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Energy and optical absorption spectra of endohedral metallofullerenes with Gd or Ho as strongly correlated π-electron systems

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Abstract

Isomerically pure endohedral metallofullerenes Gd@C82(C2v), Ho@C82(C 2v ), and their monoanions have been synthesized and separated. The optical absorption spectra of solutions of obtained compounds in o-dichlorobenzene have been studied. Within the Hubbard model, the energy spectrum of isomer of C 2v symmetry (no. 9) of fullerene С82 has been calculated. Based on the obtained spectrum, optical absorption spectra of endohedral metallofullerenes Gd@C82 and Ho@C82 and their monoanions have been simulated. The calculated optical absorption spectra have been compared with experimental ones; it has been found that qualitative agreement between them is observed.

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Correspondence to V. P. Bubnov.

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Original Russian Text © V.P. Bubnov, I.E. Kareev, B.V. Lobanov, A.I. Murzashev, V.M. Nekrasov, 2016, published in Fizika Tverdogo Tela, 2016, Vol. 58, No. 8, pp. 1639–1645.

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Bubnov, V.P., Kareev, I.E., Lobanov, B.V. et al. Energy and optical absorption spectra of endohedral metallofullerenes with Gd or Ho as strongly correlated π-electron systems. Phys. Solid State 58, 1698–1704 (2016). https://doi.org/10.1134/S1063783416080072

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  • DOI: https://doi.org/10.1134/S1063783416080072

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