| Issue |
EPJ Web Conf.
Volume 255, 2021
EOS Annual Meeting (EOSAM 2021)
|
|
|---|---|---|
| Article Number | 09001 | |
| Number of page(s) | 4 | |
| Section | Topical Meeting (TOM) 11- Waves in Complex Photonic Media | |
| DOI | https://doi.org/10.1051/epjconf/202125509001 | |
| Published online | 18 November 2021 | |
https://doi.org/10.1051/epjconf/202125509001
Highly symmetric aperiodic structures -INVITED
School of Mathematics and Statistics, The Open University, Walton Hall, Milton Keynes MK7 6AA, United Kingdom
* e-mail: uwe.grimm@open.ac.uk
Published online: 18 November 2021
The symmetries of periodic structures are severely constrained by the crystallographic restriction. In particular, in two and three spatial dimensions, only rotational axes of order 1, 2, 3, 4 or 6 are possible. Aperiodic tilings can provide perfectly ordered structures with arbitrary symmetry properties. Random tilings can retain part of the aperiodic order as well the rotational symmetry. They offer a more flexible approach to obtain homogeneous structures with high rotational symmetry, and might be of particular interest for applications. Some key examples and their diffraction are discussed.
© The Authors, published by EDP Sciences, 2021
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