Journal
JOURNAL OF APPLIED CRYSTALLOGRAPHY
Volume 55, Issue -, Pages 168-171Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1600576721013492
Keywords
teaching; education; diffraction; reciprocal space
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Funding
- H2020 European Research Council [801847]
- Rontgen-Angstrom Cluster
- European Research Council (ERC) [801847] Funding Source: European Research Council (ERC)
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Crystallography is a crucial tool in materials science, solid state physics, and protein science. This study demonstrates a simple yet insightful experiment using a laser pointer and Au microdisc arrays to explore and illustrate Bragg diffraction and reciprocal space. The Au microdisc arrays were fabricated using standard semiconductor fabrication techniques. The flexibility of the array design allows for the demonstration of basic concepts such as lattice and atomic form factor, as well as more advanced concepts like quasicrystal and shape function.
Crystallography is an invaluable tool in materials science, solid state physics and protein science. Understanding crystallography requires grasping the powerful but abstract concept of reciprocal space. Here a simple but insightful experiment using a laser pointer and Au microdisc arrays to explore and illustrate Bragg diffraction and reciprocal space is demonstrated. The Au microdisc arrays were manufactured using standard semiconductor fabrication techniques. The flexibility of the array design allows the demonstration of basic concepts such as lattice and atomic form factor, but also more advanced ones such as quasicrystal and shape function.
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