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All tunnel junctions with or MgO tunnel barriers
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10.1063/1.2742909
/content/aip/journal/apl/90/21/10.1063/1.2742909
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/21/10.1063/1.2742909
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Tunneling conductance characteristics for the junction taken at , showing quasiparticle tunneling at the superconductor/insulator/superconductor junction. Arrows indicate each peak. (b) Schematic energy band diagram for the -axis oriented bottom /polycrystalline top junction in which tunneling is along the axis; and represent the superconducting energy gaps of due to and energy bands, respectively. Subscripts T and B indicate bottom and top layers, respectively.

Image of FIG. 2.
FIG. 2.

Cross-sectional TEM picture for the bottom /top junction; the solid and dashed lines denote the boundary of the and layers.

Image of FIG. 3.
FIG. 3.

(002) peak of in x-ray diffraction measurements for the films grown on MgO layer (a) and layer (b). (c) Superconducting transition temperature variation depending on film thickness. The circle symbols denote films on a MgO layer and the square symbols denote the films on a layer.

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/content/aip/journal/apl/90/21/10.1063/1.2742909
2007-05-24
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: All MgB2 tunnel junctions with Al2O3 or MgO tunnel barriers
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/21/10.1063/1.2742909
10.1063/1.2742909
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