J.I. Lee, B.B. Goldberg, et al.
Solid State Communications
No abstract available.
J.I. Lee, B.B. Goldberg, et al.
Solid State Communications
W.I. Wang, T.S. Kuan, et al.
Physical Review B
L.L. Chang, Armin Segmüller, et al.
Applied Physics Letters
R. Ludeke, L. Esaki
Physical Review Letters