Magnetic structure of endohedral fullerenes
by Syed Sibghatullah Kazmi, Amal A.A Abou-Hajar, Mohammed Saeed G. Al-Ahmadi, Khursheed Athar Siddiqui
International Journal of Nanoparticles (IJNP), Vol. 2, No. 1/2/3/4/5/6, 2009

Abstract: The fullerene molecule, C₆₀, has the capability to host a variety of atoms inside an icosahedral cage. Endohedrally doped fullerene structures are important to understand the behaviour of atoms with unfilled f shell. Electronic structure and magnetism of rare earth doped endohedral fullerenes with icosahedral symmetries are studied. A many body perturbation theory has been used to calculate the exchange interactions among the pairs of rare earth ions with two f-electrons. The ground multiplet of pairs is found to be non-magnetic. Possibilities of Raman transitions are also discussed. It is expected that the present approach will lead to an understanding of the magnetism of nano-materials.

Online publication date: Wed, 30-Sep-2009

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