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Proceedings 2017, 1(2), 20; doi:10.3390/ecsa-3-C005

Love Wave Sensor Based on PMMA/ZnO/Glass Structure for Liquids Sensing

1
Institute of Photonics and Nanotechnologies, IFN-CNR, Via Cineto Romano 42, 00156 Rome, Italy
2
Research Center in Industrial Technologies CRTI, ex- CSC, BP64 Cheraga, 16014 Algiers, Algeria
Presented at the 3rd International Electronic Conference on Sensors and Applications, 15–30 November 2016; Available online: https://sciforum.net/conference/ecsa-3.
*
Author to whom correspondence should be addressed.
Published: 14 November 2016
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Abstract

PMMA/ZnO/glass structure was investigated to enhance Love mode sensor sentivities. The phase velocities and the attenuation of the acoustic wave propagating along the PMMA/30° tilted c-axis ZnO/glass structure contacting a viscous non-conductive liquid were calculated for different PMMA (Polymethyl methacrylate) and ZnO guiding layer thicknesses, added mass thicknesses, and liquid viscosity and density. The sensor velocity and attenuation sensitivities were also calculated for different environmental parameters. The resulted sensitivities to liquid viscosity and added mass were optimized by adjusting the ZnO and PMMA guiding layer thickness corresponding to a sensitivity peak. The present analysis is of importance in manufacturing and applications of the PMMA-ZnO-glass structure Love wave sensors for the detection of liquids properties, such as viscosity, density and mass anchored to the sensor surface.
Keywords: love wave sensor; surface acoustic waves; ZnO; PMMA love wave sensor; surface acoustic waves; ZnO; PMMA
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Hamidullah, M.; Caliendo, C.; Laidoudi, F. Love Wave Sensor Based on PMMA/ZnO/Glass Structure for Liquids Sensing. Proceedings 2017, 1, 20.

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