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Mechanical properties of metals below 1 K

โœ Scribed by I.N. Kuzmenko; V.V. Pustovalov


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
976 KB
Volume
25
Category
Article
ISSN
0011-2275

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Slow mechanical relaxations of polymetha
โœ W. Hickel; G. Kasper ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 364 KB

We have measured the temperature dependence of sound velocity and internal friction of three polymethacrylates (PMMA, PEMA, PBMA) at audio frequencies using a vibrating reed technique. Below helium temperature, all the samples show the typical behaviour predicted by the tunneling model: a temperatur