{"title":"PVDF及其与PMMA共混物铁电开关的超分子结构及电荷注入条件的依赖性","authors":"A. Becker, M. Stein, B. Jungnickel","doi":"10.1109/ISAF.1994.522372","DOIUrl":null,"url":null,"abstract":"PVDF is a semicrystalline polymer with very interesting ferroelectric, pyroelectric and piezoelectric properties. It is the aim of the present paper to prove the importance of the amorphous phase for the strength of the respective activity coefficients. To this end, the structure and the dynamics of this particular phase is varied by blending with PMMA and by suitable annealing. It will be shown that the electric efficiency is governed to a large extent by the type, the number, the mobility, and the properties of trapping sites of injected charges which migrate through, and reside in, the amorphous phase.","PeriodicalId":20488,"journal":{"name":"Proceedings of 1994 IEEE International Symposium on Applications of Ferroelectrics","volume":"49 1","pages":"341-344"},"PeriodicalIF":0.0000,"publicationDate":"1995-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":"{\"title\":\"Dependence on supermolecular structure and on charge injection conditions of ferroelectric switching of PVDF and its blends with PMMA\",\"authors\":\"A. Becker, M. Stein, B. Jungnickel\",\"doi\":\"10.1109/ISAF.1994.522372\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"PVDF is a semicrystalline polymer with very interesting ferroelectric, pyroelectric and piezoelectric properties. It is the aim of the present paper to prove the importance of the amorphous phase for the strength of the respective activity coefficients. To this end, the structure and the dynamics of this particular phase is varied by blending with PMMA and by suitable annealing. It will be shown that the electric efficiency is governed to a large extent by the type, the number, the mobility, and the properties of trapping sites of injected charges which migrate through, and reside in, the amorphous phase.\",\"PeriodicalId\":20488,\"journal\":{\"name\":\"Proceedings of 1994 IEEE International Symposium on Applications of Ferroelectrics\",\"volume\":\"49 1\",\"pages\":\"341-344\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1995-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"8\",\"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.1994.522372\",\"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.1994.522372","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dependence on supermolecular structure and on charge injection conditions of ferroelectric switching of PVDF and its blends with PMMA
PVDF is a semicrystalline polymer with very interesting ferroelectric, pyroelectric and piezoelectric properties. It is the aim of the present paper to prove the importance of the amorphous phase for the strength of the respective activity coefficients. To this end, the structure and the dynamics of this particular phase is varied by blending with PMMA and by suitable annealing. It will be shown that the electric efficiency is governed to a large extent by the type, the number, the mobility, and the properties of trapping sites of injected charges which migrate through, and reside in, the amorphous phase.
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