[HTML][HTML] Progress and perspective of high strain NBT-based lead-free piezoceramics and multilayer actuators

P Fan, K Liu, W Ma, H Tan, Q Zhang, L Zhang… - Journal of …, 2021 - Elsevier
abstract In this review, the evolution of high strain Na 0.5 Bi 0.5 TiO 3-based lead-free
piezoceramics and their multilayer actuators has been explored. First, in terms of Na 0.5 Bi …

Electric field-induced transformations in bismuth sodium titanate-based materials

G Viola, Y Tian, C Yu, Y Tan, V Koval, X Wei… - Progress in Materials …, 2021 - Elsevier
Electric field-induced transformations occur in a myriad of systems with a variegated
phenomenology and have attracted widespread scientific interest due to their importance in …

Transferring lead-free piezoelectric ceramics into application

J Rödel, KG Webber, R Dittmer, W Jo, M Kimura… - Journal of the European …, 2015 - Elsevier
After twenty years of partly quiet and ten years of partly enthusiastic research into lead-free
piezoceramics there are now clear prospects for transfer into applications in some areas …

Temperature‐ and Frequency‐Dependent Properties of the 0.75Bi1/2Na1/2TiO3–0.25SrTiO3 Lead‐Free Incipient Piezoceramic

M Acosta, W Jo, J Rödel - Journal of the American Ceramic …, 2014 - Wiley Online Library
The dielectric and electromechanical properties of 0.75 Bi 1/2 Na 1/2 TiO 3–0.25 SrTiO 3 (25
ST) as a function of temperature and frequency were studied. It is shown that the 25 ST is a …

Core–Shell Lead–Free Piezoelectric Ceramics: Current Status and Advanced Characterization of the Bi1/2Na1/2TiO3–SrTiO3 System

M Acosta, LA Schmitt, L Molina‐Luna… - Journal of the …, 2015 - Wiley Online Library
The design of core–shell materials affords additional degrees of freedom to tailor functional
properties as compared to solid solution counterparts. Although to date most of the work in …

Dielectric relaxation, lattice dynamics and polarization mechanisms in Bi0. 5Na0. 5TiO3-based lead-free ceramics

G Viola, H Ning, X Wei, M Deluca… - Journal of Applied …, 2013 - pubs.aip.org
In 0.95 [0.94 Bi 0.5 Na 0.5 TiO 3-0.06 BaTiO 3]-0.05 CaTiO 3 ceramics, the temperature TS
(dielectric permittivity shoulder at about 125 C) represents a transition between two different …

Propensity for spontaneous relaxor-ferroelectric transition in quenched (Na1/2Bi1/2) TiO3-BaTiO3 compositions

L KV, J Koruza, J Rödel - Applied Physics Letters, 2018 - pubs.aip.org
Recently, quenching lead-free non-ergodic relaxor Na 1/2 Bi 1/2 TiO 3-BaTiO 3 (NBT-BT)
materials has been reported to increase the thermal depolarization temperature and …

Superior electrostrictive effect in relaxor potassium sodium niobate based ferroelectrics

B Wu, C Zhao, Y Huang, J Yin, W Wu… - ACS applied materials & …, 2020 - ACS Publications
Electromechanical actuators with toxic lead-based electrostrictive materials dominate the
market of high-precision electronics devices, so one of urgent aims becomes how to explore …

Tailoring frequency-insensitive large field-induced strain and energy storage properties in (Ba 0.85 Ca 0.15)(Zr 0.1 Ti 0.9) O 3-modified (Bi 0.5 Na 0.5) TiO 3 lead-free …

W Bai, L Wang, X Zhao, P Zheng, F Wen, L Li… - Dalton …, 2019 - pubs.rsc.org
Lead-free (Bi0. 5Na0. 5) TiO3-based relaxor ferroelectrics are attracting growing research
interest due to their very large field-induced strain response and excellent energy storage …

Ergodicity reflected in macroscopic and microscopic field-dependent behavior of BNT-based relaxors

R Dittmer, D Gobeljic, W Jo, VV Shvartsman… - Journal of Applied …, 2014 - pubs.aip.org
The effect of heterovalent B-site do** on ergodicity of relaxor ferroelectrics is studied using
(1− y)(0.81 Bi 1/2 Na 1/2 TiO 3-0.19 Bi 1/2 K 1/2 TiO 3)-yBiZn 1/2 Ti 1/2 O 3 (BNT-BKT-BZT) …