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Zeitschrift für Kristallographie - Crystalline Materials

Editor-in-Chief: Pöttgen, Rainer

Ed. by Antipov, Evgeny / Bismayer, Ulrich / Boldyreva, Elena V. / Friese, Karen / Huppertz, Hubert / Tiekink, E. R. T.

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Volume 223, Issue 11-12


Are clusters physical entities?

Frohmut Rösch / Hans-Rainer Trebin
Published Online: 2008-03-31 | DOI: https://doi.org/10.1524/zkri.2008.1056


Complex metallic alloys frequently exhibit atomic clusters as structural units. In quasicrystals, they are densely arranged retaining an overall long-range quasiperiodic translational order. Thus, clusters are geometrical entities. The often posed question is, whether these are also responsible for physical properties. Fracture experiments and simulations strongly point towards a positive answer. However, a recent analysis of experimental fracture surfaces questions a signature of the clusters. From the self-affine behavior of a model system it is shown that the findings cannot vitiate the role of the clusters in the fracture process.

Keywords: Quasicrystals; Clusters; Fracture; Surfaces

About the article

* Correspondence address: Stuttgart, Deutschland,

Published Online: 2008-03-31

Published in Print: 2008-12-01

Citation Information: Zeitschrift für Kristallographie International journal for structural, physical, and chemical aspects of crystalline materials, Volume 223, Issue 11-12, Pages 827–829, ISSN (Print) 0044-2968, DOI: https://doi.org/10.1524/zkri.2008.1056.

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