Materials exhibiting high energy/power density are currently needed to meet the growing
demand of portable electronics, electric vehicles and large-scale energy storage devices …

The lead-free sodium bismuth titanate (BNT) system has been extensively investigated in
the past decade due to its multi-functional electro-active properties. Here, we present a …

Since the discovery of Rochelle salt a century ago, ferroelectric materials have been
investigated extensively due to their robust responses to electric, mechanical, thermal …

Piezoelectric materials provide high strain and large driving forces in actuators and can
transform electrical energy into mechanical energy. Although they were discovered over 100 …

As a consequence of the depletion of fossil fuels and an increasing population, the global
energy crisis has driven researchers to explore innovative energy storage and conversion …

For capacitive energy-storage ceramics, the potential of impedance spectroscopy (IS) is
difficult to exploit fully because of the relaxation-time complex distributions caused by …

The coupling between piezoelectricity and photoexcitation has recently been emerged as an
effective strategy to improve the catalytic performance of semiconductors. Lead-free Bi 0.5 …

The critical role of electrical homogeneity in optimising electric-field breakdown strength
(BDS) and energy storage in high energy density (0.7− x) BiFeO3–0.3 BaTiO3–xBi (Li0 …

The next-generation capacitors have placed higher requirements on energy-storage
dielectrics, such as high temperature, high frequency and high voltage. Perovskite …

Off-stoichiometry of perovskite structural Bi 0.5 Na 0.5 TiO 3 (BNT) ferroelectrics can give
rise to considerable oxide-ion conductivity. The inherent structural characteristics are urgent …