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Raman scattering investigations on the PBN phase diagram

, , , , and . FERROELECTRICS, (2004)10th European Meeting on Ferroelectricity, Univ Cambridge, Cambridge, ENGLAND, AUG 03-08, 2003.
DOI: 10.1080/00150190490453946

Abstract

Raman spectra of the tungsten-bronze oxygen octahedra ferroelectric lead barium niobate were recorded between 300 and 700 K The investigated sample, with 60% of lead, shows a ferro-paraelectric phase transition in this temperature range. Clear evidence of the structural transformation was observed in the low-lying vibrational modes.

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