Accession Number : ADA112173
Title : Rotational and Spin-State Distributions: NO Thermally Desorbed from Ru(001).
Descriptive Note : Technical rept.,
Corporate Author : NATIONAL BUREAU OF STANDARDS WASHINGTON DC MOLECULAR SPECTROSCOPY DIV
Personal Author(s) : Cavanagh,Richard R ; King,David S
PDF Url : ADA112173
Report Date : 03 Mar 1982
Pagination or Media Count : 15
Abstract : Rotational state distributions have been measured for the first time in molecules thermally desorbed from a metal single crystal. Laser excited fluorescence has been used to monitor, under ultra-high vacuum conditions, the desorption of NO from Ru(001). The population distribution for those states with less than 400/cm of rotational energy (including spin) can be represented by a single Boltzmann factor, T(rot)=235 + or - 35K, significantly lower than the surface temperature at the desorption maximum, T(S) = 455 + or - 20K.
Descriptors : *Laser induced fluorescence, *Molecular rotation, *Spin states, *Nitrogen oxides, *Single crystals, Desorption, Thermal properties, Ruthenium compounds, Molecular spectroscopy, Metal crystals, Distribution, Surface temperature, Boltzmann equation
Subject Categories : Lasers and Masers
Nuclear Physics & Elementary Particle Physics
Distribution Statement : APPROVED FOR PUBLIC RELEASE