Optical response of a ferromagnetic/DMS hybrid structure

Details Optical response of a ferromagnetic/DMS hybrid structure Optical response of a ferromagnetic/DMS hybrid structure

2004-11-17

arxiv.org/abs/cond-mat/0411456v1

Appl. Phys. Lett. 86, 113103 (2005)

Physics

Condensed Matter

Statistical Mechanics

Submitted to Applied Physics Letters, 3 pages, 4 figures

Scientific paper

We investigate the possibility of using local magnetic fields to produce one-dimensional traps in hybrid structures for any quasiparticle possessing spin degree of freedom. We consider a system composed of a diluted magnetic semiconductor quantum well buried below a micron-sized ferromagnetic island. Localized magnetic field is produced by a rectangular ferromagnet in close proximity of a single domain phase. We make quantitative predictions for the optical response of the system as a function of distance between the micromagnet and the quantum well, electronic g-factor, and thickness of the micromagnet.

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