Half-metallic graphene nanoribbons View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2006-11

AUTHORS

Young-Woo Son, Marvin L. Cohen, Steven G. Louie

ABSTRACT

Go halves on metalsThe existence of curious materials called 'half metals' is predicted: they are metallic only for half of the available free electrons, namely those in a particular spin orientation. For the other half of electrons, with the opposite spin, a half-metal is insulating. There is some experimental evidence for half-metallic behaviour, and substantial efforts are being made to find such materials that could be of practical use in spintronics. Based on first-principles calculations, Son et al. predict half-metallic behaviour in nanometre-scale ribbons of graphene. The property emerges when homogeneous electric fields are applied across the nanoribbons, with the zigzag-shaped edges attached to the voltage contacts. This work could be a step towards graphene-based nanospintronics. More... »

PAGES

347-349

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/nature05180

DOI

http://dx.doi.org/10.1038/nature05180

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1006934660

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/17108960


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