H. Lüth, G.W. Rubloff, et al.
Solid State Communications
The energy gap between the lowest two valence bands for several binary compounds has been determined from photoemission distributions and is found to be a good measure of the ionicity parameter C of the Philips-Van Vechten theory. © 1973.
H. Lüth, G.W. Rubloff, et al.
Solid State Communications
D.E. Eastman, W.D. Grobman
Physical Review Letters
F.J. Himpsel, D.E. Eastman
Physical Review B
J. Freeouf, M. Erbudak, et al.
Solid State Communications