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Article Dans Une Revue Journal of Magnetism and Magnetic Materials Année : 2009

Properties of the solid solution (1x)Na0.5Bi0.5TiO3–(x)BiFeO3

Résumé

This study shows that remarkable electric and magnetic properties aree ncountered within the (1x)Na0.5Bi0.5TiO3 (NBT)–(x)BiFeO3 (BF) solid solution. Dual ferroelectric and magnetic properties are observed intheBF-rich part of thesolid solution implying intrinsic multiferroic character of the compounds.Inaddition,arelaxationphenomenonisevidencedwithintheoverallcompositional domain of the solid solution. This study emphasizes that in the NBT-rich part, the relaxor behaviour is very similartothatofNBT,whilebeyond x ¼ 0.5, it turns to adifferent mechanism of relaxation probably induced by the presence of oxygen vacancies resulting from the mixed valence of their on cations.

Domaines

Chimie

Dates et versions

hal-00376844 , version 1 (20-04-2009)

Identifiants

Citer

Vincent Dorcet, Pascal Marchet, O. Pena, Gilles Trolliard. Properties of the solid solution (1x)Na0.5Bi0.5TiO3–(x)BiFeO3. Journal of Magnetism and Magnetic Materials, 2009, 321, pp.1762-1766. ⟨10.1016/j.jmmm.2009.02.014⟩. ⟨hal-00376844⟩
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