Comparative photoemission study of amorphous and crystalline As
- 15 September 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 24 (6) , 3663-3666
- https://doi.org/10.1103/physrevb.24.3663
Abstract
Careful photoemission (ultraviolet, UPS and x-ray, XPS) studies were performed for amorphous and crystalline As in order to terminate the long-standing controversy upon the feature of the -derived portion of the density of valence states of rhombohedral As. The band of rhombohedral As exhibits a twin-peak structure as in the case of amorphous As. The present results are in line with Shevchik's data rather than those of Ley et al., in which only one broad band is observed in the -derived portion in the spectrum of rhombohedral As.
Keywords
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