A.M. Shihabudinov - Ph.D. (Phys.-Math.), Research Scientist, Saratov branch of Kotelnikov IRE RAS. E-mail: alex-sheih@ya.ru B.D. Zaitsev - Dr.Sc. (Phys.-Math.), Head of Laboratory, Saratov branch of Kotelnikov IRE RAS I.A. Borodina - Ph.D. (Phys.-Math.), Senior Research Scientist, Saratov branch of Kotelnikov IRE RAS A.A. Teplykh - Ph.D. (Phys.-Math.), Senior Research Scientist, Saratov branch of Kotelnikov IRE RAS I.E. Kuznetsova - Ph.D. (Phys.-Math.), Leading Research Scientist, Saratov branch of Kotelnikov IRE RAS

A new method of suppressing the parasitic oscillations in a lateral electric field excited piezoelectric resonators (LEF resonators). The method is realized in the composite resonator having a structure «glass plate with rectangular electrodes - air gap - plate of 128 Y-X lithium niobate». It is shown that there is an optimum width of the air gap, which provides good quality of series and parallel resonances in the frequency range of 3-4 MHz with a record value of the Q-factor of ~15,000 in both cases.

 

1. Zaitsev B.D., Kuznetsova I.E., Shikhabudinov A.M., Teplykh A.A., Borodina I.A. The Study of Piezoelectric Lateral - Electric - Field - Excited Resonator // IEEE Trans. on Ultrason. Ferroelectr. and Freq. Contr. 2014. V. 61. № 1. P. 166-172.
2. Zajjcev B.D., SHikhabudinov A.M., Borodina I.A., Teplykh A.A., Kuznecova I.E. Sostavnojj pezoehlektricheskijj rezonator s poperechnym ehlektricheskim polem // Pisma v ZHTF. 2015. T. 41. № 21. S. 14-21.