Vol. 6, №1, 2014
РусскийEnglish

PHYSICS OF THE CONDENSED STATE



NONLINEAR CHARACTERISTICS OF MICROWAVE FERRITE-PIEZOELECTRIC RESONATOR WITH ELECTRICAL AND MAGNETIC TUNABLE FREQUENCY
Fetisov Yu.K.

Moscow State Institute of Radio Engineering, Electronics and Automatics (Technical University), http//www.mirea.ru,
78, Vernadsky pr., 119454 Moscow, Russian Federation
fetisov@mirea.ru.
Srinivasan G.
Oakland University, Rochester, Michigan, 48309 USA
srinivas@oakland.edu.


Ferromagnetic resonance resonator consisting of mechanically coupled yttrium iron garnet film and piezoelectric lead zirconate titanate plate is described and investigated. The resonator is tuned in wide frequency band 2.8-8.5 GHz by magnetic field H and in narrow frequency band ~80 MHz by electrical field E. The resonator frequency is a nonlinear function of electrical field E and traces dependence of piezoelectric strain on E. The bistability of dispersion type was observed in the resonator at microwave power level higher than 1 mW. The resonator was switched between steady states with characteristic times of ~1 μs by using weak magnetic or electrical fields.

Keywords: ferromagnetic resonance, ferromagnetic film, piezoelectric plate, composite structure, tuning of the resonator frequency, excitation power, dispersive bistability

PACS: 76.50.+g, 75.80.+q, 77.84.-s

Bibliography – 13 references
Received 10.11.2009

RENSIT, 2009, 1(1-2):121-128.


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