Transparent ferroelectric crystals with high piezoelectricity are challenging to build because
of their complex structure and disordered domains in rhombohedral relaxor ferroelectrics …

Optical dispersion properties are indispensable in the thorough design of modern perovskite‐
based photonics devices. Based on inverse temperature crystallization (ITC) method, here …

In spite of more than 60 years of research, hundreds of publications, and dramatic influence
on properties, the driving force of the formation of the polar nanoregion (PNR) in the …

High‐performance electro‐optic (EO) materials greatly enhance modulators and switches in
various photonic applications. We investigate the evolution of the tolerance factor (t) and EO …

In recent years, with increased environmental awareness, more and more research has
been carried out for lead-free ferroelectric materials. Among such materials, Na 0.5 Bi 0.5 …

Ion do**, an effective way to modify the nature of materials, is beneficial for the
improvement of material properties. Mn do** exhibits gain of piezoelectric properties in …

Internal fields caused by strain gradient, composition gradient (CG), and space charges
have significant influences on micro and macro properties of ferroelectrics. Here, we report …

The electric-field-enhanced effect of permittivity is one of the most important physical
properties of KTa1-xNbxO3 in paraelectric, thus greatly affecting the performance of electro …

Potassium tantalate niobate (KTa1–x Nb x O3) crystals possess unique and large electro-
optic effects attributed to the formation of their dipolar clusters that are highly dependent on …

The origin of the excellent properties of KTN‐based materials around Curie temperature
(TC), which should be originated form the motion of polar nanoregions (PNRs), has attracted …