Abstract
Theoretical and experimental results have shown the potential usefulness of La3Ga5SiO14 (LGS) for surface acoustic wave (SAW) applications. The existence of orientations with zero-temperature coefficient of delay (TCD) have been calculated by the computer analysis. A simulation of the temperature-compensated Rayleigh SAWs located around both (0°, 140°, 25°) and (15°, 151°, 40.5°) with the Rayleigh SAW velocity v of 2762 and 2860 m/s, coupling coefficient k2 of 0.38 and 0.41%, and power flow angle PFA of 2 and 0°, has been carried out. The Rayleigh SAW velocity v is lower than those of other SAW materials, which enables miniaturization of SAW design.
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