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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 HARDY, An 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. | Document URI: | http://hdl.handle.net/1942/15797 | 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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