D.E. Eastman, J.J. Donelon
Review of Scientific Instruments
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, J.J. Donelon
Review of Scientific Instruments
F.J. Himpsel, D.E. Eastman
Physical Review B
J.H. Weaver, A.M. Bradshaw, et al.
Physical Review B
D.E. Eastman
Physical Review Letters