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In this paper, two pseudo-LFE devices made up of X-cut and (yxl) 21.82 are investigated and compared. The coupling factors of both devices are calculated and the impedance characteristics are tested by impedance analyzer. The sensitivity and stability of both devices to the electrical property changes of liquid are also tested in isopropanol-water and NaCl-water solution. We...
Through theoretical calculations using the extended Christoffel-Bechmann method and experiments, three operation modes of the LFE devices, which were referred to as the pure-LFE, quasi-LFE and pseudo-LFE modes, were presented. Several about 5 MHz LFE devices with similar geometry using the (yxl)-58deg LiNbO3, (yxl)-16.51deg LiTaO3 and AT-cut quartz crystals were fabricated for analyzing three LFE...
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