Spin-Polarized Electron Injection through an Fe/InAs Junction
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概要
- 論文の詳細を見る
We report on the spin-polarized electron injection through an Fe(100)/InAs(100) junction. The circularly polarized electroluminescence of injected electrons from epitaxially grown Fe thin film into InAs(100) in an external magnetic field is measured to investigate the spin injection efficiency. The obtained polarization of the electroluminescence is seen to increase up to about $-12$% at the temperature of 6.5 K and the external magnetic field of 10 T. This result suggests that the efficient spin injection is possible through the ferromagnetic metal/semiconductor (FM/SC) interface without a tunneling barrier despite the contradictory arguments based on conductivity mismatch at the FM/SC interface.
- Publication Office, Japanese Journal of Applied Physics, Faculty of Science, University of Tokyoの論文
- 2003-02-01
著者
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Yoh Kanji
Research Center For Integrated Quantum Electronics Hokkaido University
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Sueoka Kazuhisa
Nanoelectronics Laboratory Graduate School Of Engineering Hokkaido University
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Ramsteiner Manfred
Paul-drude-institut Fur Festkorperelektronik
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OHNO Hiroshi
Nanoelectronics Laboratory, Graduate School of Engineering, Hokkaido University
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Mukasa Koichi
Nanoelectronic Laboratory Graduate School Of Engineering Hokkaido University
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Kawaharazuka Atsushi
Paul-Drude-Institut für Festkörperelektronik, Hausvogteiplatz 5-7, 10117 Berlin, Germany
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Yoh Kanji
Research Center for Interface Quantum Electronics (RCIQE), Hokkaido University, N13 W8, Kita-ku, Sapporo 060-8628, Japan
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Sueoka Kazuhisa
Nanoelectronics Laboratory, Graduate School of Engineering, Hokkaido University, N13 W8, Kita-ku, Sapporo 060-8628, Japan
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Mukasa Koichi
Nanoelectronics Laboratory, Graduate School of Engineering, Hokkaido University, N13 W8, Kita-ku, Sapporo 060-8628, Japan
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Ohno Hiroshi
Nanoelectronics Laboratory, Graduate School of Engineering, Hokkaido University, N13 W8, Kita-ku, Sapporo 060-8628, Japan
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Ramsteiner Manfred
Paul-Drude-Institut für Festkörperelektronik, Hausvogteiplatz 5-7, 10117 Berlin, Germany
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