Electronic Cooling in Nb/AlOx/Al/AlOx/Nb Double Tunnel Junctions
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چکیده
Several recent papers have predicted the feasibility of superconducting tunnel junction-based electronic cryocooler devices operating in the temperature range 0.1 4K. We have extended previous work in stacked Nb/AlOx devices to investigate the nonequilibrium effects in them and to examine the influence of barrier conductance and layer thickness on the electronic cooling achievable by this technique. We have also analysed the maximum cooling possible with junctions of our present conductance.
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تاریخ انتشار 1997