Spin-dependent transport as a consequence of Pauli blockade in a degenerate electron gas

F. Cadiz; D. Paget; A. C. H. Rowe

doi:10.1117/12.2060198

28 August 2014 Spin-dependent transport as a consequence of Pauli blockade in a degenerate electron gas

F. Cadiz, D. Paget, A. C. H. Rowe

Proceedings Volume 9167, Spintronics VII; 91670C (2014) https://doi.org/10.1117/12.2060198
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

Degeneracy of a photoelectron gas is shown to strongly affect spin polarized electron transport since the Pauli principle dictates a concentration dependence of the spin stiffness and of the mobility. This causes a spin dependence of the diffusion constant D. A spin-dependence of D as large as 50 % is measured using polarized microluminescence imaging in _p+ GaAs thin films, revealing a novel spin filter effect. The charge diffusion constant also depends on spin via a second order effect.

Citation Download Citation

F. Cadiz, D. Paget, and A. C. H. Rowe "Spin-dependent transport as a consequence of Pauli blockade in a degenerate electron gas", Proc. SPIE 9167, Spintronics VII, 91670C (28 August 2014); https://doi.org/10.1117/12.2060198

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