Mombrú, A. W. et al. Multilevel ferromagnetic behavior of room-temperature bulk magnetic graphite. Phys. Rev. B 71, 100404(R) (2005).
Esquinazi, P. et al. Induced magnetic ordering by proton irradiation in graphite. Phys. Rev. Lett. 91, 227201 (2003).
Esquinazi, P. et al. Ferromagnetism in oriented graphite samples. Phys. Rev. B 66, 024429 (2002).
Esquinazi, P. & Höhne, R. Magnetism in carbon structures. J. Magn. Magn.Mater. 290–291, 20–27 (2005).
Makarova, T. L. et al. Magnetic carbon. Nature 413, 716–718 (2001); see however Retraction: Nature440, 707 (2006).
Rode, A. V. et al. Unconventional magnetism in all-carbon nanofoam. Phys. Rev. B 70, 054407 (2004).
Ohldag, H. et al. π-electron ferromagnetism in metal-free carbon probed by soft X-ray dichroism. Phys. Rev. Lett. 98, 187204 (2007).
Talapatra, S. et al. Irradiation-induced magnetism in carbon nanostructures. Phys. Rev. Lett. 95, 097201 (2005).
Ovchinnikov, A. A. & Spector, V. N. Organic ferromagnets. Synth. Mater. 27, B615–B624 (1988).
Park, N. et al. Magnetism in all-carbon nanostructures with negative Gaussian curvature. Phys. Rev. Lett. 91, 237204 (2003).
Fujita, M., Wakabayashi, K., Nakada, K. & Kusakabe, K. Peculiar localized state at zigzag graphite edge. J. Phys. Soc. Jpn 65, 1920–1923 (1996).
Son, Y.-W., Cohen, M. L. & Louie, S. G. Half-metallic graphene nanoribbons. Nature 444, 347–349 (2006).
Yazyev, O. V. & Katsnelson, M. I. Magnetic correlations at graphene edges: Basis for novel spintronics devices. Phys. Rev. Lett. 100, 047209 (2008).
Lehtinen, P. O. et al. Irradiation-induced magnetism in graphite: A density functional study. Phys. Rev. Lett. 93, 187202 (2004).
Yazyev, O. V. & Helm, L. Defect-induced magnetism in graphene. Phys. Rev. B 75, 125408 (2007).
Yazyev, O. V. Magnetism in disordered graphene and irradiated graphite. Phys. Rev. Lett. 101, 37203 (2008).
Faccio, R. et al. Magnetism induced by single carbon vacancies in a three-dimensional graphitic network. Phys. Rev. B 77, 035416 (2008).
Kopelevich, Y., Esquinazi, P., Torres, J. H. S. & Moehlecke, S. Ferromagnetic- and superconducting-like behavior of graphite. J. Low. Temp. Phys. 119, 691–702 (2000).
Coey, J. M. D., Venkatesan, M., Fitzgerald, C. B., Douvalis, A. P. & Sanders, I. S. Ferromagnetism of a graphite nodule from the Canyon Diablo meteorite. Nature 420, 156–159 (2002).
Červenka, J. & Flipse, C. F. J. The role of defects on the electronic structure of a graphite surface. J. Phys. Conf. Ser. 61, 190–194 (2007).
Červenka, J. & Flipse, C. F. J. Structural and electronic properties of grain boundaries in graphite: Planes of periodically distributed point defects. Phys. Rev. B 79, 195429 (2009).
Kebe, T. & Carl, A. Calibration of magnetic force microscopy tips by using nanoscale current-carrying parallel wires. J. Appl. Phys. 95, 775–792 (2004).
Lu, Y. et al. Electrostatic force microscopy on oriented graphite surfaces: Coexistence of insulating and conducting behaviors. Phys. Rev. Lett. 97, 076805 (2006).
Kobayashi, Y. et al. Observation of zigzag and armchair edges of graphite using scanning tunneling microscopy and spectroscopy. Phys. Rev. B 71, 193406 (2005).
Niimi, Y. et al. Scanning tunneling microscopy and spectroscopy of the electronic local density of states of graphite surfaces near monoatomic step edges. Phys. Rev. B 73, 085421 (2006).
Kobayashi, Y. et al. Edge state on hydrogen-terminated graphite edges investigated by scanning tunneling microscopy. Phys. Rev. B 73, 125415 (2006).
Niimi, Y., Kambara, H., Matsui, T., Yoshioka, D. & f*ckuyama, H. Phys.Rev.Lett. 97, 236804 (2006).
Peres, N. M. R., Guinea, F. & Neto, A. H. C. Electronic properties of disordered two-dimensional carbon. Phys. Rev. B 73, 125411 (2006).
Vozmediano, M. A. H., Lopez-Sancho, M. P., Stauber, T. & Guinea, F. Local defects and ferromagnetism in graphene layers. Phys. Rev. B 72, 155121 (2005).
Wehling, T. O. et al. Local electronic signatures of impurity states in graphene. Phys. Rev. B 75, 125425 (2007).
Kumazaki, H. & Hirashima, D. S. Tight-binding study of nonmagnetic-defect-induced magnetism in graphene. Fyz. Nizk. Temp. 34, 1025–1032 (2008).
Allenspach, R. Ultrathin films: Magnetism on the microscopic scale. J. Magn. Magn. Mater. 129, 160–185 (1994).
Pedreschi, F., Sturm, J. M., O’Mahony, J. D. & Flipse, C. F. J. Magnetic force microscopy and simulations of colloidal iron nanoparticles. J. Appl. Phys. 94, 3446–3450 (2003).
Wagoner, G. Spin resonance of charge carriers in graphite. Phys. Rev. 118, 647–653 (1960).
Irkhin, V. Y., Katanin, A. A. & Katsnelson, M. I. Self-consistent spin-wave theory of layered Heisenberg magnets. Phys. Rev. B 60, 1082–1099 (1999).
