Title :
Frequency control of spin torque oscillator using ferromagnet/PZT laminate
Author :
Park, Min Gyu Albert ; Baek, Seung-heon Chris ; Byong-Guk Park ; Seok-Hee Lee
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol. (KAIST), Daejeon, South Korea
Abstract :
A mechanism for large range frequency tuning in in-plane spin torque oscillator is suggested and supported by the macrospin simulation. With magnetostrictive anisotropy controlled by the stress induced from PZT, center frequency of the oscillator shifts in 2-5 GHz range.
Keywords :
ferromagnetic materials; laminates; lead compounds; magnetic anisotropy; magnetoelectronics; magnetostrictive devices; microwave oscillators; PZT; ferromagnet-PZT laminate; frequency 2 GHz to 5 GHz; frequency control; in-plane spin torque oscillator; large range frequency tuning; macrospin simulation; magnetoelectronics; magnetostrictive anisotropy; Frequency control; Magnetic tunneling; Magnetomechanical effects; Oscillators; Perpendicular magnetic anisotropy; Stress; magnetoelectronics; magnetostrictive anisotropy; spin torque oscillator;
Conference_Titel :
Electronics, Information and Communications (ICEIC), 2014 International Conference on
Conference_Location :
Kota Kinabalu
DOI :
10.1109/ELINFOCOM.2014.6914400
