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Type: Artigo de periódico
Title: Testing the magnetism of polymerized fullerene
Author: Boukhvalov, DW
Karimov, PF
Kurmaev, EZ
Hamilton, T
Moewes, A
Finkelstein, LD
Katsnelson, MI
Davydov, VA
Rakhmanina, AV
Makarova, TL
Kopelevich, Y
Chiuzbaian, S
Neumann, M
Abstract: We present band structure calculations of rhombohedral C-60 performed in the local-spin-density approximation. Rhombohedral C-60(Rh-C-60) is a two-dimensional polymer of C-60 with trigonal topology. No magnetic solution exists for Rh-C-60 and energy bands with different spins are found to be identical and not split. The calculated C 2p partial density of states is compared to carbon K-edge x-ray emission and absorption spectra and shows good agreement. It is concluded that the rhombohedral distortion of C-60 itself cannot induce magnetic ordering in the molecular carbon. The result of magnetization measurements performed on the same Rh-C-60 sample corroborates this conclusion.
Country: EUA
Editor: Amer Physical Soc
Citation: Physical Review B. Amer Physical Soc, v. 69, n. 11, 2004.
Rights: aberto
Identifier DOI: 10.1103/PhysRevB.69.115425
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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