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Open Access

Soft modes condensation in Raman spectra of (Pb–La)(Zr–Sn–Ti)O3 ceramics

    https://doi.org/10.1142/S2010135X19500243Cited by:0 (Source: Crossref)
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    Abstract

    Low frequency Raman spectra of (Pb0.97La0.02)(Zr0.864Sn0.04Ti0.096)O3 ceramic samples have been studied near cubic to antiferroelectric phase transition at about 200∘C. A set of low frequency soft modes were observed restoring below the transition point, in addition to the known one above 100cm−1. These modes show strong damping anomalies at the transition point that supposes considerable intermode interactions via dampings.

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