Kinetics of Templated Grain Growth of 0.65Pb(Mg1/3Nb2/3)O3·0.35PbTiO 3

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Abstract

Single-crystal layers of 0.65Pb(Mg1/3Nb2/3)O3·0.35PbTiO 3 (PMN-35PT) were grown heteroepitaxially on {001}-BaTiO3 template crystals. A {001}-BaTiO3 crystal was embedded in a fine-grained matrix of PMN-35PT containing excess PbO and heated between 950° and 1150°C for 0-5 h. The initial growth of the PMN-35PT on the {001} surface and the growth of the matrix grains both displayed a t1/3 dependence which is characteristic of diffusion-controlled growth. Growth was limited to ∼100-150 μm due to the significantly reduced driving force at longer times because of matrix coarsening and porosity evolution.

Original languageEnglish (US)
Pages (from-to)2507-2513
Number of pages7
JournalJournal of the American Ceramic Society
Volume84
Issue number11
DOIs
StatePublished - Nov 2001

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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