap.v60i8.63315","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Thermodynamic Model to Study the Phase Transition Properties of Sm CA* Phase in Antiferroelectric Mesogen W-358 Series
Employing the thermodynamic model which is centred on Landau-de-Gennes theory, the electro-optical properties of the Sm 𝐶 (cid:3002)∗ phase in antiferroelectric mesogen has been studied. The wave vector q, the polarisation vector P, and the couplings between these order parameters are used to express the system's free-energy density. The Landau coefficients involved in the free-energy density have been computed using experimental data of tilt angle and spontaneous polarisation in the Sm 𝐶 (cid:3002)∗ phase of chiral compounds (6F2OBi and 3F5HBM6(S)). Theoretical and experimental data have been compared in investigations
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