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Large effects of dislocations on high mobility of epitaxial perovskite Ba0.96La0.04SnO3 films
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10.1063/1.4812642
/content/aip/journal/apl/102/25/10.1063/1.4812642
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/25/10.1063/1.4812642
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Figures

Image of FIG. 1.
FIG. 1.

(a) Resistivity–temperature curves and (b) carrier concentrations and Hall mobilities of BLSO/STO (001) films grown at various temperatures.

Image of FIG. 2.
FIG. 2.

(a) X-ray –2 patterns of BLSO films and STO substrates with different growth temperatures. (b) -Scan for BLSO (002) reflection. Reciprocal space maps around the (103) asymmetric Bragg diffraction point for BLSO films grown on STO at (c) 600 °C and (d) 750 °C.

Image of FIG. 3.
FIG. 3.

(a) Surface morphologies of BLSO films grown at various temperatures; (b) grain size and surface roughness as a function of growth temperature; (c) surface morphologies of BLSO films by AFM after etching with diluted nitric acid; and (d) cross-sectional TEM bright-field images of BLSO films grown at 600 °C and 750 °C.

Image of FIG. 4.
FIG. 4.

Mobilities of BLSO films plotted as a function of carrier density at room temperature. GaN data are shown for comparison. {A, B} films and {C,D} films have the same carrier densities but different dislocation densities.

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/content/aip/journal/apl/102/25/10.1063/1.4812642
2013-06-27
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Large effects of dislocations on high mobility of epitaxial perovskite Ba0.96La0.04SnO3 films
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/25/10.1063/1.4812642
10.1063/1.4812642
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