Research / 2019 / Article / Fig 3

Research Article

Targeted Double Negative Properties in Silver/Silica Random Metamaterials by Precise Control of Microstructures

Figure 3

The variation of (at 10 MHz) for Ag/SiO2 composites with silver volume fraction. The inset shows the calculation results using percolation theory: the percolation threshold is 0.082; the percolation critical exponent is t=0.366.