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ZhETF, Vol. 146, No. 5, p. 973 (November 2014)
(English translation - JETP, Vol. 119, No. 5, p. 854, November 2014 available online at )

Girzhon V.V., Smolyakov O.V., Zakharenko M.I.

Received: January 28, 2014

DOI: 10.7868/S0044451014110091

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We prove the possibility to use the method of modeling of a quasi-lattice with octagonal symmetry similar to that proposed earlier for the decagonal quasicrystal. The method is based on the multiplication of the groups of basis sites according to specified rules. This model is shown to be equivalent to the method of the periodic lattice projection, but is simpler because it considers merely two-dimensional site groups. The application of the proposed modeling procedure to the reciprocal lattice of octagonal quasicrystals shows a fairly good matching with the electron diffraction pattern. Similarly to the decagonal quasicrystals, the possibility of three-index labeling of the diffraction reflections is exhibited in this case. Moreover, the ascertained ratio of indices provides information on the intensity of diffraction reflections.

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