D.E. Eastman, Moshe Kuznietz
Physical Review Letters
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.
D.E. Eastman, Moshe Kuznietz
Physical Review Letters
E.W. Plummer, T. Gustafsson, et al.
Physical Review A
J.K. Cashion, J.L. Mees, et al.
Review of Scientific Instruments
J.F. Van Der Veen, F.J. Himpsel, et al.
Physical Review Letters