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Detection of Spin Voltaic Effect in a P-n Heterojunction by Kondo, T.; Hayafuji, J.; Munekata, H. is a scholarly article available to read on EtoBox.

What is Detection of Spin Voltaic Effect in a P-n Heterojunction about?

Model calculation and experimental data of circularly-polarized-light-dependent photocurrent in a n-AlGaAs/p-InGaAs/p-GaAs heterostructure are reported. It is found that, under the appropriate forward bias condition, spin voltaic effect (SVE) can survive across the heterojunction and give rise to detectable polarization-dependent photocurrent signals which are greater than the signals due to the magnetic circular dichroism. Our analysis suggests that SVE can be enhanced by optimization of layer thickness, doping profile, and applied bias, making SVE favorable for the realization of a semiconductor-based polarization detector, a spin-photodiode (spin-PD).

Author

Kondo, T.; Hayafuji, J.; Munekata, H.

Published

2005

Language

EN