Nonmagnetic-Defect-Induced Magnetism in Graphene

Details Nonmagnetic-Defect-Induced Magnetism in Graphene Nonmagnetic-Defect-Induced Magnetism in Graphene

2007-03-22

arxiv.org/abs/cond-mat/0703570v2

J. Phys. Soc. Jpn. 76 (2007) 064713

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 8 figures

Scientific paper

10.1143/JPSJ.76.064713

It is shown that a strong impurity potential induces short-range
antiferromagnetic (ferrimagnetic) order around itself in a Hubbard model on a
half-filled honeycomb lattice. This implies that short-range magnetic order is
induced in monolayer graphene by a nonmagnetic defect such as a vacancy with
full hydrogen termination or a chemisorption defect.

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