Two component doping of fullerene-cubane cocrystals

Kurti, Jeno and Koltai, Janos and Zolyomi, Viktor and Pekker, Sandor (2009) Two component doping of fullerene-cubane cocrystals. physica status solidi (b), 246 (11-12). pp. 2618-2621. ISSN 0370-1972

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We present a first principles study of the electronic band structure of doped fullerene–cubane (C60C8H8) cocrystals using density functional theory at the local density approximation level. Three high symmetry orientations of the fullerene molecules were considered. The calculated electronic bands of the fullerene–cubane cocrystal are narrower than those of the pristine fullerene, indicating a possible higher superconducting critical temperature in the doped cocrystal. However, the charge transfer turned out to be incomplete thus acting in the opposite way. Different oxidation state of the fullerene molecules can be achieved by doping with various alkali (K, Na) and alkali earth (Ba, Ca) atoms. Depiction of the C60C8H8 cocrystal. The large green and orange orbs are the tetrahedral voids, which can in principle be filled with, for example, alkali or alkali earth atoms.

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Journal Article
Journal or Publication Title:
physica status solidi (b)
Additional Information:
23rd Winterschool on Electronic Properties of Novel Materials, Kirchberg, GERMANY, MAR 14, 2009
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Deposited On:
16 Jul 2012 08:41
Last Modified:
21 Nov 2022 22:32