Soft mode doublet in PbMg.sub.1/3./sub.Nb.sub.2/3./sub.O.sub.3./sub. relaxor investigated with hyper-Raman scattering

AL-ZEIN, A., HLINKA, Jiří, ROUQUETTE, J., HEHLEN, B. Soft mode doublet in PbMg_1/3Nb_2/3O₃ relaxor investigated with hyper-Raman scattering. Physical Review Letters. 2010, 105(1), 017601/1-017601/4. ISSN 0031-9007. E-ISSN 1079-7114. Available: doi: 10.1103/PhysRevLett.105.017601.