Temperature evolution of the dielectric response function of Pb(Fe<Subscript>0.95</Subscript>Sc<Subscript>0.05</Subscript>)<Subscript>2/3</Subscript>W<Subscript>1/3</Subscript>O<Subscript>3</Subscript> relaxor ceramics in a wide frequency range期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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

Authors:	G. A. Komandin O. E. Porodinkov A. A. Bush A. F. Koroleva I. E. Spektor S. V. Chuchupal D. S. Seregin L. D. Iskhakova

Affiliation:	1.Prokhorov General Physics Institute,Russian Academy of Sciences,Moscow,Russia;2.Moscow Technological University (MIREA),Moscow,Russia;3.Fiber Optics Research Center,Russian Academy of Sciences,Moscow,Russia

Abstract:	Electrodynamic properties of Pb(Fe_0.95Sc_0.05)_2/3W_1/3O₃ solid solution belonging to A(B'B'')O₃ perovskite structural family have been investigated by broadband dielectric spectroscopy in a wave-number range of (4 × 10^–9–4 × 10³) 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.

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