Magnetism in hybrid carbon nanostructures : nanobuds
The robust magnetic state of recently synthesized hybrid carbon nanostructures, i.e., nanobuds, is predicted through comprehensive spin-polarized density-functional calculations. The effects of chirality, curvature, and topology on the ma...
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Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
2011
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Subjects: | |
Online Access: | https://hdl.handle.net/10356/92331 http://hdl.handle.net/10220/6904 |
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Institution: | Nanyang Technological University |
Language: | English |
Summary: | The robust magnetic state of recently synthesized hybrid carbon nanostructures, i.e., nanobuds, is predicted
through comprehensive spin-polarized density-functional calculations. The effects of chirality, curvature, and
topology on the magnetism of nanobuds are scrutinized by detailed electronic structure analysis. The substantial
emergent amounts of unpaired spins originate in the presence of carbon radicals introduced by the
geometry-induced electronic frustration. The location of radicals is mainly on the nanotube surface within the
connecting region with fullerene, rather than surfaces with negative Gaussian curvature. The magnetic
nanobuds hold great promise in the field of spintronics owing to their ready accessibility by experimental
synthesis and fabrication. |
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