Surface Resonance Bands on (001)W: Experimental Dispersion Relations | Zendy

R. F. Willis | Zendy; B. Feuerbacher | Zendy; N. E. Christensen | Zendy

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Surface Resonance Bands on (001)W: Experimental Dispersion Relations

Author(s) -

R. F. Willis,

B. Feuerbacher,

N. E. Christensen

Publication year - 1977

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.38.1087

Subject(s) - dispersion (optics) , atomic physics , materials science , resonance (particle physics) , band gap , electronic band structure , spectroscopy , electron , surface (topology) , dispersion relation , surface states , molecular physics , condensed matter physics , physics , optics , nuclear physics , quantum mechanics , geometry , mathematics

A band of unbound surface state (resonances), located in an energy region above the vacuum threshold corresponding to an energy band gap in the electron states of the bulk crystal, has been observed by angle-resolved secondary-electron-emission spectroscopy. The experimental dispersion behavior is in agreement with the two-dimensional band structure of a clean (001)W surface recently proposed by Smith and Matteiss.

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