J.C. Maan, Y. Guldner, et al.
Solid State Communications
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.
J.C. Maan, Y. Guldner, et al.
Solid State Communications
E. Mendez, L.L. Chang, et al.
Surface Science
L. Vina, E. Mendez, et al.
Journal of Physics C: Solid State Physics
L. Esaki, L.L. Chang
Physical Review Letters