Abstract:
There are increasing research activities on Love wave devices in biochemical sensing application due to its high sensitivity and low acoustic damping. This paper aims at ...Show MoreMetadata
Abstract:
There are increasing research activities on Love wave devices in biochemical sensing application due to its high sensitivity and low acoustic damping. This paper aims at practical design of Love wave devices for liquid viscosity sensing based on effective permittivity approach and eighth dimension matrix formulation. First, we adopted the effective permittivity approach to calculate and discuss electromechanical coupling coefficient and temperature dependence of the 0th-order Love wave in ZnO/quartz layered structures. Besides, since the measured targets are liquid, reducing wave attenuation and increasing sensitivity become two important issues for the optimum design of a Love wave sensor. To take into account the effect of liquid viscosity on the device sensitivity, we adopted the eighth dimension matrix formulation to calculate phase velocity dispersion and wave attenuation of Love wave devices loaded with water. Finally, we also compared the calculated sensitivity with the existing experimental results. Results show that the proposed approach provided a satisfactory prediction of the device sensitivity of a Love wave liquid sensor.
Published in: SENSORS, 2005 IEEE
Date of Conference: 30 October 2005 - 03 November 2005
Date Added to IEEE Xplore: 13 March 2006
Print ISBN:0-7803-9056-3
Print ISSN: 1930-0395
Keywords assist with retrieval of results and provide a means to discovering other relevant content. Learn more.
- IEEE Keywords
- Index Terms
- Matrix Form ,
- Sensor Design ,
- Love Wave ,
- Damping ,
- Layered Structure ,
- Temperature Dependence ,
- Phase Velocity ,
- Wave Velocity ,
- Sensitivity Of The Sensor ,
- Predictive Sensitivity ,
- Effective Viscosity ,
- Sensitivity Of The Device ,
- Liquid Viscosity ,
- Wave Attenuation ,
- Velocity Dispersion ,
- Solid Line ,
- Perturbation Theory ,
- Linearly Polarized ,
- Piezoelectric ,
- Thermal Expansion ,
- Surface Acoustic Wave ,
- Rayleigh Wave ,
- Fractional Change ,
- Phase Velocity Of Wave ,
- Surface Waves ,
- Broken Line ,
- Free Surface ,
- Material Constants ,
- Viscous Fluid
Keywords assist with retrieval of results and provide a means to discovering other relevant content. Learn more.
- IEEE Keywords
- Index Terms
- Matrix Form ,
- Sensor Design ,
- Love Wave ,
- Damping ,
- Layered Structure ,
- Temperature Dependence ,
- Phase Velocity ,
- Wave Velocity ,
- Sensitivity Of The Sensor ,
- Predictive Sensitivity ,
- Effective Viscosity ,
- Sensitivity Of The Device ,
- Liquid Viscosity ,
- Wave Attenuation ,
- Velocity Dispersion ,
- Solid Line ,
- Perturbation Theory ,
- Linearly Polarized ,
- Piezoelectric ,
- Thermal Expansion ,
- Surface Acoustic Wave ,
- Rayleigh Wave ,
- Fractional Change ,
- Phase Velocity Of Wave ,
- Surface Waves ,
- Broken Line ,
- Free Surface ,
- Material Constants ,
- Viscous Fluid