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Calculation of the phonon spectrum and the superconducting critical temperature of KC2

✍ Scribed by L. Lang; S. Doyen-Lang; A. Charlier; M.F. Charlier

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 609 KB
Volume: 32
Category: Article
ISSN: 0008-6223
DOI: 10.1016/0008-6223(94)90003-5

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✦ Synopsis

We

propose here a theoretical method using the De Launay model to calculate phonon dispersion curves and density of states y(11) of KCJwith ,r = 2, 3, 6, and 8). With those curves, we evaluate the specific heat C,, the Debye temperature B,, and the h parameter used in ~~c~il1~n.s formula with the help ofthe measured superconducting transition temperature 7;.. The curve A versus the density of intercalated potassium permits the evaluation of the critical temperature of KC, compound.

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