Local structural heterogeneity and electromechanical responses of ferroelectrics: learning from relaxor ferroelectrics

F Li, S Zhang, D Damjanovic, LQ Chen… - Advanced Functional …, 2018 - Wiley Online Library
Long‐range ordering of dipoles is a key microscopic signature of ferroelectrics. These
ordered dipoles form ferroelectric domains, which can be reoriented by electric fields …

Evolution from lead‐based to lead‐free piezoelectrics: engineering of lattices, domains, boundaries, and defects leading to giant response

M Waqar, H Wu, J Chen, K Yao, J Wang - Advanced Materials, 2022 - Wiley Online Library
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 …

The origin of ultrahigh piezoelectricity in relaxor-ferroelectric solid solution crystals

F Li, S Zhang, T Yang, Z Xu, N Zhang, G Liu… - Nature …, 2016 - nature.com
The discovery of ultrahigh piezoelectricity in relaxor-ferroelectric solid solution single
crystals is a breakthrough in ferroelectric materials. A key signature of relaxor-ferroelectric …

Lead‐free relaxor ferroelectrics

VV Shvartsman, DC Lupascu - Journal of the American …, 2012 - Wiley Online Library
Feature size is a natural determinant of material properties. Its design offers the
technological perspectives for material improvement. Grain size, crystallite size, domain …

Relaxing with relaxors: a review of relaxor ferroelectrics

RA Cowley, SN Gvasaliya, SG Lushnikov… - Advances in …, 2011 - Taylor & Francis
Relaxor ferroelectrics were discovered in the 1950s but many of their properties are not
understood. In this review, we shall concentrate on materials such as PMN …

The Contributions of Polar Nanoregions to the Dielectric and Piezoelectric Responses in Domain‐Engineered Relaxor‐PbTiO3 Crystals

F Li, S Zhang, Z Xu, LQ Chen - Advanced Functional Materials, 2017 - Wiley Online Library
The existence of polar nanoregions is the most important characteristic of relaxor‐based
ferroelectric materials. Recently, the contributions of polar nanoregions to the shear …

The relation of local order to material properties in relaxor ferroelectrics

MJ Krogstad, PM Gehring, S Rosenkranz, R Osborn… - Nature materials, 2018 - nature.com
Correlating electromechanical and dielectric properties with nanometre-scale order is the
defining challenge for the development of piezoelectric oxides. Current lead (Pb)-based …

Electric-field-induced redistribution of polar nano-regions in a relaxor ferroelectric

G Xu, Z Zhong, Y Bing, ZG Ye, G Shirane - Nature materials, 2006 - nature.com
Relaxor ferroelectrics, with their strong dependence of polarization on the applied electric
field, are of considerable technological importance. On a microscopic scale, however, there …

Phase instability induced by polar nanoregions in a relaxor ferroelectric system

G Xu, J Wen, C Stock, PM Gehring - Nature materials, 2008 - nature.com
Relaxor ferroelectrics are a special class of material that exhibit an enormous
electromechanical response and are easily polarized with an external field. These …

Role of random electric fields in relaxors

D Phelan, C Stock… - Proceedings of the …, 2014 - National Acad Sciences
PbZr1–x Ti x O3 (PZT) and Pb (Mg1/3Nb2/3) 1–x Ti x O3 (PMN-x PT) are complex lead-
oxide perovskites that display exceptional piezoelectric properties for pseudorhombohedral …