Elastic, Piezoelectric, Acousto-Optic and Electro-Optic Properties of Li₂B₄O₇

Abstract

Transparent, core-free and good quality single crystals of Li 2 B 4 O 7 have been successfully grown by the Czochralski method. All dielectric, elastic and piezoelectric constants, and their first- and second-order temperature coefficients have been determined by measuring resonant and antiresonant frequencies of bars and plates with various orientations. The theoretical and experimental results show the potential usefulness of Li 2 B 4 O 7 for bulk wave or SAW applications. Further, measurements on optical, acousto-optic and electro-optic properties of Li 2 B 4 O 7 have also been carried out.