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000837922 1001_ $$0P:(DE-HGF)0$$aJing, Hong-Mei$$b0
000837922 245__ $$aMicrostructure and electrical conductivity of (Y,Sr)CoO3-delta thin films tuned by the film-growth temperature
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000837922 520__ $$aEpitaxial films composed of (Y,Sr)CoO3-δ and nano-scale Y2O3 columns are successfully grown on (La0.289Sr0.712)(Al0.633Ta0.356)O3(001) substrates at 900 °C. The microstructural and electrical properties of the composite films are investigated and compared with those of the single-phase films prepared at 800 °C. In the composite films oxygen vacancies are detectable, which occur alternately in the stacking CoO2-δ planes of (Y,Sr)CoO3-δ. In addition, it is found that a large number of misfit dislocations distribute at the interfaces between the Y2O3 columns and the (Y,Sr)CoO3-δ film matrix. The measured resistivity of the composite films is significantly lower than that of the (Y,Sr)CoO3-δ single-phase films. Our results indicate that the electrical properties of the perovskite-based cobaltates films can be tuned by changing the microstructure through controlling the film-growth temperature.
000837922 536__ $$0G:(DE-HGF)POF3-143$$a143 - Controlling Configuration-Based Phenomena (POF3-143)$$cPOF3-143$$fPOF III$$x0
000837922 7001_ $$0P:(DE-HGF)0$$aHu, Guang-Liang$$b1
000837922 7001_ $$0P:(DE-HGF)0$$aMi, Shao-Bo$$b2$$eCorresponding author
000837922 7001_ $$0P:(DE-Juel1)161232$$aLu, Lu$$b3
000837922 7001_ $$0P:(DE-Juel1)173033$$aLiu, Mingshan$$b4
000837922 7001_ $$0P:(DE-HGF)0$$aCheng, Shao-Dong$$b5
000837922 7001_ $$0P:(DE-HGF)0$$aCheng, Sheng$$b6
000837922 7001_ $$0P:(DE-Juel1)130736$$aJia, Chun-Lin$$b7
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