Kazuki Kikuchi, M. Kobune, T. Kikuchi, T. Migita, Y. Haruna, S. Yae, N. Fukumuro
{"title":"Structural, Magnetic and Electric Characteristics of Multiferroic CoFe2O4/BNEuT Composite Thin Films Produced by Non-aqueous Sol-gel Process","authors":"Kazuki Kikuchi, M. Kobune, T. Kikuchi, T. Migita, Y. Haruna, S. Yae, N. Fukumuro","doi":"10.14723/TMRSJ.43.105","DOIUrl":null,"url":null,"abstract":"Ferromagnetic cobalt ferrite (CoFe2O4) thin films for magnetoelectric multiferroic applications were synthesized on (Bi3.25Nd0.65Eu0.10)Ti3O12/Nb:TiO2 substrates at reaction temperatures of 140190C using a non-aqueous sol-gel process. The magnetic properties of the films were measured, and the sample synthesized at 180C was found to exhibit the highest residual magnetization and coercivity of 1.5 emu/g and 134 Oe, respectively. The ferroelectric properties of all samples were similar, with a large remanent polarization of 5867 C/cm and a coercive field of 421462 kV/cm, regardless of the reaction temperature. Based on its magnetic and ferroelectric properties, the sample synthesized at 180C has potential as a practical multiferroic material.","PeriodicalId":23220,"journal":{"name":"Transactions-Materials Research Society of Japan","volume":"49 1","pages":"105-108"},"PeriodicalIF":0.0000,"publicationDate":"2018-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transactions-Materials Research Society of Japan","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14723/TMRSJ.43.105","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
Ferromagnetic cobalt ferrite (CoFe2O4) thin films for magnetoelectric multiferroic applications were synthesized on (Bi3.25Nd0.65Eu0.10)Ti3O12/Nb:TiO2 substrates at reaction temperatures of 140190C using a non-aqueous sol-gel process. The magnetic properties of the films were measured, and the sample synthesized at 180C was found to exhibit the highest residual magnetization and coercivity of 1.5 emu/g and 134 Oe, respectively. The ferroelectric properties of all samples were similar, with a large remanent polarization of 5867 C/cm and a coercive field of 421462 kV/cm, regardless of the reaction temperature. Based on its magnetic and ferroelectric properties, the sample synthesized at 180C has potential as a practical multiferroic material.
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