{"title":"Ferroelectric Properties of Chemically Synthesized Perovskite BiFeO3-PbTiO3 Thin Films","authors":"A. Iwata, W. Sakamoto, T. Yogo","doi":"10.1109/ISAF.2007.4393286","DOIUrl":null,"url":null,"abstract":"In this study, we investigated the solid solution of BiFeO<sub>3</sub>-PbTiO<sub>3</sub> (BF-PT) system to improve the structural stability of perovskite phase and to enhance of several properties by using a morphotropic phase boundary (MPB) composition. Perovskite BF-PT single phase thin films were successfully fabricated though the formation of solid solution with PbTiO<sub>3</sub>. Although the electrical resistivity of BF-PT thin films was not sufficiently high at around room temperature, the large ferroelectricity was observed at low temperatures. The 0.7BiFeO<sub>3</sub>-0.3PbTiO<sub>3</sub> thin films exhibited the P<sub>r</sub> value of 60 muC/cm<sup>2</sup> at -190degC.","PeriodicalId":321007,"journal":{"name":"2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics","volume":"26 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAF.2007.4393286","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 10
Abstract
In this study, we investigated the solid solution of BiFeO3-PbTiO3 (BF-PT) system to improve the structural stability of perovskite phase and to enhance of several properties by using a morphotropic phase boundary (MPB) composition. Perovskite BF-PT single phase thin films were successfully fabricated though the formation of solid solution with PbTiO3. Although the electrical resistivity of BF-PT thin films was not sufficiently high at around room temperature, the large ferroelectricity was observed at low temperatures. The 0.7BiFeO3-0.3PbTiO3 thin films exhibited the Pr value of 60 muC/cm2 at -190degC.
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