Anomalies in the slow polarization kinetics of a ferroelectric relaxor in the temperature region of a diffuse phase transition
Autor(en): | Gladkii, VV Kirikov, VA Pronina, EV Volk, TR Pankrath, R Wolecke, M |
Stichwörter: | Physics; Physics, Condensed Matter; RELAXATION; STRONTIUM BARIUM NIOBATE | Erscheinungsdatum: | 2001 | Herausgeber: | AMER INST PHYSICS | Enthalten in: | PHYSICS OF THE SOLID STATE | Band: | 43 | Ausgabe: | 11 | Startseite: | 2140 | Seitenende: | 2145 | Zusammenfassung: | It is shown experimentally in the specific example of Cr-doped barium-strontium niobate that the anomalies in the infralow-frequency dielectric properties characteristic of a ferroelectric relaxor persist over the whole temperature region of the diffuse phase transition and decrease gradually with increasing temperature. Experimental data are presented on the anomalous quasi-static dielectric hysteresis loops, the slow polarization kinetics, and the anomalously broad energy-distribution spectra of potential barriers. The anomalies are a signature and a quantitative measure of the structural disorder typical of a relaxor. (C) 2001 MAIK ``Nauka/Interperiodica''. |
ISSN: | 10637834 | DOI: | 10.1134/1.1417195 |
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geprüft am 07.06.2024