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 language | English |
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Pages (from-to) | 17686-17689 |
Number of pages | 4 |
Journal | Physical Review B |
Volume | 50 |
Issue number | 23 |
DOIs | |
State | Published - 1994 |
Externally published | Yes |