3 m point group crystal 1 3 m point group crystals 1 Acoustic waves 1 Array devices 1 Array sensors 1 Bulk acoustic wave sensors Crystal resonators 1 Crystals 1 Electrodes 1 Energy trapping 1 Frequency interference 1 Group crystals 1 High-frequency vibrations 1 Lateral field excitation 1 Lithium compounds 1 Mindlin plates 1 Piezoelectricity 1 Quartz 1 Vibration analysis 1 Vibrations analysis 1 array devices 1 bulk acoustic wave sensor 1 energy trapping 1 lateral-field-excitation 1