Continuous Tuning of the Magnitude and Direction of Spin-Orbit Torque Using Bilayer Heavy Metals

  title={Continuous Tuning of the Magnitude and Direction of Spin-Orbit Torque Using Bilayer Heavy Metals},
  author={Pan He and Xuepeng Qiu and Vanessa Li Zhang and Yang Wu and Meng Hau Kuok and Hyunsoo Yang},
  journal={Advanced electronic materials},
  • P. He, X. Qiu, +3 authors Hyunsoo Yang
  • Published 1 September 2016
  • Materials Science, Physics
  • Advanced electronic materials
Spin-orbit torques (SOTs) have opened a new path to switch the magnetization in perpendicularly magnetized films and are of great interest due to their potential applications in novel data storage technology, such as magnetic random access memory (MRAM). The effective manipulation of SOT has thus become an important step toward these applications. Here, current-induced spin-orbit effective fields and magnetization switching are investigated in Pt/Ta/CoFeB/MgO structures with bilayer heavy… 
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