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Coupling of spin and orbital motion of electrons in carbon nanotubes

Author

Listed:
  • F. Kuemmeth

    (Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853, USA)

  • S. Ilani

    (Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853, USA)

  • D. C. Ralph

    (Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853, USA)

  • P. L. McEuen

    (Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, New York 14853, USA)

Abstract

Spinning into control Carbon-based materials are seen as promising candidates for applications such as spintronics and as spin qubits, as their electron spins are thought to be exceptionally stable. In particular, it was assumed that the effect of electron spin coupling to its orbital motion — a source for spin decoherence — is negligible. Kuemmeth et al. have now disproved this assumption. Based on a detailed set of electronic transport measurements on high-quality, clean, single-walled carbon nanotubes, they observe direct signatures of electron spin–orbit coupling. The findings may lead to new design principles for the realization of qubits in nanotubes. And the observed spin–orbit coupling may prove to be a valuable tool as a mechanism for all-electrical control of spins in carbon nanotubes.

Suggested Citation

  • F. Kuemmeth & S. Ilani & D. C. Ralph & P. L. McEuen, 2008. "Coupling of spin and orbital motion of electrons in carbon nanotubes," Nature, Nature, vol. 452(7186), pages 448-452, March.
    • Handle: RePEc:nat:nature:v:452:y:2008:i:7186:d:10.1038_nature06822
    DOI: 10.1038/nature06822
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    Cited by:

    1. Annika Kurzmann & Yaakov Kleeorin & Chuyao Tong & Rebekka Garreis & Angelika Knothe & Marius Eich & Christopher Mittag & Carolin Gold & Folkert Kornelis Vries & Kenji Watanabe & Takashi Taniguchi & Vl, 2021. "Kondo effect and spin–orbit coupling in graphene quantum dots," Nature Communications, Nature, vol. 12(1), pages 1-6, December.

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