Title :
Dispersion properties of ZnO/Diamond layered structures under periodic metal gratings
Author :
Kitabayashi, H. ; Smith, P.M.
Author_Institution :
Dept. of Electr. & Comput. Eng., McMaster Univ., Hamilton, Ont., Canada
Abstract :
The space harmonic method is used for the analysis of SAW propagating under an infinite periodic metal grating on ZnO/Diamond substrate. Dispersion properties for shorted and open gratings are derived. Displacement and energy profiles inside each layer indicate that the energy is mainly located inside the diamond layer when the thickness of ZnO is thin enough and that energy is concentrated within a few wavelengths below the interface between ZnO and diamond. COM parameters derived from dispersion curves are also presented.
Keywords :
acoustic dispersion; diamond; surface acoustic waves; zinc compounds; COM parameters; SAW propagation; ZnO-C; ZnO/diamond layered structure; dispersion; periodic metal grating; space harmonic method; Electrodes; Gratings; Green´s function methods; Integral equations; Maxwell equations; Periodic structures; Power harmonic filters; SAW filters; Surface acoustic waves; Zinc oxide;
Conference_Titel :
Ultrasonics Symposium, 1999. Proceedings. 1999 IEEE
Conference_Location :
Caesars Tahoe, NV
Print_ISBN :
0-7803-5722-1
DOI :
10.1109/ULTSYM.1999.849369
