Elastic properties of quasicrystals

The elastic properties of several families of quasicrystals have been measured between 0.010 and 100 K. Their speed of sound varies linearly with temperature above 4 K, and their internal friction approaches a temperature-independent value below 4 K. These two quantities are proportional to each oth...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 1996-04, Vol.219 (1-4), p.345-347
Main Authors: VanCleve, J.E., White, B.E., Pohl, R.O.
Format: Article
Language:English
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Summary:The elastic properties of several families of quasicrystals have been measured between 0.010 and 100 K. Their speed of sound varies linearly with temperature above 4 K, and their internal friction approaches a temperature-independent value below 4 K. These two quantities are proportional to each other even when the damping is much smaller than in any amorphous solid. It is concluded that the elastic properties of quasicrystals span the range from nearly perfect crystals to amorphous solids.
ISSN:0921-4526
1873-2135
DOI:10.1016/0921-4526(95)00740-7