Journal
JOURNAL OF APPLIED PHYSICS
Volume 113, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4803057
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Funding
- Key Project of National Natural Science Foundation of China (NSFC) [11032010]
- NSFC [51072171, 61274107, 61176093, 11275163]
- PCSIRT [IRT1080]
- 973 Program [2012CB326404]
- Key Project of Scientific Research Fund of Hunan Provincial Education Department [12A129]
- Doctoral Program of Higher Education of China [20104301110001]
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Epitaxial thin films of La0.67Sr0.33MnO3/PbZr0.52Ti0.48O3 (LSMO/PZT) were deposited on SrTiO3 substrates with a SrRuO3 buffer layer by employing the pulsed laser deposition method. Its crystal structure, surface morphology, and polarization switching were investigated by using X-ray diffraction, scanning electron microscopy, and piezo-force microscopy measurements, respectively. Ferroelectric behavior along with a remnant polarization (2P(r)) of 62 mu C/cm(2), a saturated magnetization of similar to 76 emu/cm(3), and a magnetoelectric effect voltage coefficient alpha(ME) around 202 mV/cm Oe and 300 mV/cm Oe at 1 kHz were obtained successfully for the LSMO/PZT bilayers at room temperature. The result indicated that the coupling effects of electric and magnetic fields exist in the fabricated composite thin films. (C) 2013 AIP Publishing LLC.
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