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Electron spin injection into GaAs from ferromagnetic contacts in remanence
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10.1063/1.1996843
/content/aip/journal/apl/87/3/10.1063/1.1996843
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/3/10.1063/1.1996843
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic device structure of the LED with multilayer on epitaxial Fe(001) contact, indicating the direction of the magnetic field B and the observed EL.

Image of FIG. 2.
FIG. 2.

Degree of circular polarization of the EL as a function of the applied magnetic field in Faraday geometry measured at , for a LED with a nonmagnetic Au contact and with single-layer Fe contact. The inset shows the degree of circular polarization corrected for the Zeeman splitting effect for the single-layer Fe contact.

Image of FIG. 3.
FIG. 3.

Degree of circular polarization as a function of the applied magnetic at for a LED with -multilayer covered Fe(001) contact after correction for the Zeeman splitting. The solid line shows the perpendicular magnetic moment of the contact, measured by a SQUID magnetometer. The uncorrected polarization result is plotted in the inset in comparison to the result for the LED with a nonmagnetic Au contact.

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/content/aip/journal/apl/87/3/10.1063/1.1996843
2005-07-12
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electron spin injection into GaAs from ferromagnetic contacts in remanence
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/3/10.1063/1.1996843
10.1063/1.1996843
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