Relaxor ferroelectrics were discovered almost 50 years ago among the complex oxides with
perovskite structure. In recent years this field of research has experienced a revival of …

The perovskite structure is one of the most wonderful to exist in nature. It obeys to a quite
simple chemical formula, ABX 3, in which A and B are metallic cations and X, an anion …

Topological solitons such as magnetic skyrmions have drawn attention as stable quasi-
particle-like objects. The recent discovery of polar vortices and skyrmions in ferroelectric …

Materials in which magnetic and electric order coexist—termed 'multiferroics' or
'magnetoelectrics'—have recently become the focus of much research,,,. In particular, the …

Dielectric relaxations in ferroelectric ceramics occur at various frequencies, depending on
the type of chemical or physical defects. These defects depend on either intrinsic or extrinsic …

Concern has grown in recent decades about energy consumption and environmental
impact. This is the reason why governments all over the world are heavily investing in R&D …

Infrared reflectivity, time-domain terahertz transmission, high-frequency dielectric
measurements and Raman spectroscopy of Na 0.5 Bi 0.5 TiO 3 complex ferroelectric …

This study demonstrated the effect of Cr do** on structural, dielectric and optical behavior
of ZnO nanoparticles synthesized through sol–gel method. Characteristic investigations …

The complex dielectric response of Bi 1.5 Zn 1.0 Nb 1.5 O 7 cubic pyrochlore ceramics was
investigated between 100 Hz and 100 THz by a combination of low-frequency capacitance …

A theoretical model for the electrocaloric effect (ECE) in relaxor ferroelectrics is presented.
By solving a self-consistent relation for the ECE temperature change Δ T and minimizing …