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Yttrium Iron Garnet/Barium Titanate Multiferroic Composites

AutorSchileo, Giorgio; Pascual González, Cristina; Algueró, Miguel ; Reaney, Ian M.; Postolache, Petronel; Mitoseriu, Liliana; Reichmann, Klaus; Feteira, Antonio
Palabras claveMagnetoelectric response
Magnetic phasis
Dense ceramics
Yttrium compounds
X ray diffraction
Solid state reactions
Scanning electron microscopy
Garnets
Ferrimagnetism
Coprecipitation
Multiferroic composites
Solid state reaction method
Barium compounds
Well-dispersed
X-ray diffraction data
Yttrium iron garnets
Fecha de publicación2016
EditorAmerican Ceramic Society
CitaciónJournal of American Ceramic Society 99: 1609- 1614 (2016)
Resumen[EN] Dense multiferroic 0-3 type composites encompassing BaTiO and YFeO were fabricated by the solid-state reaction method. X-ray diffraction data combined with scanning electron microscopy imaging show virtual immiscibility between the two phases, with the YFeO ferrimagnetic phase well dispersed in the tetragonal BaTiO ferroelectric matrix. Raman spectroscopy analyses corroborate the polar nature of the BaTiO matrix in composites with a YFeO content as great as 40 wt%. Ferrimagnetism is detected in all composites and no additional magnetic phases are distinguished. Although these dense ceramics can be electrically poled, they exhibit a very weak magnetoelectric response, which slightly increases with YFeO content.
URIhttp://hdl.handle.net/10261/142747
DOI10.1111/jace.14131
Identificadoresdoi: 10.1111/jace.14131
issn: 0002-7820
e-issn: 1551-2916
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