W.D. Grobman, D.E. Eastman
Surface Science
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.
W.D. Grobman, D.E. Eastman
Surface Science
G.M. Bancroft, W. Gudat, et al.
Physical Review B
F.J. Himpsel, P. Heimann, et al.
Physical Review B
A.M. Bradshaw, J.F. van der Veen, et al.
Solid State Communications