Hydrogen Materials Science and Chemistry of Carbon by T. Nejat Veziroglu, Svetlana Yu. Zaginaichenko, Dmitry V.

By T. Nejat Veziroglu, Svetlana Yu. Zaginaichenko, Dmitry V. Schur, B. Baranowski, Anatoliy P. Shpak, Valeriy V. Skorokhod

The 2003 foreign convention "Hydrogen fabrics technology and Chemistry of Carbon Nanomaterials" used to be held in September 2003. within the culture of the sooner ICHMS meetings, this assembly served as an interdisciplinary discussion board for the presentation and dialogue of the newest learn on transition to hydrogen-based power structures, applied sciences for hydrogen creation, garage, usage, fabrics, strength and environmental difficulties. the purpose of the amount is to supply an outline of the newest medical effects on learn and improvement within the various subject matters mentioned above. The representatives from undefined, public laboratories, universities and governmental enterprises have offered the latest advances in hydrogen options, tactics and structures, to judge present growth in those parts of investigations and to spot promising learn instructions for the long run.

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Extra info for Hydrogen Materials Science and Chemistry of Carbon Nanomaterials: Proceedings of the NATO Advanced Research Workshop on Hydrogen Materials Science an Chemistry ... II: Mathematics, Physics and Chemistry)

Example text

In this case some of interstitial sites can not be occupied by hydrogen atoms; G (Ol ) , G (Θl ) , G (Ql ) , G (Dl ) are the numbers of O, Ĭ, Q, D interstitial sites, respectively, with lth configuration of fullerenes, N H →O = ¦ N (Ol) , N H →Θ = ¦ N (Θl) , N H →Q = ¦ N (Ql) , N H →D = ¦ N (Dl) l l l (4) l are the numbers of hydrogen atoms in O, Ĭ, Q, D positions with any configuration, N H = N H →O + N H →Θ + N H →Q + N H → D (5) is the total number of hydrogen atoms, c O = N H → O / N , c Θ = N H → Θ / N, c Q = N H → Q / N, c D = N H → D / N (6) are hydrogen atoms concentrations in O, Ĭ, Q, D interstices in relation to the number of lattice sites (fullerenes) of the crystal c = cO + cΘ + cQ + c D (7) is the total hydrogen concentration determining its solubility, c1, c2 are F1, F2 fullerenes concentrations, ɫ1+ɫ2=1.

Vol. 347. P. 354. 49. R. Fullerites: new form of crystalline carbon // Carbon. 1992. Vol. 30. N 8. P. 1143-1147. 50. C. Fullerenes and giant fullerenes: synthesis, separation and mass-spectrometric characterization // Carbon. 1992. Vol. 30. N 8. P. 1167-1182. 51. M. Fullereny // Uspekhi fiz. Khimii. 1993. V. 163. ʋ 2. P. 33-60. 52. B. Poluchenie sazhy s vysokim soderganiem fullerenov C60 i C70 metodom elektricheskoy dugi // Izv. RAN. Ser. Khim. 1994. ʋ 5. P. 805-809. 53. , Renker B. // Proceed.

Considering formulae (8), we find the free energy for carbyne as follows 2 5 5 5 ′ + υ11 ′′ ) + c 22 (11υ 22 ′ + υ 22 ′′ ) + 2c1c 2 (11υ12 ′ + υ12 ′′ )] − FC = − N [c12 (11υ11 9 2 2 2 5 ′′ − υ11 ′′ − υ 22 ′′ )η C2 + − N (2υ12 36 1 1 1 1 1 + kTN [(c1 + η C )ln(c1 + η C ) + (c1 − η C )ln(c1 − η C ) + 2 2 2 2 2 1 1 1 1 + (c 2 − η c )ln(c 2 − η C ) + (c 2 + η C )ln(c 2 + η C )] , 2 2 2 2 (23) where ′ = υ11 (d ) , υ 22 ′ = υ 22 (d ) , υ12 ′ = υ12 (d ) , υ11 (24) ′′ = υ11 (a) , υ 22 ′′ = υ 22 (a ) ,υ12 ′′ = υ12 (a) .

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