Experiments of the superconducting proximity effect between superconductor and semiconductor

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Abstract
Coherence length in a semiconductor induced by the superconductor proximity effect is obtained experimentally from superconducting transition temperature measurements based on the de Gennes–Werthamer–Hauser theory. It was found that the coherence length in the semiconductor increases with increase in the carrier concentration n as a function of n1/3. This result agreed with the numerical result derived from the Seto–Van Duzer theory.