Reinvestigation of Phase Transitions in Na0.5Bi0.5TiO3 by TEM. Part I: First Order Rhombohedral to Orthorhombic Phase Transition

Dorcet, Vincent; Trolliard, Gilles; Boullay, Philippe

doi:10.1021/cm8004634

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Reinvestigation of Phase Transitions in Na0.5Bi0.5TiO3 by TEM. Part I: First Order Rhombohedral to Orthorhombic Phase Transition

Shared by NobleBlocks on Jul 11, 2008 • 12:00 AM UTC

Authors:

Vincent Dorcet

Gilles Trolliard

Philippe Boullay

Abstract

This study shows for the first time that the rhombohedral to tetragonal phase transition in Na0.5Bi0.5TiO3 (NBT) is a two step phase transition. The transformation begins by a first order phase transition involving the reconstructive transformation of the rhombohedral phase into an orthorhombic one,...

Subject

Orthorhombic crystal system

Phase transition

Tetragonal crystal system

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