Chin-An Chang, H. Takaoka, et al.
Applied Physics 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.
Chin-An Chang, H. Takaoka, et al.
Applied Physics Letters
R.B. Laibowitz, L. Esaki, et al.
Physics Letters A
G.A. Sai-Halasz, R. Tsu, et al.
Applied Physics Letters
L. Esaki, L.L. Chang
Physical Review Letters