{"title":"外交流电场定向向列液晶的红外吸收光谱","authors":"N. Kirov, P. Simova, H. Ratajczak","doi":"10.1016/0378-4487(82)80068-X","DOIUrl":null,"url":null,"abstract":"<div><p>The influence of a.c. electric field (5kHz) on the IR and FIR spectra of the nematic phase of some liquid crystals with strong positive dielectric anisotropy ( ε<sub>a</sub>≈ 10 – 20) and weak negative dielectric anisotropy(ε<sub>a</sub>≈ −0,2 – 0,7) was investigated. The changes in the half-widths and integral intensity are explained by means of the changes in the molecular orientation due to the electric field influence.</p></div>","PeriodicalId":100049,"journal":{"name":"Advances in Molecular Relaxation and Interaction Processes","volume":"23 2","pages":"Pages 125-142"},"PeriodicalIF":0.0000,"publicationDate":"1982-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0378-4487(82)80068-X","citationCount":"1","resultStr":"{\"title\":\"IR absorption spectra of nematic liquid crystals oriented by an external a.c. electric field\",\"authors\":\"N. Kirov, P. Simova, H. Ratajczak\",\"doi\":\"10.1016/0378-4487(82)80068-X\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The influence of a.c. electric field (5kHz) on the IR and FIR spectra of the nematic phase of some liquid crystals with strong positive dielectric anisotropy ( ε<sub>a</sub>≈ 10 – 20) and weak negative dielectric anisotropy(ε<sub>a</sub>≈ −0,2 – 0,7) was investigated. The changes in the half-widths and integral intensity are explained by means of the changes in the molecular orientation due to the electric field influence.</p></div>\",\"PeriodicalId\":100049,\"journal\":{\"name\":\"Advances in Molecular Relaxation and Interaction Processes\",\"volume\":\"23 2\",\"pages\":\"Pages 125-142\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1982-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0378-4487(82)80068-X\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Advances in Molecular Relaxation and Interaction Processes\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/037844878280068X\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Molecular Relaxation and Interaction Processes","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/037844878280068X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
IR absorption spectra of nematic liquid crystals oriented by an external a.c. electric field
The influence of a.c. electric field (5kHz) on the IR and FIR spectra of the nematic phase of some liquid crystals with strong positive dielectric anisotropy ( εa≈ 10 – 20) and weak negative dielectric anisotropy(εa≈ −0,2 – 0,7) was investigated. The changes in the half-widths and integral intensity are explained by means of the changes in the molecular orientation due to the electric field influence.