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On the Chemistry of Clay by Prof. Dr. U. Hofmann is a Chemistry article available to read on EtoBox.
What is On the Chemistry of Clay about?
Far more serious for FE microscopy is the fact that the work function is a quantity which can only be defined macroscopically and which, like the surface potential and the Helmholtz equation, loses its meaning if -as is done with the probe-hole techniquethe adsorption of a single atom on a minute face element consisting of only a few atoms is considered. It is also doubtful whether the theory of the metallic state can be applied to surfaces largely covered with a metalloid adsorbate. As is known, there is much to be said for the supposition that the surface atoms are demetallized through adsorption [41,53,49,903. For FI microscopy, in which the individual surface atom plays an even more predominant role than in FE microscopy, the question is raised as to whether the band model of the metallic state may still be applied. What is certain is that the Sommerfeld approximation of the quasi-free electron is an unsuitable starting point, as in this simplest model the parameters of the atoms are amalgamated to those of the band, whereas FI microscopy, conversely, resolves the metal continuum into discrete atoms. Adescription in terms of the band model, therefore, is acceptable only if it i
Who reads On the Chemistry of Clay?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Prof. Dr. U. Hofmann
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley; Research Square (ISSN 0044-8249)
- Published
- 1968
- Language
- EN
- Field
- Chemistry (Physical Sciences)