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Title: Investigation of the ferroelectric-relaxor crossover in Ce-doped BaTiO3 ceramics by impedance spectroscopy and Raman study
Authors: Curecheriu, Lavinia Petronela
Deluca, Marco
Mocanu, Zina Violeta
Pop, Mihai Valentin
Nica, Valentin
Horchidan, Nadejda
Buscaglia, Maria Teresa
Buscaglia, Vincenzo
VAN BAEL, Marlies 
Mitoseriu, Liliana
Issue Date: 2013
Source: PHASE TRANSITIONS, 86 (7), p. 703-714
Abstract: BaCe (x) Ti1- (x) O-3 (x=0.06, 0.10, and 0.20) solid solutions were prepared via conventional the solid-state reaction and sintered at 1500 degrees C for 4h, resulting in dense single phase ceramics with homogeneous microstructures. The electric field dependence of permittivity of the BaCe (x) Ti1- (x) O-3 ceramics was investigated in detail, together with the ferroelectric-paraelectric phase transition features. A transformation from normal to relaxor ferroelectrics was observed by increasing the Ce concentration. For low-Ce content, a substitution of Ce on both A and B site positions was proposed from the dielectric study and confirmed by Raman analysis.
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ISSN: 0141-1594
e-ISSN: 1029-0338
DOI: 10.1080/01411594.2012.726730
ISI #: 000322151200008
Category: A1
Type: Journal Contribution
Validations: ecoom 2014
Appears in Collections:Research publications

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