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Author: search.filters.author.Prasatkhetragarn, AnurakSubject: search.filters.subject.C. Ferroelectric properties

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    Ferroelectromagnetic characteristic of Na-doped 0.75BiFeO 3-0.25BaTiO3 multiferroic ceramics
    (2013-05-01)
    Prasatkhetragarn, Anurak
    ;
    Arthan, Ammaruta
    ;
    Jantaratana, Pongsakorn
    ;
    Vittayakorn, Naratip
    ;
    Yotburut, Benjaporn
    BiFeO<inf>3</inf>-based materials are expected to have both ferroelectricity and ferromagnetism simultaneously. In this study, effects of Na-doping (0.5, 1.0, 3.0, and 5.0 mol%) on ferromagnetic and ferroelectric properties of 0.75BiFeO<inf>3</inf>-0.25BaTiO<inf>3</inf> ceramics which have been fabricated by the solid state reaction technique are studied. The effects of Na-doped 0.75BiFeO<inf>3</inf>-0.25BaTiO<inf>3</inf> ceramics on the crystal structure, and magnetic and electrical properties were investigated and discussed. Rhombohedrally distorted 0.75BiFeO<inf>3</inf>-0.25BaTiO<inf>3</inf> showed weak ferromagnetic and ferroelectric properties. In addition, ferroelectric and ferromagnetic properties of 0.75BiFeO<inf>3</inf>-0. 25BaTiO<inf>3</inf> have been controlled by Na doping, and the maximum values of magnetization and polarization were observed at 5.0 mol%. © 2012 Elsevier Ltd and Techna Group S.r.l.