Evidence of the nature of core-level photoemission satellites using angle-resolved photoemission extended fine structure
- Lawrence Berkeley National Lab., CA (United States); and others
The authors present a unique method of experimentally determining the angular momentum and intrinsic/extrinsic origin of core-level photoemission satellites by examining the satellite diffraction pattern in the Angle Resolved Photoemission Extended Fine Structure (ARPEFS) mode. They show for the first time that satellite peaks not associated with chemically differentiated atomic species display an ARPEFS intensity oscillation. They present ARPEFS data for the carbon 1s from ({radical}3x{radical}3)R30 CO/Cu(111) and p2mg(2xl)CO/Ni(110), nitrogen 1s from c(2x2) N{sub 2}/Ni(100), cobalt 1s from p(1x1)Co/Cu(100), and nickel 3p from clean nickel (111). The satellite peaks and tails of the Doniach-Sunjic line shapes in all cases exhibit ARPEFS curves which indicate an angular momentum identical to the main peak and are of an intrinsic nature.
- Research Organization:
- Lawrence Berkeley Lab., CA (United States)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 603657
- Report Number(s):
- LBNL--39981; ON: DE97007345
- Country of Publication:
- United States
- Language:
- English
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