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Multimode Design and Piezoelectric Substrate Anisotropy Use to Improve Performance of Acoustic Liquid Sensors

Using acoustic wave modes propagation in piezoelectric plates loaded with conductive liquids, peculiarities of the mode-liquid acoustoelectric interaction are studied. It is found that (i) in contrast to bulk and surface acoustic waves propagating in piezoelectric semiconductors, the acoustoelectric...

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Autores principales: Smirnov, Andrey, Anisimkin, Vladimir, Voronova, Natalia, Shamsutdinova, Elizaveta, Li, Peng, Ezzin, Hamdi, Qian, Zhenghua, Ma, Tingfeng, Kuznetsova, Iren
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9572002/
https://www.ncbi.nlm.nih.gov/pubmed/36236329
http://dx.doi.org/10.3390/s22197231
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author Smirnov, Andrey
Anisimkin, Vladimir
Voronova, Natalia
Shamsutdinova, Elizaveta
Li, Peng
Ezzin, Hamdi
Qian, Zhenghua
Ma, Tingfeng
Kuznetsova, Iren
author_facet Smirnov, Andrey
Anisimkin, Vladimir
Voronova, Natalia
Shamsutdinova, Elizaveta
Li, Peng
Ezzin, Hamdi
Qian, Zhenghua
Ma, Tingfeng
Kuznetsova, Iren
author_sort Smirnov, Andrey
collection PubMed
description Using acoustic wave modes propagation in piezoelectric plates loaded with conductive liquids, peculiarities of the mode-liquid acoustoelectric interaction are studied. It is found that (i) in contrast to bulk and surface acoustic waves propagating in piezoelectric semiconductors, the acoustoelectric attenuation of the modes is not symmetric in respect to its maximum, (ii) a large increase in attenuation may be accompanied by a small decrease in phase velocity and vice versa, (iii) the peculiarities are valid for “pure” (without beam steering) and “not pure” (with beam steering) modes, as well as for modes of different orders and polarizations, and (iv) conductivity of test liquid increases electromagnetic leakage between input and output transducers, affecting results of the measurements. To decrease the leakage, the liquid should be localized between transducers, outside the zone over them. If so, the mode sensitivity may be as large as 8.6 dB/(S/m) for amplitude and 107°/(S/m) for phase. However, because of comparable cross-sensitivity towards viscosity and dielectric permittivity, modes with selective detection of liquid conductivity are not found.
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spelling pubmed-95720022022-10-17 Multimode Design and Piezoelectric Substrate Anisotropy Use to Improve Performance of Acoustic Liquid Sensors Smirnov, Andrey Anisimkin, Vladimir Voronova, Natalia Shamsutdinova, Elizaveta Li, Peng Ezzin, Hamdi Qian, Zhenghua Ma, Tingfeng Kuznetsova, Iren Sensors (Basel) Article Using acoustic wave modes propagation in piezoelectric plates loaded with conductive liquids, peculiarities of the mode-liquid acoustoelectric interaction are studied. It is found that (i) in contrast to bulk and surface acoustic waves propagating in piezoelectric semiconductors, the acoustoelectric attenuation of the modes is not symmetric in respect to its maximum, (ii) a large increase in attenuation may be accompanied by a small decrease in phase velocity and vice versa, (iii) the peculiarities are valid for “pure” (without beam steering) and “not pure” (with beam steering) modes, as well as for modes of different orders and polarizations, and (iv) conductivity of test liquid increases electromagnetic leakage between input and output transducers, affecting results of the measurements. To decrease the leakage, the liquid should be localized between transducers, outside the zone over them. If so, the mode sensitivity may be as large as 8.6 dB/(S/m) for amplitude and 107°/(S/m) for phase. However, because of comparable cross-sensitivity towards viscosity and dielectric permittivity, modes with selective detection of liquid conductivity are not found. MDPI 2022-09-23 /pmc/articles/PMC9572002/ /pubmed/36236329 http://dx.doi.org/10.3390/s22197231 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Smirnov, Andrey
Anisimkin, Vladimir
Voronova, Natalia
Shamsutdinova, Elizaveta
Li, Peng
Ezzin, Hamdi
Qian, Zhenghua
Ma, Tingfeng
Kuznetsova, Iren
Multimode Design and Piezoelectric Substrate Anisotropy Use to Improve Performance of Acoustic Liquid Sensors
title Multimode Design and Piezoelectric Substrate Anisotropy Use to Improve Performance of Acoustic Liquid Sensors
title_full Multimode Design and Piezoelectric Substrate Anisotropy Use to Improve Performance of Acoustic Liquid Sensors
title_fullStr Multimode Design and Piezoelectric Substrate Anisotropy Use to Improve Performance of Acoustic Liquid Sensors
title_full_unstemmed Multimode Design and Piezoelectric Substrate Anisotropy Use to Improve Performance of Acoustic Liquid Sensors
title_short Multimode Design and Piezoelectric Substrate Anisotropy Use to Improve Performance of Acoustic Liquid Sensors
title_sort multimode design and piezoelectric substrate anisotropy use to improve performance of acoustic liquid sensors
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9572002/
https://www.ncbi.nlm.nih.gov/pubmed/36236329
http://dx.doi.org/10.3390/s22197231
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