A class of spin injection-precession ultrafast nanodevices

Details A class of spin injection-precession ultrafast nanodevices A class of spin injection-precession ultrafast nanodevices

2003-10-10

arxiv.org/abs/cond-mat/0310258v3

Physics

Condensed Matter

Materials Science

4 pages, 2 figures; minor typos corrected; to appear in Appl. Phys. Letters

Scientific paper

10.1063/1.1667002

Spin valve ultrafast spin injection devices are described: an amplifier, a frequency multiplier, and a square-law detector. Their operation is based on injection of spin polarized electrons from one ferromagnet to another through a semiconductor layer and spin precession of the electrons in the semiconductor layer in a magnetic field induced by a (base) current in an adjacent nanowire. The base current can control the emitter current between the magnetic layers with frequencies up to several 100 GHz.

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