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Relaxation and atomic vibrations at the Ni(110) surface

✍ Scribed by G. Rovida; M. Torrini; E. Zanazzi


Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
242 KB
Volume
3
Category
Article
ISSN
0009-2614

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✦ Synopsis


The mean-square displacements in three directions for the atoms of the Ni(ll0) surEace are calculated by means of a simplified treatment, using a Morse potential function. Taking into account a surface relaxation, the theoretical results are in good agreement with the experimental data. Mean-square displacements of surface atoms can be determined experimentally by means of low-energy electron diffraction (LEED) or M&sbauer effect. The theoretical calculation of mean-


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The vibrational relaxation of HCl(u= 1) by chlorine and bromine atoms has been me:lsured at 295 K by :I discharge fbW SySti%l using the resonance fluorescence method to dctcct the hiIlogen atom concentration, combined with laser induced tkorescencc. T&c rnessured rate comtants arc: K(HCI-Cl) = (7.0