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Through a study of dc resistance and infrared reflectance changes induced in epitaxial Cu(100) films by adsorbed oxygen, we show that standard surface resistivity models based on free electrons and point scatterers are inadequate, even if adsorbate-induced changes in conduction electron density are considered. Previous experiments showed that the reflectance-resistance change ratio varies among adsorbates...
Simultaneous measurements of the DC resistance and IR reflectivity changes of thin epitaxially grown copper (111) films have been performed during co-adsorption of CO with C 2 H 4 . The linear dependence of these two quantities, which has previously been observed for CO on Cu(111) films, also holds for this coadsorbed system. Importantly, we have shown that the linearity factor is...
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