L.L. Chang, H. Sakaki, et al.
Physical Review Letters
No abstract available.
L.L. Chang, H. Sakaki, et al.
Physical Review Letters
W.I. Wang, E. Mendez, et al.
IEEE T-ED
J. Luo, H. Munekata, et al.
Physical Review B
L. Esaki, P.J. Stiles
Physical Review Letters