T.P. Smith III, J.A. Brum, et al.
Physical Review Letters
No abstract available.
T.P. Smith III, J.A. Brum, et al.
Physical Review Letters
J.C. Maan, Y. Guldner, et al.
Solid State Communications
J.I. Lee, B.B. Goldberg, et al.
Solid State Communications
R. Tsu, L. Esaki
Applied Physics Letters