Jurnal Matematika & Sains
Vol 9, No 1 (2004)

Size Dependent Phase Transition in BaTiO3 and PbTiO3: a General Theory Based on a Simple Ising Model

Mikrajuddin Abdullah ( Program Studi Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Institut Teknologi Bandung)

Article Info

Publish Date
07 Oct 2009

Abstract

A general theory based on simple Ising model has been developed to explain the effect of size on the phase transition in BaTiO3 and PbTiO3. The model can explain very well the presence of critical temperature for the occurrence of tetragonal ⇔ cubic structure, the presence of critical size where this transition to occur. Size dependent of the transition is induced by the dependence of dipole-dipole interaction in the sample on the size.

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Journal Info
Jurnal Matematika & Sains
Website

Abbrev

Publisher

Institut Teknologi Bandung

Subject

Mathematics

Description

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