NDLI: Step-type and step-density influences on CO adsorption probed by reflection absorption infrared spectroscopy using a curved Pt(1 1 1) surface

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Step-type and step-density influences on CO adsorption probed by reflection absorption infrared spectroscopy using a curved Pt(1 1 1) surface

Content Provider	Semantic Scholar
Author	Walsh, Anton J. Lent, Richard Van Auras, Sabine V. Gleeson, Michael A. Berg, Otto Juurlink, Ludo B. F.
Copyright Year	2017
Abstract	In comparison to flat single crystals, the continuous variation of structure provided by curved crystals offers many benefits for the study of physical and chemical processes at surfaces. However, the curvature of the surface also creates experimental challenges. For infrared spectroscopy, in particular, adsorbates on metal samples are typically probed by grazing-incidence reflection-absorption infrared spectroscopy (RAIRS). In this geometry, a convex crystal acts as a strongly diverging mirror. The authors describe how the experimental difficulties introduced by a cylindrical surface can be resolved for RAIRS. A complementary mirror, placed directly downfield of the curved crystal within the vacuum chamber, minimizes the divergence created by the sample. By simply translating the infrared focus across the sample, the authors probe adsorbate vibrational spectra as a function of local step-type and step-density with high sensitivity and spatial resolution. Time-consuming sample exchange, and the concomitan...
Starting Page	9999999999
Ending Page	9999999999
Page Count	1
File Format	PDF HTM / HTML
DOI	10.1116/1.4976617
Volume Number	35
Alternate Webpage(s)	https://www.differ.nl/sites/default/files/attachments/biblio/2017_66745.pdf
Alternate Webpage(s)	https://doi.org/10.1116/1.4976617
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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