Quasi-Elastic Scattering, Random Fields and phonon-coupling effects in PbMg1/3Nb2/3O3

S N Gvasaliya, B Roessli, R A Cowley +2

The low-energy part of the vibration spectrum in PbMg${}_{1/3}$Nb${}_{2/3}$O${}_3$ (PMN) relaxor ferroelectric has been studied by neutron scattering above and below the Burns temperatur…