G.H. Döhler, R. Tsu, et al.
Solid State Communications
No abstract available.
G.H. Döhler, R. Tsu, et al.
Solid State Communications
L. Esaki, R.R. Haering
Journal of Applied Physics
B.B. Goldberg, T.P. Smith, et al.
Surface Science
G.W. Rubloff, J.R. Anderson, et al.
Physical Review Letters