Non-free-electron momentum- and thickness-dependent evolution ofquantum well states in the Cu/Co/Cu(001) system
Journal Article
·
· Physical Review B
OSTI ID:889305
We present systematic k{sub {parallel}}-dependent measurements of the Fermi surface and underlying band structure of quantum well states in Cu/Co/Cu(001). Compared to bands from normal emission, we find a complicated evolution of ''split'' QW states as a function of the thicknesses of both the copper overlayer and the cobalt barrier layer. Self-consistent calculations show that the penetration of the quantum well states into the cobalt barrier layer is significant and leads to the observed very non-free-electron behavior of these states.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Laboratory Directed Research and Development; NationalScience Foundation
- DOE Contract Number:
- DE-AC02-05CH11231; NSF:DMR-0110034
- OSTI ID:
- 889305
- Report Number(s):
- LBNL-57817; R&D Project: AJ03MV; TRN: US0604385
- Journal Information:
- Physical Review B, Vol. 73; Related Information: Journal Publication Date: 2006
- Country of Publication:
- United States
- Language:
- English
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