Detection of mercury vapor using resonating microcantilevers
作者:
T. Thundat,
E. A. Wachter,
S. L. Sharp,
R. J. Warmack,
期刊:
Applied Physics Letters
(AIP Available online 1995)
卷期:
Volume 66,
issue 13
页码: 1695-1697
ISSN:0003-6951
年代: 1995
DOI:10.1063/1.113896
出版商: AIP
数据来源: AIP
摘要:
Oscillating silicon nitride microcantilevers coated with a thin gold film have been used to detect mercury vapor in air. Cantilever resonance frequency changes due to surface mass loading as a result of adsorption of mercury vapor. Furthermore, cantilever bending is also altered due to changes in surface stress induced by mercury adsorption on the gold overlayer. Both of these phenomena can be used to quantitatively detect adsorbed vapors with picogram mass resolution. ©1995 American Institute of Physics.
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