Controllable preparation of Na0.4K0.1Bi0.5TiO3–CaZrO3–NaNbO3 nanoceramics with excellent temperature-stable energy storage performance by combining sol-gel synthesis and two-step sintering

Phase-Transition Induced Optimization of Energy Storage and Temperature Stability of NaNbO3 Doped BNBST Ceramics

“…21 This internal lattice distortion could explain the decrease in the dielectric constant of the dielectric properties test as the NN content increases. 22 This is consistent with the fact that Na + and Nb 5+ have been completely dissolved in BNBST in XRD. The addition of NaNbO3 destroys the order of long-range cations, reduces the lattice anisotropy of the crystal structure and induces more relaxation properties, which is conducive to reducing P r and improving the energy storage performance.…”

“…32 Meanwhile, the shape of the peak is broadens, the peaks become flatter, and temperature stability was improved, which due to the coexistence of multiple phases. 22 In order to quantitatively evaluate the dielectric temperature stability, the following formula was used to calculate the rate of change of dielectric constant for (1−x)BNBST-xNN ceramics:…”