Electronic spin transport and spin precession in single graphene layers at room temperature

Nikolaos Tombros (), Csaba Jozsa, Mihaita Popinciuc, Harry T. Jonkman and Bart J. van Wees
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Nikolaos Tombros: Physics of Nanodevices,
Csaba Jozsa: Physics of Nanodevices,
Mihaita Popinciuc: Molecular Electronics, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
Harry T. Jonkman: Molecular Electronics, Zernike Institute for Advanced Materials, Nijenborgh 4, 9747 AG Groningen, The Netherlands
Bart J. van Wees: Physics of Nanodevices,

Nature, 2007, vol. 448, issue 7153, 571-574

Abstract: Graphene takes spin Electronic transport in single or a few layers of graphene — a form of graphite just one atom layer thick — is the subject of intense interest. Graphene may be a promising material for spintronics, where both the spin and the charge of electrons are used for novel devices. Tombros et al. take a step in this direction by studying the transport of electron spin in single layers of graphene. The experiments involve graphene sheets making contact with ferromagnetic cobalt electrodes through a thin insulating layer. In this system electron spin can be transported over lengths of 1–2 µm, and transport over longer distances should be possible with samples of improved electronic quality.

Date: 2007
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DOI: 10.1038/nature06037

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