Fei Li

TL;DR: In this paper, the authors summarize the principles of dielectric energy-storage applications, and recent developments on different types of Dielectrics, namely linear dielectrics (LDE), paraelectric, ferroelectrics, and antiferro electrics, focusing on perovskite lead-free dielectors.

TL;DR: In this paper, the impact factors on the hysteresis loops are discussed based on recent developments in ferroelectric and related materials, including the effect of materials (grain size and grain boundary, phase and phase boundary, doping, anisotropy, thickness), aging, and measurement conditions (applied field amplitude, fatigue, frequency, temperature, stress), which can affect the hysteretic behaviors of the ferroelectrics.

TL;DR: This research provides a new paradigm for designing material properties through engineering local structural heterogeneity, expected to benefit a wide range of functional materials.

TL;DR: In this paper, a perspective and future development of relaxor-PbTiO3 (PT) piezoelectric materials are given. And the physical origins and unique loss characteristics in relaxorPT crystals are discussed with respect to their crystal structure.

TL;DR: In this review, the performance merits of relaxor-PT crystals in various electroacoustic devices are presented from a piezoelectric material viewpoint and the impacts and challenges are summarized to guide on-going and future research in the development of relaxors for the next generation electroac acoustic transducers.