Proposal for a ferromagnetic multiwell spin oscillator
Mesoscale and Nanoscale Physics
2015-05-18 v1
Abstract
The highly nonlinear coupling of transport and magnetic properties in a multiwell heterostructure, which comprises ferromagnetic quantum wells made of diluted magnetic semiconductors, is theoretically investigated. The interplay of resonant tunneling and carrier-mediated ferromagnetism in the magnetic wells induces very robust, self-sustained current and magnetization oscillations. Over a large window of steady bias voltages the spin polarization of the collector current is oscillating between positive and negative values, realizing a spin oscillator device.
Keywords
Cite
@article{arxiv.1005.2087,
title = {Proposal for a ferromagnetic multiwell spin oscillator},
author = {Christian Ertler and Walter Pötz and Jaroslav Fabian},
journal= {arXiv preprint arXiv:1005.2087},
year = {2015}
}
Comments
3 pages, 4 figures