{"title":"PFW-PT固溶体的本征磁电耦合","authors":"B. Fraygola, J. Eiras","doi":"10.1109/ISAF.2012.6297821","DOIUrl":null,"url":null,"abstract":"Multiferroic solid solutions between Pb(Fe<sub>2/3</sub>W<sub>1/3</sub>)O<sub>3</sub> (PFW) and PbTiO<sub>3</sub> (PT) [PFW-PT] have been characterized by anelastic measurements. Anomalies in the temperature dependence of the elastic constants have been observed at T<sub>N</sub> and T<sub>C</sub> for all samples, indicating that the magnetoelectric coupling (ME) between the ferroelectric and antiferromagnetic orders occurs “via strain”. A numerical approximation for the ME coefficients was obtained from the eletroelastic and magnetoelastic coefficients and the values of electric and magnetic susceptibility. These coefficients are greater the closer the temperatures of AFM and FE orders are with each other.","PeriodicalId":20497,"journal":{"name":"Proceedings of ISAF-ECAPD-PFM 2012","volume":"63 1","pages":"1-4"},"PeriodicalIF":0.0000,"publicationDate":"2012-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Intrinsic magnetoelectric coupling in PFW-PT solid solutions\",\"authors\":\"B. Fraygola, J. Eiras\",\"doi\":\"10.1109/ISAF.2012.6297821\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Multiferroic solid solutions between Pb(Fe<sub>2/3</sub>W<sub>1/3</sub>)O<sub>3</sub> (PFW) and PbTiO<sub>3</sub> (PT) [PFW-PT] have been characterized by anelastic measurements. Anomalies in the temperature dependence of the elastic constants have been observed at T<sub>N</sub> and T<sub>C</sub> for all samples, indicating that the magnetoelectric coupling (ME) between the ferroelectric and antiferromagnetic orders occurs “via strain”. A numerical approximation for the ME coefficients was obtained from the eletroelastic and magnetoelastic coefficients and the values of electric and magnetic susceptibility. These coefficients are greater the closer the temperatures of AFM and FE orders are with each other.\",\"PeriodicalId\":20497,\"journal\":{\"name\":\"Proceedings of ISAF-ECAPD-PFM 2012\",\"volume\":\"63 1\",\"pages\":\"1-4\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-07-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of ISAF-ECAPD-PFM 2012\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISAF.2012.6297821\",\"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 ISAF-ECAPD-PFM 2012","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAF.2012.6297821","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Intrinsic magnetoelectric coupling in PFW-PT solid solutions
Multiferroic solid solutions between Pb(Fe2/3W1/3)O3 (PFW) and PbTiO3 (PT) [PFW-PT] have been characterized by anelastic measurements. Anomalies in the temperature dependence of the elastic constants have been observed at TN and TC for all samples, indicating that the magnetoelectric coupling (ME) between the ferroelectric and antiferromagnetic orders occurs “via strain”. A numerical approximation for the ME coefficients was obtained from the eletroelastic and magnetoelastic coefficients and the values of electric and magnetic susceptibility. These coefficients are greater the closer the temperatures of AFM and FE orders are with each other.
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