Composition and grain size-driven ferroelectric-relaxor crossover in Ba(Zr,Ti)O3 ceramics (Articolo in rivista)

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Label
  • Composition and grain size-driven ferroelectric-relaxor crossover in Ba(Zr,Ti)O3 ceramics (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.2298/PAC0902051C (literal)
Alternative label
  • Cristina Elena Ciomaga; Maria T. Buscaglia; Massimo Viviani; Vincenzo Buscaglia; Liliana Mitoseriu; Paolo Nanni; Carmen Galassi (2009)
    Composition and grain size-driven ferroelectric-relaxor crossover in Ba(Zr,Ti)O3 ceramics
    in Processing and Application of Ceramics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cristina Elena Ciomaga; Maria T. Buscaglia; Massimo Viviani; Vincenzo Buscaglia; Liliana Mitoseriu; Paolo Nanni; Carmen Galassi (literal)
Pagina inizio
  • 51 (literal)
Pagina fine
  • 57 (literal)
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  • http://www.doiserbia.nb.rs/Article.aspx?ID=1820-61310902051C (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 3 (literal)
Rivista
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  • 1-2 (literal)
Note
  • Google Scholar (literal)
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  • Department of Physics, Al. I. Cuza University, Bv. Carol I no. 11, Iasi 700506, Romania Institute of Energetic & Interphases IENI-CNR, Via de Marini 6, Genoa I-16149, Italy Department of Chemical and Process Engineering, Genoa University, P.le Kennedy, I-16129 Genoa, Italy Institute of Science &Technology of Ceramics ISTEC-CNR, Via Granarolo 64, Faenza I-48018, Italy (literal)
Titolo
  • Composition and grain size-driven ferroelectric-relaxor crossover in Ba(Zr,Ti)O3 ceramics (literal)
Abstract
  • First Ba(Zrx Ti1-x )O3 (BZT) ceramics with various compositions prepared by solid state, with high density, ho- mogeneous microstructures and grain sizes in the range (0.7-4) ?m were studied. Besides the dielectric and ferroelectric investigations, First Order Reversal Curves method was employed to describe the changes of the switching properties induced by composition and grain size, related to the ferroelectric-relaxor crossover. The dielectric and ferroelectric data for ceramics with similar grain sizes demonstrated the expected ferroelectric- relaxor crossover induced by increasing x. For a given composition (x = 0.10), the relaxor character increases whit reduction of the grain size. The FORC distribution shows almost zero reversible contribution and well- separated sharp irreversible component for larger grains, while more diffuse distribution with a continuous extension from Ec =0 (reversible) to Ec ?0 (irreversible, switching) is typical for fi ner grains. (literal)
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