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Abstract:
Epitaxial thin film heterostructures of high dielectric PbZr(1-x)Ti(x)O(3) (PZT) and La(1-x)A(x)MnO(3) (A-divalent alkaline earth metals such as Sr (LSMO) and Ca (LCMO)) were grown on SrTiO(3) substrates and their structure, temperature dependence of electrical resistivity, and magnetization were investigated as a function of the thickness of the LSMO(LCMO) layer. The microstructures of the samples were analyzed by TEM. By applying an electric field across the PZT layer, we applied a ferrodistortive pressure on the manganite layer and studied the correlations between lattice distortion and electric transport and magnetic properties of the CMR materials. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3592660]