Title :
Piezoelectric coupling parameter Δν/ν for acoustic surface waves in a layered CdSe-on-yz-cut-LiNbO3 structure
Author :
Voges, E. ; Angerstein, J.
Author_Institution :
Technische Universitÿt Braunschweig, Institut fÿr Hochfrequenztechnik, Braunschweig, West Germany
Abstract :
The piezoelectric coupling parameter Δν/ν has been determined at 100 MHz by measuring the change in velocity for a metallised interface in a CdSe-on-yz-cut-LiNbO3 structure. An initial increase of Δν/ν from 2.5x10--2 at kh = 0 to 2.9x10--2 at a normalised layer thickness kh¿0.5 has been observed, in agreement with theory.
Keywords :
acoustic surface wave devices; interface phenomena; piezoelectric transducers; 100 MHz; CdSe; LiNbO3; coupling parameter;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19730174
