Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1993),
  • paper QWE4

Observation of image-potential- induced resonances on Cu(110) using the two-photon photoemission technique

Not Accessible

Your library or personal account may give you access


In this talk we present the first observation, to our knowledge, of short-lived surface resonance states on metal surfaces using two-photon photoemission (2PPE) spectroscopy. In particular, we have measured the photoemission spectra from surface resonances resulting from strong mixing of an image potential (IP) state, with a bulk energy band. In contrast to an IP state which is formed by an electron reflecting between the Coulombic and the crystal barrier, an image resonance is formed by reflection between the same surface Coulombic barrier and an inner discontinuity in the surface potential. Although several papers have investigated these resonances theoretically,1 the only experimental observations have used inverse photoemission,2 with its relatively low resolution. With the higher resolution of 2PPE we were able to resolve the IP feature of Cu (110) and establish that it contains contributions of several broadened IP states. Our success in resolving the resonant IP states is important for further theoretical development.

© 1993 Optical Society of America

PDF Article
More Like This
Two-photon photoemission study of two-dimensional scattering processes on Na-covered Cu surfaces

X. Y. Wang, R. Paieila, and R. M. Osgood
QWG6 Quantum Electronics and Laser Science Conference (QELS) 1995

Observation of Image States in Graphene on Ir(111) by Two-Photon Photoemission

Jerry I. Dadap, Marko Kralj, Marin Petrovic, Kevin R. Knox, Rohan Bhandari, Po-Chun Yeh, Nader Zaki, and Richard M. Osgood
QTuK6 Quantum Electronics and Laser Science Conference (QELS) 2011

Two-photon photoemission spectroscopy at metal surfaces

THDD3 International Quantum Electronics Conference (IQEC) 1986


You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access Optica Member Subscription

Select as filters

Select Topics Cancel
© Copyright 2022 | Optica Publishing Group. All Rights Reserved