期刊
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
卷 84, 期 11, 页码 2507-2513出版社
WILEY
DOI: 10.1111/j.1151-2916.2001.tb01044.x
关键词
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Single-crystal layers of 0.65Pb(Mg1/3Nb2/3)O-3.0.35PbTiO(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 degrees and 1150 degreesC 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 t(1/3) dependence which is characteristic of diffusion-controlled growth. Growth was limited to similar to 100-150 mum due to the significantly reduced driving force at longer times because of matrix coarsening and porosity evolution.
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