Complex impedance and Raman spectroscopy of Na0. 5 (Bi1-xDyx) 0.5 TiO3 ceramics

M Benyoussef, M Zannen, J Belhadi, B Manoun… - Ceramics …, 2020 - Elsevier
In this work structural refinement, complex impedance spectroscopy (CIS) and Raman
spectroscopy have been investigated on Na 0.5 (Bi 1-x Dy x) 0.5 TiO 3 (xDyNBT) ceramic …

Raman spectroscopic study of Na1/2Bi1/2TiO3-x% BaTiO3 single crystals as a function of temperature and composition

L Luo, W Ge, J Li, D Viehland, C Farley… - Journal of applied …, 2011 - pubs.aip.org
A Raman spectroscopic study of Na 1/2 Bi 1/2 TiO 3-x% BaTiO 3 (NBT-x% BT) single
crystals with x= 0 and 5.6 has been performed as a function of temperature from 25 to 600 C …

Atomistic origin of huge response functions at the morphotropic phase boundary of

K Datta, A Richter, M Göbbels, RB Neder, B Mihailova - Physical Review B, 2014 - APS
The ferroelectric solid solution (1− x) Na 0.5 Bi 0.5 TiO 3-BaTiO 3 (NBT-x BT) is a promising
material to substitute for the environmentally undesired Pb-based ferroelectrics. The strong …

Unique single-domain state in a polycrystalline ferroelectric ceramic

H Guo, C Zhou, X Ren, X Tan - Physical Review B, 2014 - APS
Non-180° ferroelectric domains are also ferroelastic domains; their existence in
polycrystalline materials is to relieve internal stresses generated during solid-solid phase …

Structural transformations in single crystals studied by Raman spectroscopy

G De La Flor, T Malcherek, S Gorfman, B Mihailova - Physical Review B, 2017 - APS
Hard-mode Raman spectroscopy was applied to analyze the temperature-induced
transformation processes in perovskite-type (ABO 3) single crystals of (1-x) Na 0.5 Bi 0.5 TiO …

Enhancement of piezoelectric performance in (Bi1/2Na1/2) TiO3-based system through single-crystallization

Y Wei, Y Deng, S Dong, C Jin, J Niu, L Xia… - Chemical Engineering …, 2024 - Elsevier
Abstract (Bi 1/2 Na 1/2) TiO 3-based ceramics are prominent candidates for lead-free
piezoelectric applications; however, they are hampered by low piezoelectric coefficients (∼ …

Domain structure and enhanced electrical properties in sodium bismuth titanate ceramics sintered from crystals with different morphologies

B Li, MS Cao, J Liu, DW Wang - Journal of the American …, 2016 - Wiley Online Library
Sodium bismuth titanate (Na0. 5Bi0. 5TiO3, NBT) crystals with different morphology, wires,
plates and cubes, were synthesized by hydrothermal method. The domain structure in as …

Textured Bi1/2Na1/2TiO3‐BaTiO3 Lead‐Free Films with Enhanced Piezoelectric Property and Depolarization Temperature

Z Zhou, SW Zhang, Y Zhang, J Luo… - Advanced Electronic …, 2018 - Wiley Online Library
Future microelectromechanical systems will need environmentally friendly lead‐free
piezoelectrics in the form of thin films, like Bi1/2Na1/2TiO3 (BNT); however, its application is …

Temperature-dependent energy storage characterization of Pb-free relaxor ferroelectrics

S Uddin, GP Zheng, A Khan, MR Khan… - Journal of Advanced …, 2020 - World Scientific
The energy storage properties of (1− x) Bi 0. 5 Na 0. 5 TiO3–x BaTiO3 (0≤ x≤ 0. 0 8)(BNT–
BT) ceramics obtained via sol–gel method are determined from the polarization versus …

Frequency dependence of the relaxor-to-ferroelectric transition under applied electrical and mechanical fields

A Martin, NH Khansur, K Riess, KG Webber - Journal of the European …, 2019 - Elsevier
Relaxor ferroelectrics are a unique material class with underlying microscopic processes
that are yet to be fully understood. In particular, the electrical and mechanical field …