Noise in quartz crystal microbalance

作者: Martin Vrnata , Filip Vyslouzil , Premysl Fitl , Dusan Kopecky , Peter H. Handel

DOI: 10.1109/ICNF.2011.5994336

关键词:

摘要: There are several mechanisms that related to fluctuation phenomena in QCM. The aim of our research is oriented study the sensitivity and influence different kind noises on sensor resolution. Our experiments provided with sorption layer polypyrrole which suitable for detection water vapor. Based these experiments, we suppose 1/f noise caused by quartz internal friction adoption-desorption (generation-recombination) from analyzed gas create main components measured spectral density. value depends physical chemical parameters it proportional Adsorption-desorption kinetics described Kolmogorov equation compared Wolkenstein Langmuir equations.

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