Journal
APPLIED PHYSICS EXPRESS
Volume 2, Issue 6, Pages -Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/APEX.2.063001
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Funding
- Grant-in-Aid for Scientific Research [A19206002]
- Ministry of Education, Culture, Sports, Science and Technology, Japan (MEXT)
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Growing demands for the voltage-driven spintronic applications with ultralow-power consumption have led to new interest in exploring the voltage-induced magnetization switching in ferromagnetic metals. In this study, we observed a large perpendicular magnetic anisotropy change in Au(001)/ultrathin Fe80Co20(001)/MgO(001)/polyimide/indium tin oxide (ITO) junctions, and succeeded in realizing a clear switching of magnetic easy axis between in-plane and perpendicular directions. Furthermore, employing a perpendicularly magnetized film, voltage-induced magnetization switching in the perpendicular direction under the assistance of magnetic fields was demonstrated. These pioneering results may open a new window of electric-field controlled spintronics devices. (C) 2009 The Japan Society of Applied Physics
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