Abstract
Biphasic magnetoelectric composite films composed of Pb(Zr0.52Ti0.48)O3 and Bi0.9Nd0.1FeO3 were successfully fabricated on Pt(111)/Ti/SiO2/Si(100) substrates via Sol–gel and Rapid Thermal Process, forming Pb(Zr0.52Ti0.48)O3/Bi0.9Nd0.1FeO3 and Bi0.9Nd0.1FeO3/Pb(Zr0.52Ti0.48)O3 bilayer structures due to the different deposition sequences. Phase formation and lattice parameters of the tetragonal PZT and rhombohedral BNF were confirmed in X-ray diffractograms. The scan electron micrographs showed that Pb(Zr0.52Ti0.48)O3 layer owns larger and closer grains than the corresponding Bi0.9Nd0.1FeO3 layer. Physical properties testing indicated that such bilayer nanostructures show simultaneously excellent ferroelectric and ferromagnetic properties, as well as conspicuous magnetodielectric and magnetoelectric effects. And meanwhile, the Bi0.9Nd0.1FeO3/Pb(Zr0.52Ti0.48)O3 thin films exhibit better ferroelectric, ferromagnetic, magnetodielectric and in-plane magnetoelectric coupling properties than Pb(Zr0.52Ti0.48)O3/Bi0.9Nd0.1FeO3 films, revealing the influence of interfacial effect caused by deposition sequences of the constituent phases.
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Acknowledgments
This work was supported by the joint finance project of Guizhou Science and Technology Agency with Guizhou University (Grant No. LH [2014]7612) and the talent introduction item of Guizhou University (Grant No. [2014]30). All authors also are grateful for the support of the Master’s innovation funds of Guizhou University (Grant No. 2016065).
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Guo, K., Mou, Q., He, T. et al. Ferroelectric, ferromagnetic, magnetodielectric and in-plane ME coupling properties of Pb(Zr0.52Ti0.48)O3–Bi0.9Nd0.1FeO3 bilayer nano-films prepared via Sol–gel processing. J Mater Sci: Mater Electron 28, 1971–1975 (2017). https://doi.org/10.1007/s10854-016-5751-3
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DOI: https://doi.org/10.1007/s10854-016-5751-3