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The Chemical Educator

ISSN: 1430-4171 (electronic version)

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Abstract Volume 8 Issue 6 (2003) pp 358-363

Quasicrystals: Comparison with Crystals, Construction of 2-D Lattices, and Demonstrations Using a Laser Pointer

Vladimir M. Petruševski,*,†Sašo M. Kalajdžievski, and Metodija Ž. Najdoski

Institut za hemija, PMF, Arhimedova 5, P.O. Box 162, 1000 Skopje, Macedonia and Department of Mathematics, University of Manitoba, Winnipeg, Canada,
Received June 24, 2002. Accepted October 5, 2003.

Published online: 23 October 2003

Abstract. We use photographic slides of aperiodic Penrose and Ammann tilings as two-dimensional diffraction gratings to describe and demonstrate some important basic properties of two- and three-dimensional quasicrystals.

Key Words:  Laboratories and Demonstrations; inorganic chemistry; quasicrystals; Penrose tiling; Ammann tiling; diffraction; Fibonacci lattices; crystal symmetry; crystals

(*) Corresponding author. (E-mail:

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Issue date: December 1, 2003

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