E. Mendez, L.L. Chang, et al.
Physical Review Letters
No abstract available.
E. Mendez, L.L. Chang, et al.
Physical Review Letters
C. Tejedor, J.M. Calleja, et al.
Physical Review B
Y. Guldner, J.P. Vieren, et al.
Solid State Communications
L.L. Chang, L. Esaki, et al.
Applied Physics Letters