Effects of temperature and concentration of La in the form of A1 transverse optical phonon in the PbTiO3 system Efeitos da temperatura e concentração de La na forma de fótons ópticos transversais A1 no sistema PbTiO3

The structural phase transition from ferroelectric to paraelectric was studied by Raman scattering in the ceramic lead titanate (PbTiO3) doped with lanthanum (La). A1 vibrational mode contains some sub-peaks that have been associated in literature with PbTiO3 concentration (Ca, Ba), and effects of h...

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Bibliographic Details
Main Authors: M. R. Joya, J. J. Barba-O, P. S. Pizani
Format: Article
Language:English
Published: Associação Brasileira de Cerâmica 2012-09-01
Series:Cerâmica
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0366-69132012000300006