Resonant Tunneling Magneto Resistance in Coupled Quantum Wells

Details Resonant Tunneling Magneto Resistance in Coupled Quantum Wells Resonant Tunneling Magneto Resistance in Coupled Quantum Wells

2006-06-20

arxiv.org/abs/cond-mat/0606531v2

Appl. Phys. Lett. 89, 242101 (2006) (3 pages)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1063/1.2402878

A three barrier resonant tunneling structure in which the two quantum wells are formed by a dilute magnetic semiconductor material (ZnMnSe) with a giant Zeeman splitting of the conduction band is theoretically investigated. Self-consistent numerical simulations of the structure predict giant magnetocurrent in the resonant bias regime as well as significant current spin polarization for a considerable range of applied biases.

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