Matches in SemOpenAlex for { <https://semopenalex.org/work/W2051535207> ?p ?o ?g. }
- W2051535207 abstract "We demonstrate a large electrical spin injection into GaAs at zero magnetic field thanks to an ultrathin perpendicularly magnetized CoFeB contact of a few atomic planes (1.2 nm). The spin-polarization of electrons injected into GaAs was examined by the circular polarization of electroluminescence from a Spin Light Emitting Diode with embedded InGaAs/GaAs quantum wells. The electroluminescence polarization as a function of the magnetic field closely traces the out-of-plane magnetization of the CoFeB/MgO injector. A circular polarization degree of the emitted light as large as 20% at 25 K is achieved at zero magnetic field. Moreover the electroluminescence circular polarization is still about 8% at room temperature." @default.
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- W2051535207 date "2014-08-22" @default.
- W2051535207 modified "2023-10-14" @default.
- W2051535207 title "Large and robust electrical spin injection into GaAs at zero magnetic field using an ultrathin CoFeB/MgO injector" @default.
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- W2051535207 doi "https://doi.org/10.1103/physrevb.90.085310" @default.
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