QCM model as a system of two elastically bound weights

Fedor N. Dultsev, Eugeny A. Kolosovsky

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The idea of strip model is further developed and supplemented by the list of necessary and sufficient conditions to explain why the frequency shift changes its sign for the opposite one. Actually, a load (either point or distributed) is linked to the QCM surface through some elastic bonds rather than rigin ones. Because of this, the frequnecy shift may take on the values opposite in signs. It is demonstrated that the strip model is so general that it fits well with its points to the experimental curves recorded for different QCM samples. To predict the sign of the frequency shift, we introduce an elastic bond between the nanoobject and QCM surface, and describe a semi-analytical solution which explains why the sign of the frequnecy shift changes.

Original languageEnglish
Pages (from-to)965-968
Number of pages4
JournalSensors and Actuators, B: Chemical
Volume242
DOIs
Publication statusPublished - Apr 2017

Keywords

  • Gravimetric chemical sensors
  • Mode matching
  • Nonuniform mass loading
  • QCM
  • SAW
  • FORCED VIBRATIONS
  • VIRUS
  • RESONATORS
  • QUARTZ-CRYSTAL MICROBALANCE
  • PLATES
  • FREQUENCY-SHIFTS
  • LIQUIDS

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