An Essential Guide to Electronic Material Surfaces and Interfaces by Brillson Leonard J.;

Author:Brillson, Leonard J.;
Language: eng
Format: epub
Publisher: John Wiley & Sons, Incorporated
Published: 2015-09-28T00:00:00+00:00

Figure 9.3 (a) Photograph of normal incident LEED pattern of the cleaved GaAs(110) surface using 150 eV incident electron beam energy. To the left, each spot is indexed according to its primitive vectors.(b) Ewald sphere with rods of the two-dimensional reciprocal lattice, incident wave vector , diffracted wave vector , and a momentum transfer along the direction, shown here for the (03) beam.

(Kahn, A. 1983 [1]. Reproduced with permission of North Holland.)

9.1.4 LEED Reconstructions, Surface Lattices, and Superstructures

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