Va. Isupov et al., PARAMETERS OF FERROELECTRIC PHASE-TRANSITIONS DIFFUSENESS IN PMN-PT AND PMN-PNN SOLID-SOLUTIONS, Ferroelectrics, 207(3-4), 1998, pp. 507-517
Parameters characterizing diffuseness of ferroelectric phase transitio
ns in (1-x) PbMg1/3-Nb2/3O3(PMN)+ xPbTiO(3)(PT) and (1-x)PMN + xPb(Ni1
/3Nb2/3)O-3 (PNN) solid solutions are investigated. Experimental metho
ds of their evaluation are discussed. The relationship between differe
nt diffuseness parameters of the systems is clarified and discussed.