Highly efficient spin transport in epitaxial graphene on SiC

A demonstration of the ability to transmit spin currents over distances of more than one hundred micrometres with an efficiency of up to 75% in graphene grown epitaxially on silicon carbide improves the prospects of graphene-based spintronic devices.

[1]  E. Rashba.  Theory of electrical spin injection: Tunnel contacts as a solution of the conductivity mismatch problem , 2000, cond-mat/0010473.

[2]  J. J. A. Baselmans,et al.  Electrical detection of spin precession in a metallic mesoscopic spin valve , 2002, Nature.

[3]  Karim Bouzehouane,et al.  Magnetoresistance in magnetic tunnel junctions grown on flexible organic substrates , 2010 .

[4]  Kimberley C. Hall,et al.  Performance of a spin-based insulated gate field effect transistor , 2006 .

[5]  J. Weiner,et al.  Fundamentals and applications , 2003 .

[6]  C. Berger,et al.  Large area and structured epitaxial graphene produced by confinement controlled sublimation of silicon carbide , 2011, Proceedings of the National Academy of Sciences.

[7]  C. Berger,et al.  Electronic Confinement and Coherence in Patterned Epitaxial Graphene , 2006, Science.

[8]  A. Fert,et al.  Are Al2O3 and MgO tunnel barriers suitable for spin injection in graphene , 2010 .

[9]  Transformation of spin information into large electrical signals using carbon nanotubes , 2005, Nature.

[10]  S. Datta,et al.  Electronic analog of the electro‐optic modulator , 1990 .

[11]  Saroj P. Dash,et al.  Electrical creation of spin polarization in silicon at room temperature , 2009, Nature.

[12]  A. Lemaître,et al.  Spin precession and inverted Hanle effect in a semiconductor near a finite-roughness ferromagnetic interface , 2011, 1101.1691.

[13]  S. Sarma,et al.  Spintronics: Fundamentals and applications , 2004, cond-mat/0405528.

[14]  S. Maekawa,et al.  Spin Current in Metals and Superconductors , 2008 .

[15]  B. Wees,et al.  Electronic spin transport and spin precession in single graphene layers at room temperature , 2007, Nature.

[16]  H. Jaffres,et al.  Semiconductors Between Spin-Polarized Sources and Drains , 2007, IEEE Transactions on Electron Devices.

[17]  Roland Kawakami,et al.  Magnetotransport properties of mesoscopic graphite spin valves , 2008 .

[18]  L. J. Sham,et al.  Spin-based logic in semiconductors for reconfigurable large-scale circuits , 2007, Nature.

[19]  A. Fert,et al.  Spin transport in multiterminal devices: Large spin signals in devices with confined geometry , 2010 .

[20]  C. Berger,et al.  First direct observation of a nearly ideal graphene band structure. , 2009, Physical review letters.

[21]  Wei Han,et al.  Tunneling spin injection into single layer graphene. , 2010, Physical review letters.

[22]  Imaging Characteristics of Transmission-Type Volume Holographic Imaging Elements , 2007 .

[23]  Masashi Shiraishi,et al.  Spin injection into a graphene thin film at room temperature , 2007 .

[24]  C. Berger,et al.  Why multilayer graphene on 4H-SiC(0001[over ]) behaves like a single sheet of graphene. , 2008, Physical review letters.

[25]  S. Datta,et al.  Proposal for an all-spin logic device with built-in memory. , 2010, Nature nanotechnology.

[26]  H. Ohno,et al.  Tunnel magnetoresistance of 604% at 300K by suppression of Ta diffusion in CoFeB∕MgO∕CoFeB pseudo-spin-valves annealed at high temperature , 2008 .

[27]  A. Geim,et al.  Graphene Spin Valve Devices , 2006, IEEE Transactions on Magnetics.

[28]  C. Adelmann,et al.  Electrical detection of spin transport in lateral ferromagnet–semiconductor devices , 2006, cond-mat/0701021.

[29]  S. Maekawa,et al.  Giant enhancement of spin accumulation and long-distance spin precession in metallic lateral spin valves. , 2011, Nature materials.

[30]  A. Locatelli,et al.  Corrugation in exfoliated graphene: an electron microscopy and diffraction study. , 2010, ACS nano.

[31]  Albert Fert,et al.  Conditions for efficient spin injection from a ferromagnetic metal into a semiconductor , 2001 .

[32]  H. T. Jonkman,et al.  Linear scaling between momentum and spin scattering in graphene , 2009, 0910.1054.

[33]  O.M.J. van 't Erve,et al.  Electrical injection and detection of spin-polarized carriers in silicon in a lateral transport geometry , 2007 .

[34]  Kazuhito Tsukagoshi,et al.  Gate control of spin transport in multilayer graphene , 2008 .

[35]  F. Guinea,et al.  Spin-orbit coupling in curved graphene, fullerenes, nanotubes, and nanotube caps , 2006 .