Analytical model of piezoelectric cantilever as rheological sensor

被引：6
|
作者：
Yan, Feng [1 ]
Chan, Helen L. W. [1 ]
机构：
[1] Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Hong Kong, Peoples R China
来源：
PHYSICA B-CONDENSED MATTER | 2011年 / 406卷 / 19期
关键词：
Piezoelectric; Cantilever; Rheological sensor; ATOMIC-FORCE MICROSCOPY; UNIMORPH CANTILEVERS; VISCOSITY; MICROCANTILEVERS;
D O I：
10.1016/j.physb.2011.06.052
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Cantilever sensors have attracted much attention due to their potential as a platform for the development of many physics, chemical, and biological sensors. An analytical model based on analyzing the equivalent circuit of a piezoelectric cantilever as a rheological sensor has been derived and applied in real test. This model can be used to significantly improve the resolution and detection range of the devices. Based on this model, piezoelectric cantilevers have been used for characterizing Newtonian oils with viscosity between 1 and 10(4) mPa s, and good agreements between experimental and modeled results have been obtained. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：3605 / 3608
页数：4
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