Skip to main content
Log in

Spin-dependent shot noise in diluted-magnetic-semiconductor/ semiconductor heterostructures

  • Mesoscopic and Nanoscale Systems
  • Published:
The European Physical Journal B Aims and scope Submit manuscript

Abstract.

We investigated the shot noise properties in the diluted-magnetic-semiconductor/semiconductor heterostructures, where the sp-d exchange interaction gives rise to a giant spin splitting when an external magnetic field is applied along the growth direction of the heterostructures. It is found that the noise becomes strongly spin-dependent and can be greatly modulated not only by the external magnetic and electric fields, but also by the structural configuration and geometric parameters. Both the spin-up and spin-down components of the noise spectral density can be greatly suppressed by the magnetic field. The Fano factor is notably sensitive to the transmission probabilities, which varies greatly with the spin-polarization, the external magnetic field, and the structural configuration.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Y. Guo.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Guo, Y., Han, L., Zhu, R. et al. Spin-dependent shot noise in diluted-magnetic-semiconductor/ semiconductor heterostructures. Eur. Phys. J. B 62, 45–51 (2008). https://doi.org/10.1140/epjb/e2008-00117-x

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1140/epjb/e2008-00117-x

PACS.

Navigation