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Nature 452, 419-420 (27 March 2008) | doi:10.1038/452419a; Published online 26 March 2008
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Nanoelectronics: Spin surprise in carbon
Arne Brataas1
Abstract
Spintronics is an emerging branch of electronics that exploits electrons' spin, rather than charge. In carbon nanotubes, the coupling of this spin with electron motion could offer a desirable way to control quantum information.
Electrons have an electrical charge and a spin — an intrinsic angular momentum as if the electron were spinning around its own axis. The spin adopts one of two states, the manipulation and detection of which forms the basis of a branch of electronics known as spintronics.
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