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|Title:||Comparative study of the heat capacity of icosahedral quasicrystals in solid and liquid states|
|Authors:||Prekul, A. F.|
Shchegolikhina, N. I.
Gaiduchenko, A. B.
Grushevskii, K. I.
|Citation:||Comparative study of the heat capacity of icosahedral quasicrystals in solid and liquid states / A. F. Prekul, N. I. Shchegolikhina, A. B. Gaiduchenko [и др.] // Physics of the solid state. — 2011. — Vol. 53, iss. 10. — P. 1987-1990.|
|Abstract:||The heat capacity of icosahedral quasicrystals Al63Cu25Fe12 and Al62Cu25.5Fe12.5 has been studied at high temperatures up to 1700 K, which is by almost 400 K higher than the melting point of the material. It has been shown that the melt exhibits an excess heat capacity with respect to that determined by the Dulong-Petit law and that is a direct extension of the excess heat capacity of the solid state. It has been concluded that the excess heat capacity is related, as a whole, to the short-range order in the quasicrystal structure. This circumstance allows the identification of the orbital hybridization as the most probable mechanism of formation of the pseudogap in the electronic structure of the quasicrystals.|
|Appears in Collections:||Научные публикации, проиндексированные в Scopus и Web of Science|
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