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Ewels, C. P., Rocquefelte, X., Kroto, H. W., Rayson, M. J., Briddon, P. R. & Heggie, M. I. (2015) Predicting experimentally stable allotropes: Instability of penta-graphene. Proc. Natl. Acad. Sci. U. S. A. 112 15609–15618. 
Added by: Laurent Cournède (2016-03-10 18:36:40)
Type de référence: Article
DOI: 10.1073/pnas.1520402112
Numéro d'identification (ISBN etc.): 0027-8424
Clé BibTeX: Ewels2015
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Catégories: PMN
Mots-clés: allotropes, femtosecond quantum control, ground-state, Haeckelite, laser control, modeling, nanocarbon, penta-graphene, phase, pulse, raman-spectroscopy, solvation dynamics, stark spectroscopy, stimulated raman, wave-packet
Créateurs: Briddon, Ewels, Heggie, Kroto, Rayson, Rocquefelte
Collection: Proc. Natl. Acad. Sci. U. S. A.
Consultations : 6/447
Indice de consultation : 1%
Indice de popularité : 0.25%
Résumé     
In recent years, a plethora of theoretical carbon allotropes have been proposed, none of which has been experimentally isolated. We discuss here criteria that should be met for a new phase to be potentially experimentally viable. We take as examples Haeckelites, 2D networks of sp(2)-carbon-containing pentagons and heptagons, and "penta-graphene," consisting of a layer of pentagons constructed from a mixture of sp(2)- and sp(3)-coordinated carbon atoms. In 2D projection appearing as the "Cairo pattern," penta-graphene is elegant and aesthetically pleasing. However, we dispute the author's claims of its potential stability and experimental relevance.
Added by: Laurent Cournède  
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