Local defects and ferromagnetism in graphene layers

Details Local defects and ferromagnetism in graphene layers Local defects and ferromagnetism in graphene layers

2005-05-23

arxiv.org/abs/cond-mat/0505557v1

Phys. Rev. B 72, 155121 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevB.72.155121

We study the changes in the electronic structure induced by lattice defects
in graphene planes. In many cases, lattice distortions give rise to localized
states at the Fermi level. Electron-electron interactions lead to the existence
of local moments. The RKKY interaction between these moments is always
ferromagnetic, due to the semimetallic properties of graphene

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