NDLI: Infrared absorption spectroscopy of surfaces: a low temperature thermal detection scheme

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Infrared absorption spectroscopy of surfaces: a low temperature thermal detection scheme

Content Provider	United States Department of Energy Office of Scientific and Technical Information (OSTI.GOV)
Author	Bailey, R. B. Richards, P. L.
Organization	California Univ., Berkeley (USA). Lawrence Berkeley Lab.
Abstract	A sensitive spectroscopic technique has been developed by which infrared surface absorptions are detected thermally in a sample cooled to liquid helium temperature. A tiny doped germanium thermometer attached directly to the sample crystal measures the temperature increase resulting from infrared absorption. The assembly is mounted in an ultrahigh vacuum chamber and can be repeatedly cleaned, heated, exposed to chemical reactants, and cooled to 1.5 K for spectral measurements. Preliminary data for various molecules adsorbed on evaporated metal films demonstrate that the technique is a practical means for obtaining sensitive, high resolution vibrational spectra of adsorbed molecules.
Related Links	https://www.osti.gov/biblio/6652577
Page Count	18
File Format	PDF
Language	English
Publisher Date	1978-04-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	MATERIALS SCIENCE CARBON MONOXIDE ABSORPTION SPECTRA ADSORPTION SURFACES ABSORPTION SPECTROSCOPY CRYSTALS FILMS INFRARED RADIATION METALS MOLECULES ULTRALOW TEMPERATURE VIBRATIONAL STATES CARBON COMPOUNDS CARBON OXIDES CHALCOGENIDES ELECTROMAGNETIC RADIATION ELEMENTS ENERGY LEVELS EXCITED STATES OXIDES OXYGEN COMPOUNDS RADIATIONS SORPTION SPECTRA SPECTROSCOPY 360104 - Metals & Alloys-- Physical Properties
Content Type	Text
Resource Type	Article

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