L. Esaki, P.J. Stiles, et al.
Physical Review Letters
A report of the first observation of the superconducting energy gap in a semiconductor, GeTe, is given. The gap was observed in a tunnel junction of AlAl2O3GeTe. © 1966.
L. Esaki, P.J. Stiles, et al.
Physical Review Letters
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Physical Review B
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Surface Science
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