Oxygen adsorption effect on magnetic properties of graphite

Details Oxygen adsorption effect on magnetic properties of graphite Oxygen adsorption effect on magnetic properties of graphite

2011-06-28

arxiv.org/abs/1106.5565v1

Phys. Rev. B 83, 233408 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

14 pages, 6 figures

Scientific paper

10.1103/PhysRevB.83.233408

Both experimental and theoretical studies of the magnetic properties of micrographite and nanographite indicate a crucial role of the partial oxidation of graphitic zigzag edges in ferromagnetism. In contrast to total and partial hydrogenation, the oxidation of half of the carbon atoms on the graphite edges transforms the antiferromagnetic exchange interaction between graphite planes and over graphite ribbons to the ferromagnetic interaction. The stability of the ferromagnetism is discussed.

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