Simulations of high-resolution electron microscopy images of icosahedral quasicrystals

We apply the scattering matrix formulation for calculating the images of high-resolution electron microscopy (HREM) images of quasiperiodic crystals and discuss their basic properties. The main feature in the image formation comes from the truncation effects of the q-basis, especially the perpendicu...

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Bibliographic Details
Published in:Philosophical magazine (2003. Print) 2008-05, Vol.88 (13-15), p.1941-1948
Main Authors: Quiquandon, M., Beauchesne, J.-T., Gratias, D.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Crystalline state (including molecular motions in solids)
Exact sciences and technology
Physics
Quasicrystals
Semi-periodic solids
Structure of solids and liquids
crystallography
Theory of crystal structure, crystal symmetry
calculations and modeling
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Summary:We apply the scattering matrix formulation for calculating the images of high-resolution electron microscopy (HREM) images of quasiperiodic crystals and discuss their basic properties. The main feature in the image formation comes from the truncation effects of the q-basis, especially the perpendicular components which must be numerous enough for properly reproducing quasiperiodicity. A comparison between two types of atomic structural model is presented that illustrates the difficulties of differentiating the models from the HREM observations.
ISSN:1478-6435
1478-6443
1478-6433
DOI:10.1080/14786430801914912