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Park, Noejung
Computational Physics & Electronic Structure Lab
Research Interests
  • Electronic structure calculation, computational physics, computational material science

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Magnetism in all-carbon nanostructures with negative gaussian curvature

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Title
Magnetism in all-carbon nanostructures with negative gaussian curvature
Author
Park, NoejungYoon, MBerber, SIhm, JOsawa, ETomanek, D
Keywords
RATE LASER-ABLATION; GRAPHITIC CARBON; MODEL; STATE; EDGE; PSEUDOPOTENTIALS; MICROTUBULES; SYSTEMS; DIAMOND; RIBBONS
Issue Date
2003-12
Publisher
AMERICAN PHYSICAL SOC
Citation
PHYSICAL REVIEW LETTERS, v.91, no.23, pp. -
Abstract
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.
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DOI
10.1103/PhysRevLett.91.237204
ISSN
0031-9007
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PHY_Journal Papers
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