Spagnol, Priscila D. [UNESP]Zaghete, M. A. [UNESP]Paiva-Santos, C. O. [UNESP]Andrade, A. V C [UNESP]Cavalheir, A. A. [UNESP]Tebcherani, S. M. [UNESP]Varela, José Arana [UNESP]2014-05-272014-05-272002-03-01Journal of Materials Research, v. 17, n. 3, p. 620-624, 2002.0884-2914http://hdl.handle.net/11449/66837PbMg1/3Nb2/3O3 (PMN) powder was prepared by citrate organic solution, and barium titanate (BT) seed particles were added to encourage the perovskite phase formation. Sintering was followed using the constant heating rate mode of a dilatometer, and it was observed that the seed concentration affected the PMN shrinkage rate and crystal structure. The study of the lattice parameters of the samples after the sintering process indicates that the diffusion of the titanium and of the barium inside perovskite and pyrochlore PMN phases occurs. Moreover, this substitution provoked a decrease of the lattice parameters as showed by the Rietveld refinement.620-624engBarium titanateCrystal structureDiffusionHeatingLattice constantsLead compoundsPerovskiteShrinkageSinteringCitrate organic solutionCeramic materialsArtigo10.1557/JMR.2002.0088WOS:000174300000018Acesso aberto2-s2.0-00365069362-s2.0-0036506936.pdf