Temperature evolution of the dielectric response function of Pb(Fe0.95Sc0.05)2/3W1/3O3 relaxor ceramics in a wide frequency range

Temperature evolution of the dielectric response function of Pb(Fe0.95Sc0.05)2/3W1/3O3 relaxor ceramics in a wide frequency range

Electrodynamic properties of Pb(Fe 0.95 Sc 0.05 ) 2/3 W 1/3 O 3 solid solution belonging to A(B'B'')O 3 perovskite structural family have been investigated by broadband dielectric spectroscopy in a wave-number range of (4 × 10 –9 –4 × 10 3 ) cm –1 and a temperature range of 100–600 K....

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Veröffentlicht in:Physics of the solid state 2017-12, Vol.59 (12), p.2365-2373
Hauptverfasser: Komandin, G. A., Porodinkov, O. E., Bush, A. A., Koroleva, A. F., Spektor, I. E., Chuchupal, S. V., Seregin, D. S., Iskhakova, L. D.
Format: Artikel
Sprache:eng
Schlagworte:
Broadband
Dielectric relaxation
Ferroelectricity
Physics
Physics and Astronomy
Response functions
Solid State Physics
Wave dispersion
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Zusammenfassung:Electrodynamic properties of Pb(Fe 0.95 Sc 0.05 ) 2/3 W 1/3 O 3 solid solution belonging to A(B'B'')O 3 perovskite structural family have been investigated by broadband dielectric spectroscopy in a wave-number range of (4 × 10 –9 –4 × 10 3 ) cm –1 and a temperature range of 100–600 K. The influence of low-frequency relaxations on the vibrational spectrum is determined within the four-parameter factorized dispersion model. Anomalies in the behavior of the dielectric response function are found near the temperature-diffuse maximum of permittivity.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783417120216