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Systematic Raman scattering experiments were performed on Pb(Mg1/3Nb2/3)O3 (PMN) single crystals to resolve the low‐wavenumber dynamics in the crystal. Careful checking of the angular dependence of the Raman spectra indicated that the intense peak around 45 cm−1, which always smears the low‐wavenumber spectra, stems from the F2g mode due to Mg:Nb = 1:1 chemically ordered Fm3m region. A proper scattering...
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