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Spintronics

Graphene spintronics (Neil D. Mathur)

The ability to send spin-polarized electrons through a non-magnetic channel running between ferromagnetic electrodes could be exploited in future logic and memory devices. Having previously shown that a carbon nanotube can carrry spin-polarized electrons without significant depolarization, attention is currently focussed on its well known allotrope graphene.

Image shows carbon nanotube (CNT) between manganite electrodes of LSMO [A. Fert, Angew. Chem. Int. Ed. 47 (2008) 5956].

Transformation of spin information into large electrical signals via carbon nanotubes.   L. E. Hueso, J. M. Pruneda, V. Ferrari, G. Burnell, J. P. Valdés-Herrera, B. D. Simons, P. B. Littlewood, E. Artacho, A. Fert and N. D. Mathur, Nature 445 (2007) 410-413.

Control of magnetization reversal mechanism via uniaxial anisotropy strength in La0.67Sr0.33MnO3 electrodes for spintronic devices. L. C. Phillips, W. Yan, X. Moya, M. Ghidini, F. Maccherozzi, S. S. Dhesi and N. D. Mathur, Phys. Rev. Applied, 4 (2015) 064004.