Method for measurement of shear-wave impedance in the MHz region for liquid samples of approximately 1 ml

@article{Eggers1987MethodFM,
  title={Method for measurement of shear-wave impedance in the MHz region for liquid samples of approximately 1 ml},
  author={F. Eggers and T. Funck},
  journal={Journal of Physics E: Scientific Instruments},
  year={1987},
  volume={20},
  pages={523-530}
}
  • F. Eggers, T. Funck
  • Published 1987
  • Materials Science
  • Journal of Physics E: Scientific Instruments
A method for measuring both the real and imaginary parts of complex shear-wave impedance Zs* for low viscosity liquids using a planar AT-quartz resonator (thickness shear) in an RF bridge network between 2 and 34 MHz, is described. This technique employs a PLL circuit and permits continuous quantitative recording of the sample impedance (probe volume below 1 ml). The mechanical vibration amplitude at the transducer-liquid interface is in the Angstrom range, preventing any heating and structural… Expand
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