Abstract
Comparative analysis of the elastic properties of PbMg1/3Nb2/3O3 (PMN) and PbMg1/3Ta2/3O3 (PMT) crystals has been performed. The temperature dependences of the elastic moduli C11, C12, and C44 are presented. These curves exhibit anomalies near the Burns temperature for both crystals. Additional anomalies are observed in the vicinity of the suppressed ferroelectric transition (TC ∼ 210 K) in PMN. Nontrivial frequency dispersion of the elastic moduli has been revealed for PMN.
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Schedule a callMore From: Bulletin of The Russian Academy of Sciences: Physics
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