Photoexcitation of resonances in Ag films on Ni(111)

T. Miller, A. Samsavar, T. C. Chiang

Research output: Contribution to journalArticlepeer-review

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Abstract

Angle-resolved photoelectron spectra from Ag films supported on a Ni(111) substrate show interesting behavior in response to variation of the photon energy. In contrast to previous reports of discrete and dispersionless quantum-well states in metal films,the Ag/Ni system supports quantum-well resonances that exhibit ''ratcheting'' energy dispersions and oscillatory emission intensities. These observations are reproduced in a model calculation taking into account both the initial and final continuums of states involved in the photoexcitation process.

Original languageEnglish
Pages (from-to)17686-17689
Number of pages4
JournalPhysical Review B
Volume50
Issue number23
DOIs
StatePublished - 1994
Externally publishedYes

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