Prediction of very large values of magnetoresistance in a graphene nanoribbon device

Nature Nanotechnology

Volumn 3, Issue 7, 2008, Pages 408-412

  Kim, Woo Youn ^a   Kim, Kwang S ^a  

^a Pohang University of Science and Technology (POSTECH)   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

BAND STRUCTURE; ELECTRONIC PROPERTIES; ELECTROSPINNING; GRAPHENE DEVICES; MAGNETIC MOMENTS; MAGNETORESISTANCE; NANORIBBONS;

DEVICE APPLICATION; EXPERIMENTAL VALUES; FIRST-PRINCIPLES SIMULATIONS; GRAPHENE NANO-RIBBON; GRAPHENE NANORIBBONS; SPIN POLARIZED CURRENTS; SPIN RELAXATION TIME; ZIGZAG GRAPHENE NANORIBBONS;

GRAPHENE;

CARBON; FERROMAGNETIC MATERIAL; GRAPHENE; NANORIBBON;

ACCELERATION; ARTICLE; CALCULATION; DEVICE; ELECTRIC CURRENT; ELECTRIC POTENTIAL; ELECTRODE; ELECTRON; ENERGY; MAGNETISM; MAGNETORESISTANCE; MATHEMATICAL ANALYSIS; PREDICTION; PRIORITY JOURNAL; SIMULATION; VALVE;

EID: 46749156195     PISSN: 17483387     EISSN: 17483395     Source Type: Journal    
DOI: 10.1038/nnano.2008.163     Document Type: Article

References (30)

1. Novoselov, K. S. et al. Electric field effect in atomically thin carbon films. Science 306, 666-669 (2004).
2. Novoselov, K. S. et al. Two-dimensional gas of massless Dirac fermions in graphene. Nature 438, 197-200 (2005).
3. Zhang, Y. B., 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).
4. Geim, A. K. & Novoselov, K. S. The rise of graphene. Nature Mater. 6, 183-191 (2007).
5. Hill, E. W., Geim, A. K., Novoselov, K., Schedin, F. & Blake, P. Graphene spin valve devices. IEEE Trans. Magn. 42, 2694-2696 (2006).
6. Ohishi, M. et al. Spin injection into a graphene thin film at room temperature. Jpn. J. Appl. Phys. 46, L605-L607 (2007).
7. Tombros, N., Jozsa, C., Popinciuc, M., Jonkman, H. T. & Wees, B. J. V. Electronic spin transport and spin precession in single graphene layers at room temperature. Nature 448, 571-574 (2007).
8. Cho S., Chen Y. & Fuhrer, M. S. Gate-tunable graphene spin valve. Appl. Phys. Lett. 91, 123105 (2007).
9. Fujita, M., Wakabayashi, K., Nakada, K. & Kusakabe, K. Peculiar localized state at zigzag graphite edge. J. Phys. Soc. Jpn 7, 1920-1923 (1996).
10. Okada, S. & Oshiyama, A. Magnetic ordering in hexagonally bonded sheets with first-row elements. Phys. Rev. Lett. 87, 146803 (2001).
11. Lee, H., Son, Y. W., Park, N., Han, S. W. & Yu, J. J. Magnetic ordering at the edges of graphitic fragments: Magnetic tail interactions between the edge-localized states. Phys. Rev. B 72, 174431 (2005).
12. Son, Y. W., Cohen, M. L. & Louie, S. G. Half-metallic graphene nanoribbons. Nature 444, 347-349 (2006).
13. Son, Y. W., Cohen, M. L. & Louie, S. G. Energy gaps in graphene nanoribbons. Phys. Rev. Lett. 97, 216803 (2006).
14. Yang L., Park, C. Son, Y. W., Cohen, M. L. & Louie, S. G. Quasiparticle energies and band gaps in graphene nanoribbons. Phys. Rev. Lett. 99, 186801 (2007).
15. Hod, O., Barone, V., Peralta, J. E. & Scuseria, G. E. Enhanced half-metallicity in edge-oxidized zigzag graphene nanoribbons. Nano Lett. 7, 2295-2299 (2007).
16. Pisani, L. Chan, J. A., Montanari, B. & Harrison, N. M. Electronic structure and magnetic properties of graphitic ribbons. Phys. Rev. B 75, 064418 (2007).
17. Parkin, S. S. P. et al. Giant tunneling magnetoresistance at room temperature with MgO (100) tunnel barriers. Nature Mater. 3, 862-867 (2004).
18. Yuasa, S., Nagahama, T., Fukushima, A., Suzuki, Y. & Ando, K. Giant room-temperature magnetoresistance in single-crystal Fe/MgO/Fe magnetic tunnel junctions. Nature Mater. 3, 868-871 (2004).
19. Chopra, H. D. et al, The quantum spin-valve in cobalt atomic point contacts. Nature Mater. 4, 832-837 (2005).
20. Williams, J. R., DiCarlo, L. & Marcus, C. M. Quantum hall effect in a gate-controlled p-n junction of graphene. Science 317, 638-641 (2007).
21. Huard, B. et al. Transport measurements across a tunable potential barrier in graphene. Phys. Rev. Lett. 98, 236803 (2007).
22. Ozyilmaz, B. et al. Electronic transport and quantum Hall effect in bipolar graphene p-n-p junctions. Phys. Rev. Lett. 99, 166804 (2007).
23. Datta, S. Electronic Transport in Mesoscopic Systems (Cambridge Univ. Press, 1995).
24. Nitzan, A. & Ratner, M. A. Electron transport in molecular wire junctions. Science 300, 1384-1389 (2003).
25. Cheng, D., Kim, W. Y., Min, S. K., Nautiyal, T. & Kim, K. S. Magic structures and quantum conductance of [110] silver nanowires. Phys. Rev. Lett. 96, 096104 (2006).
26. Kim, W. Y. & Kim, K. S. Carbon nanotube, graphene, nanowire, and molecule based electron and spin transport phenomena using the non-equilibrium Green's function method at the level of first principles theory. J. Comput. Chem. 29, 1073-1083 (2008).
27. Soler, J. M. et al. The SIESTA method for ab initio order-N materials simulation. J. Phys. Condens. Matter 14, 2745-2779 (2002).
28. Egelhoff, W. Jr et al. Artifacts in ballistic magnetoresistance measurements (invited). J. Appl. Phys. 95, 7554-7559 (2004).
29. Hod, O., Peralta, J. E. & Scuseria, G. E. Edge effects in finite elongated graphene nanoribbons. Phys. Rev. B 76, 233401 (2007).
30. Li, X., Wang, X., Zhang, L., Lee, S. & Dai, H. Chemically derived, ultrasmooth graphene nanoribbon semiconductors. Science 329, 1229-1232 (2008).