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Title: Effects of ferroelectric polarization and converse piezoelectric effect induced lattice strain on the electrical properties of La[sub 0.7]Sr[sub 0.3]MnO₃ thin films
Authors: Zheng, RK
Wang, J
Zhou, X
Wang, Y 
Chan, HLW 
Choy, CL
Luo, H
Keywords: Lanthanum compounds
Strontium compounds
Magnetic thin films
Colossal magnetoresistance
Dielectric polarisation
Curie temperature
Issue Date: 28-Jun-2006
Publisher: American Institute of Physics
Source: Journal of applied physics, 28 June 2006, v. 99, no. 12, 123714, p. 1-5 How to cite?
Journal: Journal of applied physics 
Abstract: Thin films of La[sub 0.7]Sr[sub 0.3]MnO₃ (LSMO) have been grown on the ferroelectric 0.68Pb(Mg[sub ⅓]Nb[sub ⅔])O₃-0.32PbTiO₃ (PMN-PT) single-crystal substrates. The ferroelectric polarization of the PMN-PT induces a large decrease in the resistivity and an upward shift in the Curie temperature of the LSMO films, which was interpreted in terms of the ferroelectric polarization induced large reduction of the biaxial tensile strain in the LSMO films. The resistivity of the LSMO films can be dynamically tuned by applying dc electric fields across the polarized PMN-PT. The analyses of the results indicate that the electric field induced lattice strain via converse piezoelectric effect in the PMN-PT controls the strain states and hence the resistivity and Curie temperature of the LSMO films.
ISSN: 0021-8979
Rights: © 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in R.K. Zheng et al., J. Appl. Phys. 99, 123714 (2006) and may be found at
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