Gate-controllable spin-battery

Details Gate-controllable spin-battery Gate-controllable spin-battery

2003-07-11

arxiv.org/abs/cond-mat/0307288v1

Appl. Phys. Lett. 83,1397 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, 3 figures, accepted by Appl. Phys. Lett

Scientific paper

10.1063/1.1603331

We propose a gate-controllable spin-battery for spin current. The spin-battery consists of a lateral double quantum dot under a uniform magnetic field. A finite DC spin-current is driven out of the device by controlling a set of gate voltages. Spin-current can also be delivered in the absence of charge-current. The proposed device should be realizable using present technology at low temperature.

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