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http://hdl.handle.net/10397/395
Title: | Strain-mediated electric-field control of resistance in the La[sub 0.85]Sr[sub 0.15]MnO₃/0.7Pb(Mg[sub ⅓]Nb[sub ⅔])O₃-0.3PbTiO₃ structure | Authors: | Zheng, RK Wang, Y Chan, HLW Choy, CL Luo, H |
Issue Date: | 10-Apr-2007 | Source: | Applied physics letters, 10 Apr. 2007, v. 90, 152904, p. 1-3 | Abstract: | The authors have deposited thin films of La[sub 0.85]Sr[sub 0.15]MnO₃ (LSMO) on 0.7Pb(Mg[sub ⅓]Nb[sub ⅔]O₃-0.3PbTiO₃(PMN-PT) single-crystal substrates and have achieved modulation of the resistance of the LSMO film by applying an electric field across the PMN-PT substrate whether the LSMO film is in the paramagnetic, ferromagnetic, or charge-ordered state. Piezoelectric measurements show that the electric field gives rise to a lattice strain in the PMN-PT substrate via the converse piezoelectric effect, which then induces a lattice strain and hence a resistance change in the LSMO film. Analysis of the data indicates that the electric-field-induced lattice strain effect dominates over the field effect in the LSMO/PMN-PT structure. | Keywords: | Lanthanum compounds Strontium compounds Lead compounds Magnetic thin films Paramagnetic materials Ferromagnetic materials Charge-ordered states Internal stresses Electrical resistivity Piezoelectricity |
Publisher: | American Institute of Physics | Journal: | Applied physics letters | ISSN: | 0003-6951 | EISSN: | 1077-3118 | Rights: | © 2007 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. Appl. Phys. Lett. 90, 152904 (2007) and may be found at http://link.aip.org/link/?apl/90/152904 |
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