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Diffuse LEED, Tensor LEED, and the Structure of Random Adsorbates

Pendry, J. B.

Abstract Extensive progress has been made in collaboration with the Erlangen group of Müller and Heinz in treating diffraction from the simplest class of disorder: a lattice gas of adsorbed atoms on an otherwise ordered substrate [1,2]. By using an interplay of Bloch’s theorem for the substrate and local treatments for the adsorbate, accurate calculations of the diffusely scattered intensities can be made. The central element of the theory is that in order to appear in the diffuse part of the pattern an electron must have struck an adsorbate atom and therefore its experience of the disorder is a strictly local one, just as in a SEXAFS experiment.

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Diffuse LEED, Tensor LEED, and the Structure of Random Adsorbates

Pendry, J. B.

Abstract Extensive progress has been made in collaboration with the Erlangen group of Müller and Heinz in treating diffraction from the simplest class of disorder: a lattice gas of adsorbed atoms on an otherwise ordered substrate [1,2]. By using an interplay of Bloch’s theorem for the substrate and local treatments for the adsorbate, accurate calculations of the diffusely scattered intensities can be made. The central element of the theory is that in order to appear in the diffuse part of the pattern an electron must have struck an adsorbate atom and therefore its experience of the disorder is a strictly local one, just as in a SEXAFS experiment.

Diffuse LEED, Tensor LEED, and the Structure of Random Adsorbates

Pendry, J. B.

Abstract Extensive progress has been made in collaboration with the Erlangen group of Müller and Heinz in treating diffraction from the simplest class of disorder: a lattice gas of adsorbed atoms on an otherwise ordered substrate [1,2]. By using an interplay of Bloch’s theorem for the substrate and local treatments for the adsorbate, accurate calculations of the diffusely scattered intensities can be made. The central element of the theory is that in order to appear in the diffuse part of the pattern an electron must have struck an adsorbate atom and therefore its experience of the disorder is a strictly local one, just as in a SEXAFS experiment.

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Title:

Diffuse LEED, Tensor LEED, and the Structure of Random Adsorbates

Contributors:

Pendry, J. B. (author)

Published in:

Solvay Conference on Surface Science ; 51-54

Springer Series in Surface Sciences ; 14

Publication date:

1988-01-01

Size:

4 pages

ISBN:

978-3-642-74220-0 , 978-3-642-74218-7

ISSN:

DOI:

https://doi.org/10.1007/978-3-642-74218-7_4

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Form Factor , Reference Structure , Order Perturbation Theory , Atomic Scattering , Tungsten Atom Physics , Surface and Interface Science, Thin Films , Surfaces and Interfaces, Thin Films

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