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cond-mat.str-el2012★ 44 cited
Coupled Phonons, Magnetic Excitations and Ferroelectricity in AlFeO3: Raman and First-principles Studies
Pradeep Kumar, A. Bera, D. V. S. Muthu +7
We determine the nature of coupled phonons and magnetic excitations in AlFeO3 using inelastic light scattering from 5 K to 315 K covering a spectral range from 100-2200 cm-1 and co…
cond-mat.str-el2010★ 22 cited
Raman evidence for Orbiton-Mediated Multiphonon Scattering in Multiferroic TbMnO
Pradeep Kumar, Surajit Saha, D. V. S. Muthu +3
Temperature-dependent Raman spectra of TbMnO from 5 K to 300 K in the spectral range of 200 to 1525 cm show five first-order Raman allowed modes and two high frequency m…