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Effect of the thickness of BiFeO3 layers on the magnetic and electric properties of BiFeO3/La0.7Sr0.3MnO3 heterostructures
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10.1063/1.4811439
/content/aip/journal/apl/102/24/10.1063/1.4811439
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/24/10.1063/1.4811439
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Figures

Image of FIG. 1.
FIG. 1.

(a) (002) peaks from x-ray scans showing the effect of on heteroepitaxial strain. (b) Out-of-plane lattice constant as a function of . (c), (d) High-resolution TEM images for the LSMO/STO interface and the BFO/LSMO interface of the BFO/LSMO/STO heterostructure with of 300 nm, respectively.

Image of FIG. 2.
FIG. 2.

(a) In-plane field cooling curves for the LSMO film without BFO and the BFO/LSMO/STO heterostructures with various BFO thicknesses. The cooling and measuring fields are both 100 Oe. (b) The magnetic hysteresis loops of the LSMO film without BFO and the BFO/LSMO/STO heterostructures with various BFO thicknesses at 10 K. (c) BFO layer thickness dependence of and at 10 K.

Image of FIG. 3.
FIG. 3.

(a) Frequency dependence of and dielectric loss of Au/BFO/LSMO/STO heterostructures with various BFO thicknesses at the room temperature. (b) BFO layer thickness dependence of and dielectric loss.

Image of FIG. 4.
FIG. 4.

(a) loops of Au/BFO/LSMO/STO heterostructures with various BFO thicknesses at the room temperature. The test frequency is 20 kHz. (b)BFO layer thickness dependence of and .

Image of FIG. 5.
FIG. 5.

(a) curves of Au/BFO/LSMO/STO heterostructures with various BFO thicknesses at the room temperature. (b) curves plotted on semilogarithmic scales. (c) The R and R of the Au/BFO/LSMO/STO heterostructure with of 600 nm with repetition of polarization-orientation switching. (d) The repetition characteristics of the R and R of the Au/BFO/LSMO/STO heterostructure with of 600 nm.

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/content/aip/journal/apl/102/24/10.1063/1.4811439
2013-06-17
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of the thickness of BiFeO3 layers on the magnetic and electric properties of BiFeO3/La0.7Sr0.3MnO3 heterostructures
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/24/10.1063/1.4811439
10.1063/1.4811439
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