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SPONTANEOUS STRAIN AS ORDER PARAMETER TO DESCRIBE THE PHASE TRANSITION IN La DOPED PbTiO FERROELECTRIC PEROVSKITE.

Spontaneous strains of lanthanum doped PbTiO compound were determined from the temperature dependence of the unit cell parameters. The critical temperature was determined by using the spontaneous strain as order parameter. The calculated value of the critical temperature agrees with that obtained th...

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Publicado en:Revista Cubana de Física Vol. 29; no. 2; pp. 70 - 74
Autores principales: MÉNDEZ-GONZÁLEZ, Y., PENTÓN-MADRIGAL, A., PELÁIZ-BARRANCO, A., CALDERÓN-PIÑAR, F.
Formato: Artículo
Publicado: Universidad de La Habana 2012
Materias:
Lanthanum
Unit cell
Critical temperature
Perovskite
Crystallography
Elastic deformation
Acceso en línea:Ver este registro en EBSCOhost