PMID: 11909487Mar 23, 2002Paper

Spin-filter device based on the Rashba effect using a nonmagnetic resonant tunneling diode

Physical Review Letters
Takaaki KogaS Datta

Abstract

We propose an electronic spin-filter device that uses a nonmagnetic triple barrier resonant tunneling diode (TB-RTD). This device combines the spin-split resonant tunneling levels induced by the Rashba spin-orbit interaction and the spin blockade phenomena between two regions separated by the middle barrier in the TB-RTD. Detailed calculations using the InAlAs/InGaAs material system reveal that a splitting of a peak should be observed in the I-V curve of this device as a result of the spin-filtering effect. The filtering efficiency exceeds 99.9% at the peak positions in the I-V curve.

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Citations

Dec 1, 2012·Science·J T YeY Iwasa
Jun 6, 2014·Nature Communications·Christopher John ButlerMinn-Tsong Lin
Jul 6, 2014·Nature Communications·C BecherD Meier
Feb 22, 2017·Journal of the American Chemical Society·Albert C AragonèsEliseo Ruiz
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Mar 28, 2012·Nano Letters·Akari TakayamaTakashi Takahashi

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