Title :
Acoustic-surface-wave properties of Bi12GeO20
Author :
Pratt, R.G. ; Simpson, Gavin ; Crossley, W.A.
Author_Institution :
Mullard Research Laboratories, Redhill, UK
Abstract :
Surface-wave velocities, electromechanical-coupling coefficients and power-flow angles on the three principal planes of bismuth germanium oxide (Bi12GeO20) are presented as a function of the propagation direction, good agreement being obtained between calculated and measured values.
Keywords :
acoustic microwave devices; acoustic wave propagation; piezoelectricity; ultrasonic propagation; ultrasonic velocity; electromechanical coupling; germanium oxide; power flow angles; propagation direction; surface wave velocities;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19720091
