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The authors utilize the pulsed electric stimulus near the critical electric field to perform the antiferroelectric-ferroelectric phase transition engineering, realizing enhancement and quick stabilization of capacitance in antiferroelectrics.

The authors reveal distinct atomic-scale mechanisms underlying phase boundary engineering formation and explain the different electrical properties of two (K, Na)NbO₃ based materials with the similar phase boundary, providing a new mechanistic insight.

The authors reveal that the ferroelectric to antiferroelectric phase transition in Pb(Zr_0.97Ti_0.03)O₃-1wt%Nb₂O₅ at low temperatures is an irreversible process exhibiting relaxation behavior and diffusional kinetics.

The authors demonstrate giant energy storage properties in lead-free antiferroelectrics by designing hierarchical heterostructures, featuring interlocked polarization, fishbone polarization configuration, and order-disorder oxygen octahedral tilts.

The authors propose a design strategy of multiscale engineering to boost the polar entropy of BaTiO3-based system, by which the large and flexible polarization change can be offered synchronously, availing superior electrocaloric performance.

Solid-state thermoelectrics can convert waste heat to electrical energy, but applications are hindered by long-term stability issues. Here cobalt is used as a contact layer with direct bonding to thermoelectric MgAgSb, enabling a thermoelectric module to achieve 10.2% conversion efficiency over 1,440 h of thermal cycling.

Ferroelectric/antiferroelectric phase boundary is both technologically and scientifically important. Here, the authors reveal the structure of intermediate phase involved in classical Pb(Zr_1-xTi_x)O₃.

The authors significantly enhance the high-temperature energy storage performance of bismuth sodium titanate-based relaxor ferroelectric multilayer ceramic capacitors via entropy modulated strain heterogeneity.

The authors achieve high energy storage performance with near-ideal energy conversion efficiency and outstanding temperature stability in the entropy-stabilized ferroelectric ceramics by constructing a temperature-adaptive multiphase coexistence structure.

The authors propose a strategy of embedding ultra-weak polar regions in the strong polar fluctuation matrix in (Bi0.5Na0.5)TiO3-based lead-free ceramics to achieve substantial enhancements of energy storage properties.

The authors make local heterogeneous dipolar structures in PbHfO3-based antiferroelectric ceramics, which exhibit a recoverable energy density of 20.04 J cm⁻³ accompany with an efficiency of 90.5%.

The authors introduce the concept of highly polarizable concentrated dipole glass, involving the reduction of polar order scale from the nanoscaled polar nanodomains in traditional relaxor ferroelectrics to atomic-scale individual dipoles.

The large family PbZrO₃-based solid solutions are usually considered as antiferroelectric materials with specific antiparallel polarization configuration. Here, the authors demonstrate the PbZrO₃-based material has ferrielectric dipoles ordering and configure a clear structure-property relationship.

The authors induce a phase boundary similar to Pb(Zr, Ti)O₃’s morphotropic phase boundary structure in (K, Na)NbO₃-based ceramics, which exhibit high residual polarization as well as a significantly improved piezoelectric constant d₃₃.

Targeted multielement substitution of a lead-free relaxor ferroelectric perovskite distorts the lattice structure and induces strong polar disorder, leading to high-polar-entropy ferroelectric oxides with a high electrocaloric effect and long lifetime.

There is a long-standing trade-off between high piezoelectricity and good temperature stability for piezoceramics. Here, authors combine phase boundary engineering and process engineering to relieve this relationship in (Pb, Zr) TiO3 piezoceramics.

The authors propose a polymorphic heterogeneous shell strategy to design core-shell dual-phase dielectrics through synergistically controlling micro and local scale heterostructures, resulting in excellent overall energy storage performance.

There is a desire to know how the threefold ferrielectric coexists with the antiferroelectric phase. Here, the authors realize a threefold-modulated ferrielectric phase regulated by strain-mediated phase separation in PbZrO₃ thin film.

The authors present an equimolar-ratio element high-entropy strategy for designing high-performance dielectric ceramics and uncover the immense potential of tetragonal tungsten bronze-type materials for advanced energy storage applications.

High-performance relaxor ferroelectrics have been widely used in industry. Here the authors show that the enhanced electromechanical response is related to the pseudo ergodicity of nonergodic relaxor ferroelectrics under periodic electric field.