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cond-mat.mtrl-sci2010
Theoretical Study of the Soft Optic Mode Scattering in a Relaxor Ferroelectric: the Strong Effect of the Depolarizing Fields
Eugene Iolin
We analyze scattering of the transverse optic modes by spherically symmetric Polarized Nano Regions (PNR) in the paraelectric phase of relaxor ferroelectrics. Calculations have don…
cond-mat.mtrl-sci2010★ 2 cited
Theoretical Study of the Soft Optic Mode Dynamics in a Relaxor Ferroelectric. The Effect of Polar Nanoregions
E. Iolin, J. Toulouse
We propose a simple and solvable mean-field model of the scattering of transverse optic modes by Polarized Nano Regions (PNR) in the paraelectric phase of relaxor ferroelectrics. T…
cond-mat.mes-hall2010★ 1 cited
A new scattering mechanism of acoustic phonons in relaxor ferroelectrics: the case of KTa_{1-x}Nb_xO_3
J. Toulouse, E. Iolin, B. Hennion +3
The complex interaction between transverse acoustic (TA) phonon, transverse optic (TO) phonon and polar nano-domains (PND) in the relaxor ferroelectric KTa1-xNbxO3 (KTN) is studied…