Chen, PeiFeng and Moser, Jürgen and Kotissek, Philipp and Sadowski, Janusz and Zenger, Marcus and Weiss, Dieter and Wegscheider, Werner
All electrical measurement of spin injection in a magnetic p-n junction diode.
Physical Review B 74 (24), 241302R.
at publisher (via DOI)
Magnetic p-n junction diodes are fabricated to investigate spin-polarized electron transport. The injection of spin-polarized electrons in a semiconductor is achieved by driving electrons from a ferromagnetic injector (Fe), into a bulk semiconductor (n-GaAs) via Schottky contact. For detection, a diluted magnetic semiconductor (p-GaMnAs) layer is used. Clear magnetoresistance was observed only ...
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