Oscillating magnetoresistance in diluted magnetic semiconductor barrier structures
Condensed Matter
2009-11-07 v2
Abstract
Ballistic spin polarized transport through diluted magnetic semiconductor (DMS) single and double barrier structures is investigated theoretically using a two-component model. The tunneling magnetoresistance (TMR) of the system exhibits oscillating behavior when the magnetic field are varied. An interesting beat pattern in the TMR and spin polarization is found for different NMS/DMS double barrier structures which arises from an interplay between the spin-up and spin-down electron channels which are splitted by the s-d exchange interaction.
Cite
@article{arxiv.cond-mat/0107197,
title = {Oscillating magnetoresistance in diluted magnetic semiconductor barrier structures},
author = {Kai Chang and J. B. Xia and F. M. Peeters},
journal= {arXiv preprint arXiv:cond-mat/0107197},
year = {2009}
}
Comments
4 pages, 6 figures, submitted to Phys. Rev. B