Influence of IDT’s aperture on the excitation of piezoelectric acoustic waves in LiNbO3 and KNbO3 platesIren Kuznetsova, Andrey Smirnov and Alyona GorbunovaITM Web Conf., 30 (2019) 06011DOI: https://doi.org/10.1051/itmconf/20193006011