Spin injection revisited

Preprint

30 December 2003

preprint
Published by arXiv in arXiv

Abstract

We have reconsidered the relevant problem of spin injection across ferromagnet/non-magnetic-semiconductor (FM/NMS) and dilute-magnetic-semiconductor/non-magnetic-semiconductor interfaces, for structures with \textit{finite} magnetic layers (FM or DMS). By using appropriate physical boundary conditions, we find new expressions for the resistances of these structures which are in general different from previous results in the literature. The results obtained can be important for the interpretation of the experimental data in the case of DMS/NMS structures.

Keywords

MAGNETIC SEMICONDUCTOR/NON
FERROMAGNET/NON MAGNETIC
INJECTION REVISITED
RELEVANT PROBLEM
SPIN INJECTION
RESISTANCES

All Related Versions

Version 1, 2003-12-30, ArXiv
Version 2, 2004-12-29, ArXiv
Published version: Physical Review B, 71 (23), 235327.

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