Table 1 Mass densities and sound speeds of suggested materials for constructing PnC structure.

From: Fano resonance in one-dimensional quasiperiodic topological phononic crystals towards a stable and high-performance sensing tool

Material

Density (kg/m3)

Longitudinal speed CL (m/s)

Thickness (μm)

Lead

10760

1960

1

Epoxy

1140

2770

1

Propanol

Temperature dependent

Temperature dependent

0.5

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