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Persistent sourcing of coherent spins for multifunctional semiconductor spintronics

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Listed:
  • I. Malajovich

    (University of California)

  • J. J. Berry

    (Pennsylvania State University)

  • N. Samarth

    (Pennsylvania State University)

  • D. D. Awschalom

    (University of California)

Abstract

Recent studies of n-type semiconductors have demonstrated spin-coherent transport over macroscopic distances1, with spin-coherence times exceeding 100 ns2,3; such materials are therefore potentially useful building blocks for spin-polarized electronics (‘spintronics’). Spin injection into a semiconductor (a necessary step for spin electronics4) has proved difficult5,6; the only successful approach involves classical injection of spins from magnetic semiconductors7,8. Other work has shown that optical excitation can provide a short (

Suggested Citation

  • I. Malajovich & J. J. Berry & N. Samarth & D. D. Awschalom, 2001. "Persistent sourcing of coherent spins for multifunctional semiconductor spintronics," Nature, Nature, vol. 411(6839), pages 770-772, June.
    • Handle: RePEc:nat:nature:v:411:y:2001:i:6839:d:10.1038_35081014
    DOI: 10.1038/35081014
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