Browsing by Author "Park, Y. D."
Now showing items 1-3 of 3
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Article
Electrical spin injection across air-exposed epitaxially regrown semiconductor interfaces
Park, Y. D.; Jonker, B. T.; Bennett, B. R.; Itskos, Grigorios; Furis, M.; Kioseoglou, G.; Petrou, Athos Chariton (2000)We have fabricated spin-polarized light-emitting diode structures via epitaxial regrowth of Znl-xMnxSe on air-exposed surfaces of AlyGal-yAs/GaAs quantum wells. No passivation procedures were used to protect or prepare the ...
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Article
Quantifying electrical spin injection: Component-resolved electroluminescence from spin-polarized light-emitting diodes
Jonker, B. T.; Hanbicki, A. T.; Park, Y. D.; Itskos, Grigorios; Furis, M.; Kioseoglou, G.; Petrou, Athos Chariton; Wei, X. (2001)The spin-polarized light-emitting diode (spin-LED) is a very effective tool for accurately quantifying electrical spin injection in a model independent manner. We resolve and identify various components which occur in the ...
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Article
Reduction of spin injection efficiency by interface defect spin scattering in ZnMnSe/AlGaAs-GaAs spin-polarized light-emitting diodes
Stroud, R. M.; Hanbicki, A. T.; Park, Y. D.; Kioseoglou, G.; Petukhov, A. G.; Jonker, B. T.; Itskos, Grigorios; Petrou, Athos Chariton (2002)The effects of the interface microstructure on spin-injection efficiency in Zn1-xMnxSe/AlyGa1-yAs-GaAs spin-polarized light-emitting diodes (spin-LEDs) were studied. It was shown that the quantum well (QW) spin polarization ...