Fig. 6: Experimental results of the resonator as a viscosity sensor.

a Quality factor in various liquid media, with error bars indicating the standard deviation. b Resonant frequency in various liquid media, with error bars indicating the standard deviation. c Comparison of liquid viscosities based on experimental results and reference values. d Measurement deviation of the resonator for the liquid viscosity. e Standard deviation (SD) results of viscosity measurements in liquid media. f Relative standard deviation (RSD) results of viscosity measurements in liquid media