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Fractal Theory for the Compensation Effect Observed in a Surface Diffusion Process Studied Using Deuteron NMR


Reference:

Rigby, S. P., 2002. Fractal Theory for the Compensation Effect Observed in a Surface Diffusion Process Studied Using Deuteron NMR. Langmuir, 18 (5), pp. 1613-1618.

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Abstract

The translational motion of benzene mols. on the surfaces of a no. of different types of materials, such as SiO2 and a Pt/SiO2 catalyst, was studied using deuteron NMR techniques. When the temp. dependence of the correlation time for this motion was correlated using an Arrhenius type expression, a compensation effect was obsd. This means that there was a linear relation between the activation energy and the natural logarithm of the pre-exponential factor. The origin of this effect was explained by a theory for the mol. motion based on the fractal nature of the surfaces over which the benzene mols. are moving. [on SciFinder (R)]

Details

Item Type Articles
CreatorsRigby, S. P.
Uncontrolled Keywordsbenzene translational motion platinum silica catalyst, fractals, kinetic and thermodynamic compensation effects (fractal theory for compensation effect obsd. in surface diffusion process studied using deuteron nmr), sio2 catalyst using deuteron nmr), diffusion (surface, fractal theory compensation effect surface diffusion nmr, nmr (translational motion of benzene on surfaces of sio2, sio2, fractal theory for compensation effect obsd. in surface diffusion process studied using deuteron nmr)
DepartmentsFaculty of Engineering & Design > Chemical Engineering
RefereedYes
StatusPublished
ID Code1003

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