期刊
APPLIED PHYSICS EXPRESS
卷 2, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1143/APEX.2.023006
关键词
-
资金
- New Energy and Industrial Technology Development Organization (NEDO)
Spin injection and detection between MgO tunnel barrier/CoFeB electrodes and n-GaAs channels were investigated by means of all electrical transport measurements. The magnetoresistance of the GaAs/MgO/CoFeB junctions and non-local signals through the lateral GaAs channel were detected in the same sample. The non-local signals were detected when the magnetization directions of two CoFeB electrodes differed. This correspondence between the magnetization directions and the non-local signals clearly shows that the injection and detection of the spin-polarized current are realized in the GaAs/MgO/CoFeB systems. (C) 2009 The Japan Society of Applied Physics
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