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Current-voltage characteristics of low-resistance tunnel structures ferromagnet-insulator-superconductor Co2CrAl–I–Pb
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10.1063/1.4811252
/content/aip/journal/ltp/39/6/10.1063/1.4811252
http://aip.metastore.ingenta.com/content/aip/journal/ltp/39/6/10.1063/1.4811252
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Figures

Image of FIG. 1.
FIG. 1.

CVC of tunnel junctions of N–I–S- and F–I–S-type. Sn–I–Pb with  = 6.4 × 10 Ω·cm (), CoCrAl–I–Pb with  = 2.6 × 10 Ω·cm (), CoCrAl–I–Pb with  = 4 × 10 Ω·cm (). Dots—experiment; a solid line is for Eq. (1) —the calculation in the BCS theory, a dotted line is CVC of junctions in a nonsuperconducting state, /(Δ/) is the current through a junction, normalized by the ration of the gap voltage Δ/ to the values of (for the curve ) or (for the curves and ).

Image of FIG. 2.
FIG. 2.

Experimental CVC of junctions CoCrAl–I–Pb (line with dots) and the theoretical calculation within the proposed model: the CVC (solid line), the additions to the effective chemical potential δμ, effective temperature * and energy gap Δ from the voltage at the junction (dash-dot lines).  = 3.02 mV, Г = 0.7,  = 12,  = 0.3,  = 4 × 10 Ω·cm (a);  = 1.39 mV, Г = 0.8,  = 4,  = 0.3,  = 1.7 × 10 Ω·cm (b). Dotted line is the CVC of junctions in a nonsuperconducting state.

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/content/aip/journal/ltp/39/6/10.1063/1.4811252
2013-06-27
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Current-voltage characteristics of low-resistance tunnel structures ferromagnet-insulator-superconductor Co2CrAl–I–Pb
http://aip.metastore.ingenta.com/content/aip/journal/ltp/39/6/10.1063/1.4811252
10.1063/1.4811252
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