Abstract
In this work, a novel Spin Torque Nano Oscillator (STNO) device which can sustain high frequency oscillation without demand of bias magnetic field is proposed. Voltage Controlled Magnetic Anisotropy (VCMA) effect is employed to increase perpendicular anisotropy field leading to high oscillation frequency in the absence of bias magnetic field. In addition, VCMA effect also can be utilized as frequency modulation approach to realize signal modulation for STNO used in communication system.
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