Half-metallic graphene nanoribbons

Nature

Volumn 444, Issue 7117, 2006, Pages 347-349

  Son, Young Woo ^a,b   Cohen, Marvin L ^a,b   Louie, Steven G ^a,b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b LAWRENCE BERKELEY NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DEGREES OF FREEDOM (MECHANICS); ELECTRIC CURRENTS; ELECTRIC FIELDS; ELECTRONIC STRUCTURE; ELECTRONS; MANGANESE COMPOUNDS; PEROVSKITE;

GRAPHENE; HEUSLER COMPOUNDS; MANGANESE PEROVSKITE; SPIN POLARIZATION;

NANOSTRUCTURED MATERIALS;

GRAPHENE; METAL ION; UNCLASSIFIED DRUG;

ALLOY; ELECTRIC FIELD; ELECTRON; MAGNETIC MINERAL; MAGNETIC PROPERTY;

ARTICLE; ELECTRIC FIELD; ELECTRON SPIN RESONANCE; ELECTRONICS; MAGNETISM; MATHEMATICAL COMPUTING; NANOPARTICLE; NANORIBBON; PRIORITY JOURNAL;

EID: 33751110207     PISSN: 00280836     EISSN: 14764679     Source Type: Journal    
DOI: 10.1038/nature05180     Document Type: Article

References (30)

1. de Groot, R. A., Mueller, F. M., van Engen, P. G. & Buschow, K. H. J. New class of materials: half-metallic ferromagnets. Phys. Rev. Lett. 50, 2024-2027 (1983).
2. Park, J-H. et al. Direct evidence for a half-metallic ferromagnet. Nature 392, 794-796 (1998).
3. Wolf, S. A. et al. Spintronics: A spin-based electronics vision for the future. Science 294, 1488-1495 (2001).
4. Fang, C. M., de Wijs, G. A. & de Groot, R. A. Spin-polarization in half-metals. J. Appl. Phys. 91, 8340-8344 (2002).
5. McEuen, P. L., Fuhrer, M. S. & Park, H. Single-walled carbon nanotube electronics. IEEE Trans. Nanotechnol. 1, 78-85 (2002).
6. Murakami, S., Nagaosa, N. & Zhang, S-C. Dissipationless quantum spin current at room temperature. Science 301, 1348-1351 (2003).
7. Sinova, J. et al. Universal intrinsic spin Hall effect. Phys. Rev. Lett. 92, 126603 (2004).
8. Berger, C. et al. Ultrathin epitaxial graphite: 2D electron gas properties and a route toward graphene-based nanoelectronics. J. Phys. Chem. B 108, 19912-19916 (2004).
9. Novoselov, K. S. et al. Two-dimensional gas of massless Dirac fermions in graphene. Nature 438, 197-200 (2005).
10. Zhang, Y., Tan, Y-W., Stormer, H. L. & Kim, P. Experimental observation of the quantum Hall effect and Berry's phase in graphene. Nature 438, 201-204 (2005).
11. Berger, C. et al. Electronic confinement and coherence in patterned epitaxial graphene. Science 312, 1191-1196 (2006).
12. Fujita, M., Wakabayashi, K., Nakada, K. & Kusakabe, K. Peculiar localized state at zigzag graphite edge. J. Phys. Soc. Jpn. 65, 1920-1923 (1996).
13. Nakada, K., Fujita, M., Dresselhaus, G. & Dresselhaus, M. S. Edge state in graphene ribbons: nanometer size effect and edge shape dependence. Phys. Rev. B 54, 17954-17961 (1996).
14. Wakabayashi, K., Fujita, M., Ajiki, H. & Sigrist, M. Electronic and magnetic properties of nanographite ribbons. Phys. Rev. B 59, 8271-8282 (1999).
15. Miyamoto, Y., Nakada, K. & Fujita, M. First-principles study of edge states of H-terminated graphitic ribbons. Phys. Rev. B 59, 9858-9861 (1999).
16. Kobayashi, Y., Fukui, K-I., Enoki, T., Kusakabe, K. & Kaburagi, Y. Observation of zigzag and armchair edges of graphite using scanning tunneling microscopy and spectroscopy. Phys. Rev. B 71, 193406 (2005).
17. 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).
18. Okada, S. & Oshiyama, A. Magnetic ordering in hexagonally bonded sheets with first-row elements. Phys. Rev. Lett. 87, 146803 (2001).
19. Lee, H., Son, Y-W., Park, N., Han, S. & Yu, J. Magnetic ordering at the edges of graphitic fragments: Magnetic tail interactions between the edge-localized states. Phys. Rev. B 72, 174431 (2005).
20. Son, Y-W., Ihm, J., Cohen, M. L., Louie, S. G. & Choi, H. J. Electrical switching in metallic carbon nanotubes. Phys. Rev. Lett. 95, 216602 (2005).
21. Soler, J. M. et al. The SIESTA method for ab intio order-N materials simulation. J. Phys. Condens. Matter 14, 2745-2779 (2002).
22. Perdew, J. P. & Zunger, A. Self-interaction correction to density-functional approximations for many-electron systems. Phys. Rev. B 23, 5048-5079 (1981).
23. Lieb, E. H. Two theorems on the Hubbard model. Phys. Rev. Lett. 62, 1201-1204 (1989).
24. Mermin, N. D. & Wagner, H. Absence of ferromagnetism or antiferromagnetism in one- or two-dimensional isotropic Heisenberg models. Phys. Rev. Lett. 17, 1133-1136 (1966).
25. Gambardella, P. et al. Ferromagnetism in one-dimensional monatomic metal chains. Nature 416, 301-304 (2002).
26. Dorantes-Dávila, J. & Pastor, G. M. Magnetic anisotropy of one-dimensional nanostructures of transition metals. Phys. Rev. Lett. 81, 208-211 (1998).
27. Vindigni, A., Rettori, A., Pini, M. G., Carbone, C. & Gambardella, P. Finite-sized Heisenberg chains and magnetism of one-dimensional metal systems. Appl. Phys. A 82, 385-394 (2006).
28. Delin, A., Tossati, E. & Weht, R. Magnetism in atomic-size palladium contacts and nanowires. Phys. Rev. Lett. 92, 057201 (2004).
29. Yao, Y., Ye, F., Qi, X-L., Zhang, S-C. & Fang, Z. Spin-orbit gap of graphene. Preprint at 〈http://arxiv.org/abs/cond-mat/0606350〉 (2006).
30. Min, H. et al. Intrinsic and Rashba spin-orbit interactions in graphene sheets. Preprint at 〈http://arxiv.org/abs/cond-mat/0606504〉 (2006).