Electron density as the main parameter influencing the formation of fullerenes in a carbon plasma
Churilov G.N.1, Novikov P.V.2, Lopatin V.A.2, Vnukova N.G.2, Bulina N.V.1, Bachilo S.M.3, Tsyboulski D.3, Weisman R.B.3
1Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
2Krasnoyarsk State Technical University, Krasnoyarsk, Russia
3Rice University, TX Houston, USA
Email: churilov@iph.krasn.ru
Выставление онлайн: 17 февраля 2002 г.
Thermodynamic estimates are presented for the formation of spheroidal and flat carbon clusters from reactant species of different charges. Charge is shown to strongly influence the geometry and stability of flat clusters. Changes in the charge of flat clusters can promote both their folding to spheroidal structures and their dissociation. It is cuncluded that the fluctuations of electron concentration in carbon plasmas can result in the accumulation of fullerene clusters and the dissociation of flat clusters. The research described in this publication was made possible in part by Award RE1-2231 of the U.S. Civilian Research & Development Foundation for the Independent States of the Former Soviet Union (CRDF). Any opinions, findings and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect those of the CRDF. The work is also partially supported by the Russian State Program "Fullerenes and Atomic Clusters" (N 5-3-00) and RF Education Ministry program "Sceintific research of high school in priority directions of science and technique" (N 201.05.01.001).
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