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Strain-assisted spin manipulation in a quantum well

  • Y. LiEmail author
  • Y. -Q. Li
Article

Abstract

We show that the efficiency of manipulating electron spins in semiconductor quantum wells can be enhanced by tuning strain strengths. The combined effects of intrinsic and strain-induced spinorbit couplings vary for different quantum wells, which provide an alternative route to understand the experimental phenomena brought in by the strain. The contribution to the electron-dipole-spin-resonance intensity induced by the strain can be changed through adjusting the direction of the ac electric field in the x-y plane of the quantum well and tuning the strain strengths.

PACS

71.70.Ej Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect 71.70.Fk Straininduced splitting 78.67.De Quantum wells 85.75.-d Magnetoelectronics; spintronics: devices exploiting spin polarized transport or integrated magnetic fields 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  1. 1.Zhejiang Institute of Modern Physics and Department of PhysicsZhejiang UniversityHangzhouP.R. China

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