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Raman scattering study of relaxor ferroelectric Pb(Sc1/2Nb1/2)O3 crystals

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Abstract

The effects of B-site ordering and vacancies were studied in the relaxor ferroelectric Pb(Sc1/2Nb1/2)O3 (PSN) family by using Raman scattering spectroscopy. Differences with Raman spectra and the depolarization ratios were clearly observed among B-site disordered PSN (PSN-D), B-site ordered with lead/oxygen vacancies PSN (PSN-OV), and 0.7Pb(Sc1/2Nb1/2)O3-0.3PbTiO3 (PSN-30PT) single crystals. The temperature dependence of the depolarization ratio of PSN-30PT was also studied to clarify the ferroelectric phase transitions and the polarization fluctuations in the polar nanoregions.

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Correspondence to Seiji Kojima.

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Suzuki, K., Kojima, S., Ahart, M. et al. Raman scattering study of relaxor ferroelectric Pb(Sc1/2Nb1/2)O3 crystals. Journal of the Korean Physical Society 62, 1125–1128 (2013). https://doi.org/10.3938/jkps.62.1125

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  • DOI: https://doi.org/10.3938/jkps.62.1125

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