Magnetism in All-Carbon Nanostructures with Negative Gaussian Curvature | Zendy

Noejung Park | Zendy; Mina Yoon | Zendy; Savaş Berber | Zendy; Jisoon Ihm | Zendy; Eiji Ōsawa | Zendy; David Tománek | Zendy

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Magnetism in All-Carbon Nanostructures with Negative Gaussian Curvature

Author(s) -

Noejung Park,

Mina Yoon,

Savaş Berber,

Jisoon Ihm,

Eiji Ōsawa,

David Tománek

Publication year - 2003

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.91.237204

Subject(s) - magnetism , spins , magnetic moment , gaussian curvature , ground state , unpaired electron , curvature , condensed matter physics , ab initio , materials science , carbon fibers , physics , chemical physics , atomic physics , quantum mechanics , electron , mathematics , geometry , composite number , composite material

The electronic and magnetic properties of an sp2 bonded all-carbon nanostructure, consisting of a nanotube junction structurally related to schwarzite, were investigated. The spin density functional theory was used during the investigation. The electronic structure of different tetrapods was calculated using the density functional theory within the local spin density approximation (LSDA). It was found that particular systems, which were related to schwarzite and contain no under-coordinated carbon atoms, carry a net magnetic moment in the ground state. The effect of edge termination on the net magnetic moment of the tetrapod was also studied.open13713

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