Anisotropic magnetoresistance in single electron transport

Details Anisotropic magnetoresistance in single electron transport Anisotropic magnetoresistance in single electron transport

2007-01-12

arxiv.org/abs/cond-mat/0701273v1

Phys. Stat. Sol. (c) 3, 4231 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Conference article presented at PASPS IV, Sendai, August 2006

Scientific paper

10.1002/pssc.200672837

We study the effect of magnetic anisotropy in a single electron transistor with ferromagnetic electrodes and a non-magnetic island. We identify the variation $\delta \mu$ of the chemical potential of the electrodes as a function of the magnetization orientation as a key quantity that permits to tune the electrical properties of the device. Different effects occur depending on the relative size of $\delta \mu$ and the charging energy. We provide preliminary quantitative estimates of $\delta \mu$ using a very simple toy model for the electrodes.

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