Erratum: Magnetic properties of polymerized<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi mathvariant="normal">C</mml:mi><mml:mn>60</mml:mn></mml:msub></mml:math>: The influence of defects and hydrogen [Phys. Rev. B<b>70</b>, 041403(R) (2004)]

Chan, J. A.; Montanari, B.; Gale, Julian D.; Bennington, S. M.; Taylor, J. W.; Harrison, N. M.

doi:10.1103/physrevb.71.049901

Cited by 27 publications

(41 citation statements)

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“…This configuration is nonmagnetic -contrasting with studies of the effect of a hydrogen on a vacancylike defect in fullerenes [32], where a magnetic moment of 3:0 B was observed. However, the local structure in the fullerenes is different, and the undercoordinated carbons cannot saturate bonds with each other due to the increased curvature-induced mechanical strain.…”

Section: H Y S I C a L R E V I E W L E T T E R S Week Ending 29 Octobmentioning

confidence: 60%

Irradiation-Induced Magnetism in Graphite: A Density Functional Study

et al. 2004

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Section: H Y S I C a L R E V I E W L E T T E R S Week Ending 29 Octobmentioning

confidence: 60%

Irradiation-Induced Magnetism in Graphite: A Density Functional Study

et al. 2004

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“…18,19,20,21,22,23,24 Defects of different complexity and topology were considered: carbon vacancies in graphite, 18,19 carbon adatoms on the graphene layer, 20 vacancies in the fullerene cages 21 , partially opened intermediate fullerene cage structures with the zigzag-type edge, 22 the carbon tetrapods with negative Gaussian curvature 23 , and the special open-cage defect structure with the hydrogen atom bonded chemically to one of defect carbon atoms. 24 It is yet unclear whether these defects are present in real fullerene samples (see, however, Ref. 25, where atomic-scale defects were observed in graphene layers) and whether the spin-spin interaction is ferromagnetic and strong enough to account for the high temperature magnetism of polymerized fullerenes.…”

Section: 3mentioning

confidence: 99%

Spin-transfer mechanism of ferromagnetism in polymerized fullerenes:Ab initiocalculations

et al. 2005

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A mechanism of the high temperature ferromagnetism in polymerized fullerenes is suggested. It is assumed that some of the C60 molecules in the crystal become magnetically active due to spin and charge transfer from the paramagnetic impurities (atoms or groups), such as hydrogen, fluorine, hydroxyl group OH, amino group NH2, or methyl group CH3, dispersed in the fullerene matrix. The exchange interaction between the spins localized on the magnetically active fullerenes is evaluated using ab initio calculations. The nearest neighbour and next nearest neighbour exchange interaction is found to be in the range 0.1 ÷ 0.3 eV, that is, high enough to account for the room temperature ferromagnetism.

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“…theoretical and experimental work [35] suggest that hydrogen may play an important role on the magnetic ordering found in fullerenes and is something that one should carefully check in future studies, as the experiments described below indicate.…”

Section: Ferromagnetism In Fullerenesmentioning

confidence: 99%