Dielectric and Electrical Properties of WS₂ Nanotubes/Epoxy Composites and Their Use for Stress Monitoring of Structures

Figure 7

(a) Permittivity (dielectric constant-), (b) imaginary permittivity (loss factor-), and (c) AC conductivity (σ) versus frequency of the INT-WS₂ pellet, sample 6, samples 8–11, and the neat epoxy.

(a)

(b)

(c)