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Conferences > QELS > 2001 > QTuF > QTuF3
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 2001),
  • paper QTuF3

Femtosecond Measurements of Surface-State-Electron Dynamics on Nanostructured Nl Surfaces

S. Smadici, X.J. Shen, A. Radojevic, D. Mocuta, and R.M. Osgood

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Abstract

We will describe our fs, two-photon photoemission measurements of electron lifetimes and dispersion curves on regular arrays of ~ 16Å wide Ni steps, decorated with monolayer stripes of Ag. The experiments have measured the lifetimes and dispersive properties of the occupied surface and normally unoccupied image electron states. For the first time we observed band-folding of an induced surface state with a controllable bandwidth.

© 2001 Optical Society of America

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