Elastic and acoustic characteristics of a three-dimensional carbon supracrystal (C)CTO

Elastic and acoustic characteristics of a three-dimensional carbon supracrystal (C)CTO

The force constants of the central and noncentral interactions of carbon atoms in a three-dimensional supracrystal (C) CTO have been calculated using the ab initio and Harrison bond-orbital methods. The components of the elastic rigidity tensor and the propagation velocity of elastic waves in the su...

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Veröffentlicht in:Physics of the solid state 2012-07, Vol.54 (7), p.1471-1474
Hauptverfasser: Brazhe, R. A., Kochaev, A. I.
Format: Artikel
Sprache:eng
Schlagworte:
Lattice Dynamics
Physics
Physics and Astronomy
Solid State Physics
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Zusammenfassung:The force constants of the central and noncentral interactions of carbon atoms in a three-dimensional supracrystal (C) CTO have been calculated using the ab initio and Harrison bond-orbital methods. The components of the elastic rigidity tensor and the propagation velocity of elastic waves in the supracrystal have been calculated. The results are close in magnitude to corresponding characteristics of diamond.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783412070104