Magnetism in amorphous carbon

@article{Sakai2018MagnetismIA,
  title={Magnetism in amorphous carbon},
  author={Yuki Sakai and James R. Chelikowsky and Marvin L. Cohen},
  journal={Physical Review Materials},
  year={2018},
  url={https://api.semanticscholar.org/CorpusID:103093007}
}
We investigate magnetism in amorphous carbon as suggested by the recently reported ferromagnetism in a new form of amorphous carbon. We use spin constrained first-principles simulations to obtain… 
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44 References

Magnetism in all-carbon nanostructures with negative Gaussian curvature.

It is found that particular systems, which are related to schwarzite and contain no undercoordinated carbon atoms, carry a net magnetic moment in the ground state, and postulate that, in this and other nonalternant aromatic systems with negative Gaussian curvature, unpaired spins can be introduced by sterically protected carbon radicals.

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