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Title

Metastable nature of donor-doped BiFeO3 obtained by mechanochemical synthesis

AuthorsBernardo, M. S. ; Jardiel, Teresa ; Peiteado, Marco ; Caballero Cuesta, Amador
KeywordsMultiferroics
BiFeO3
Nanoparticles
Mechanosynthesis
Transmission electron microscopy
Issue Date2016
CitationNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan 124: 92- 97 (2016)
Abstract[EN] Nb or W donor-doped powders were synthesized by applying a mechanochemical synthesis route, in an attempt to improve the multiferroic properties of BiFeO3 based materials. The as-synthesized samples evidence a highly efficient incorporation of Nb or W into the BiFeO perovskite lattice, together with a low presence of secondary phases. The relatively high purity of the mechanosynthetized products is even more appealing when it is compared with the multiphase scenario obtained by a mixed oxides route for these compositions. This confirms this technique as a good alternative to conventional solid state processing; however the thermal evolution of the as-prepared powders also reveals a metastable nature of the synthesized phases which upon an external energy input leads to an unwelcome multiphase system.
Publisher version (URL)http://dx.doi.org/10.2109/jcersj2.15191
URIhttp://hdl.handle.net/10261/211429
Identifiersdoi: 10.2109/jcersj2.15191
e-issn: 1348-6535
issn: 1882-0743
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