Substrate-DependentC(1s)Shape Resonance in CO Overlayers on Ni(111) and Ni(001) | Zendy

R. F. Davis | Zendy; S. D. Kevan | Zendy; David H. Rosenblatt | Zendy; M. G. Mason | Zendy; James Tobin | Zendy; D. A. Shirley | Zendy

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Substrate-DependentC(1s)Shape Resonance in CO Overlayers on Ni(111) and Ni(001)

Author(s) -

R. F. Davis,

S. D. Kevan,

David H. Rosenblatt,

M. G. Mason,

James Tobin,

D. A. Shirley

Publication year - 1980

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.45.1877

Subject(s) - resonance (particle physics) , physics , substrate (aquarium) , synchrotron radiation , atomic physics , crystallography , materials science , nuclear magnetic resonance , chemistry , nuclear physics , oceanography , geology

A large resonance was observed in the C(1s) angle-resolved photoemission cross-section of CO overlayers on Ni(111) and Ni(001), using synchrotron radiation at SSRL, while none was observed for O(1s). Energy-, angular-, and polarization-dependence measurements showed that the C(1s) resonance, which is peaked at h{nu} = 311 eV, is closely related to the shape resonance predicted for the C(1s) level in isolated CO. However, the surface potential introduces strong substrate-dependent deviations from gas-phase theory

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