Anelastic Characterization of Pb(Fe2/3W1/3)O3 Multiferroic Ceramics
作者： B. Fraygola , D. Garcia , J. A. Eiras
DOI: 10.1080/00150193.2012.675782
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摘要: Multiferroic relaxor ceramics Pb(Fe2/3W1/3)O3 (PFW) has been synthesized by a modified B-site precursor method and characterized anelastic measurements. Anomalies in the temperature dependence of elastic constant have observed at TN TC, indicating that establishment ferroelectric antiferromagnetic orders occurs via linear coupling with lattice strain. In both transitions, FE AFM, part system is linear-quadratic, ie F (S, M) = gSL2 (L M2−M1) P) β SP2, justifying presence term ηL2P2 free energy expansion.
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