Piezoelectric materials are known to mankind for more than a century, with numerous
advancements made in both scientific understandings and practical applications. In the last …

Negative thermal expansion (NTE), referring to the lattice contraction upon heating, has
been an attractive topic of solid-state chemistry and functional materials. The response of a …

To enable the development of all-solid-state batteries, an inorganic solid-state electrolyte
should demonstrate high ionic conductivity (ie,> 1 mS cm− 1 at 25° C), compressibility (eg,> …

With the rapid growth of electronic devices towards to miniaturization and integration, the Pb-
free ceramic materials with excellent recoverable energy storage density and efficiency are …

We report the first direct evidence that the morphotropic phase boundary in ferroelectric
materials, along with the associated strong piezoelectricity, can be created, destroyed, or …

High‐performance ferroelectric materials are widely used in various electronic devices
owing to the function of mutual conversion among different energies, which mainly relates to …

The cation substitution-dependent phase transition was used as a strategy to discover new
solid solution phosphors and to efficiently tune the luminescence property of divalent …

Chemical and structural heterogeneity and the resulting interaction of coexisting phases can
lead to extraordinary behaviours in oxides, as observed in piezoelectric materials at …

Halide perovskites have received significant attention as materials for various electronic
applications such as photovoltaic cells, photodetectors, light emitting diodes, and sensors …

We report a large piezoelectric Pb-free system—Ba (Ti 0.8 Hf 0.2) O 3-(Ba 0.7 Ca 0.3) TiO 3,
designed upon a triple-point morphotropic phase boundary (TMPB) idea. The system shows …