Abstract
The structure and electron properties of Na n C60 (n = 2, 3) sodium fullerides synthesized from simple compounds in toluene were studied. It was shown that Na2C60 fulleride forms a face-centered cubic lattice at temperatures above 300 K. As the temperature is lowered, the phase transition to a structure with a simple cubic lattice takes place. The temperature dependences of the properties of Na3C60 with a more complex structure exhibit features that are presumably due to sodium atom redistribution in the Na3C60 fulleride lattice and the formation of sodium ion clusters.
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Original Russian Text © N.B. Brandt, B.M. Bulychev, Yu.A. Velikodnyi, A.V. Zoteev, E.A. Konstantinova, A.V. Krechetov, V.A. Kul’bachinskii, V.G. Kytin, V.P. Tarasov, 2009, published in Vestnik Moskovskogo Universiteta. Fizika, 2009, No. 2, pp. 65–69.
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Brandt, N.B., Bulychev, B.M., Velikodnyi, Y.A. et al. Features of structure and properties of Na n C60 (n = 2, 3) fullerides synthesized in toluene. Moscow Univ. Phys. 64, 172–176 (2009). https://doi.org/10.3103/S0027134909020155
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DOI: https://doi.org/10.3103/S0027134909020155