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The δ-Doping-Dependent Spin Polarization in a Both Magnetically and Electrically Confined Semiconductor Heterostructure

  • Gui-Xiang LiuEmail author
  • Ge Tang
  • Wen-Yue Ma
Article

Abstract

In this paper, we theoretically investigate how to control electron-spin polarization by δ-doping in a both magnetically and electrically confined semiconductor heterostructure. It is shown that, due to Zeeman coupling, a considerable spin polarization effect appears in the δ-doped device. It is also shown that both magnitude and sign of spin polarization can be tuned by changing weight or position of the δ-doping. Thus, a δ-doping controllable spin filter can be achieved for spintronics device applications.

Keywords

Magnetically and electrically confined semiconductor heterostructure δ-doping spin polarization effect controllable spin filter 

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Notes

Acknowledgments

This work was supported by the Scientific Research Fund of Hunan Provincial Education Department (Grant No. 17C1435).

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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  1. 1.Department of ScienceShaoyang UniversityHunanPeople’s Republic of China

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