Adsorbate-induced changes in the infrared reflectance and resistivity of metals
Journal
Physical Review B
Journal Volume
48
Journal Issue
4
Pages
2791-2794
Date Issued
1993
Author(s)
KING-CHUEN LIN
Tobin, R.G.
Dumas, P.
Hirschmugl, C.J.
Williams, G.P.
Abstract
We present an experimental test of a predicted relationship between adsorbate-induced changes in the infrared reflectance and dc resistivity of a metal. We have measured the absolute change in reflectance for O and CO on Cu(100) and for CO on Ni(100) over the frequency range 300-2000 cm-1 and compared it with published resistivity changes for the corresponding thin-film systems. For the two adsorbates on Cu the results are consistent with a simple model based on scattering of conduction electrons by the adsorbate. For CO on Ni, however, the reflectance change is much smaller than predicted. © 1993 The American Physical Society.
Type
journal article