Fig. 3: Microstructural morphology and composition of epoxy/BT sponge composites.
From: Enhanced dielectric constant and energy density in a BaTiO3/polymer-matrix composite sponge
a–d Cross-sectional SEM images of epoxy/BT sponge composites. The white and gray colors correspond to BT and epoxy resin, respectively. e, f EDX mappings of Ba (L-edge) and Ti (K-edge) distributions corresponding to d.
