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	Lateral-field-excitation piezoelectric sensors for liquid sensing
	Wang Wenyan ; Zhang Chao ; Zhang Zhitian ; Liu Yan ; Feng Guanping ; Jing Gang
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ acoustic wave propagation biosensors electrical conductivity permittivity piezoelectric devices viscosity/ lateral field excitation piezoelectric sensor liquid sensing micro acoustic wave theory propagation mechanism bulk acoustic waves liquid viscosity liquid permittivity liquid conductivity biosensor/ B2860A Piezoelectric devices B7230J Biosensors
中文摘要	Piezoelectric sensors based on lateral field excitation (LFE) offer more superior capabilities than traditional quartz crystal microbalance sensors. Micro acoustic wave theory was used to analyze the propagation mechanism of LFE bulk acoustic waves and to calculate the piezoelectric coupling factors for arbitrary cut orientations and lateral field directions in quartz. An LFE sensor was then designed and tested in three different liquid solutions to measure the sensitivities to liquid viscosity, permittivity, and conductivity. The results show that LFE sensors offer much higher sensitivity to liquid electrical property changes in addition to a mass sensitive effect. This behavior could be used to design a biosensor sensitive to several properties.
语种	中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80261]
专题	清华大学
推荐引用方式 GB/T 7714	Wang Wenyan,Zhang Chao,Zhang Zhitian,et al. Lateral-field-excitation piezoelectric sensors for liquid sensing[J],2010, 2010.
APA	Wang Wenyan,Zhang Chao,Zhang Zhitian,Liu Yan,Feng Guanping,&Jing Gang.(2010).Lateral-field-excitation piezoelectric sensors for liquid sensing..
MLA	Wang Wenyan,et al."Lateral-field-excitation piezoelectric sensors for liquid sensing".(2010).

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