Spin-Flip Transistor

Abstract

The recently developed semiclassical theory for magnetoelectronic circuits is applied to a transistor-like device consisting of a normal metal island and three magnetic terminals. The electric current between source and drain can be controlled by the magnetization of a ``base'' reservoir up to distances of the order of the spin-flip diffusion length.Comment: Proceedings of NATO-ARW on Semiconductor Nanostructures, 5-9 February 2001, Queenstown, NZ, to be published in Physica