Controllable electrical, magnetoelectric and optical properties of BiFeO3 via domain engineering

Y Liu, Y Wang, J Ma, S Li, H Pan, CW Nan… - Progress in Materials …, 2022 - Elsevier
Abstract Bismuth ferrite (BiFeO 3, BFO) as one of the few single-phase room-temperature
multiferroics, has aroused ever-increasing enthusiasm in research communities during the …

Programming polarity heterogeneity of energy storage dielectrics by bidirectional intelligent design

X Chen, ZH Shen, RL Liu, Y Shen, HX Liu… - Advanced …, 2024 - Wiley Online Library
Dielectric capacitors, characterized by ultra‐high power densities, are considered as
fundamental energy storage components in electronic and electrical systems. However …

Local Structure of Disordered Bi0.5K0.5TiO3 Investigated by Pair Distribution Function Analysis and First-Principles Calculations

B Jiang, T Grande, SM Selbach - Chemistry of Materials, 2017 - ACS Publications
We investigate A-site cation ordering in the ferroelectric perovskite Bi0. 5K0. 5TiO3 (BKT) by
density functional theory (DFT) calculations and synchrotron X-ray total scattering. Using …

[HTML][HTML] Temperature stable and fatigue resistant lead-free ceramics for actuators

A Khesro, D Wang, F Hussain, DC Sinclair… - Applied Physics …, 2016 - pubs.aip.org
Lead-free ceramics with the composition 0.91 K 1/2 Bi 1/2 TiO 3–0.09 (0.82 BiFeO 3-0.15
NdFeO 3-0.03 Nd 2/3 TiO 3) were prepared using a conventional solid state, mixed oxide …

Polarization and strain response in Bi0. 5K0. 5TiO3-BiFeO3 ceramics

MI Morozov, MA Einarsrud, T Grande - Applied Physics Letters, 2012 - pubs.aip.org
Highly dense and phase-pure ferroelectric ceramics in the (1-x) Bi 0.5 K 0.5 TiO 3–xBiFeO 3
system have been prepared and examined in a wide range of composition (0.1≤ x≤ 0.9) …

Electrical conductivity and thermopower of (1− x) BiFeO 3–x Bi 0.5 K 0.5 TiO 3 (x= 0.1, 0.2) ceramics near the ferroelectric to paraelectric phase transition

ET Wefring, MA Einarsrud, T Grande - Physical Chemistry Chemical …, 2015 - pubs.rsc.org
Ferroelectric BiFeO3 has attractive properties such as high strain and polarization, but a
wide range of applications of bulk BiFeO3 are hindered due to high leakage currents and a …

Atmosphere controlled conductivity and Maxwell-Wagner relaxation in Bi0. 5K0. 5TiO3—BiFeO3 ceramics

MI Morozov, MA Einarsrud, T Grande - Journal of Applied Physics, 2014 - pubs.aip.org
Here, we report on a giant dielectric relaxation in (1− x) Bi 0.5 K 0.5 TiO 3—xBiFeO 3
ceramics below∼ 300 C, which becomes more pronounced with increasing BiFeO 3 …

Structural Disorder and Coherence across the Phase Transitions of Lead-Free Piezoelectric Bi0.5K0.5TiO3

B Jiang, TM Raeder, DY Lin, T Grande… - Chemistry of …, 2018 - ACS Publications
Relaxor ferroelectrics exhibit superior properties for converting mechanical energy into
electrical energy, and vice versa, but the structural disorder hampers an understanding of …

Tailoring the structure and piezoelectric properties of BiFeO3-(K0. 5Bi0. 5) TiO3–PbTiO3 ceramics for high temperature applications

J Bennett, AJ Bell, TJ Stevenson, TP Comyn - Applied Physics Letters, 2013 - pubs.aip.org
There is a growing requirement for piezoelectric materials and systems which can operate in
extreme environments, for example, oil & gas, and aerospace. Here, we present the high …

Solid‐State Synthesis and Properties of Relaxor (1−x)BKT–xBNZ Ceramics

ET Wefring, MI Morozov, MA Einarsrud… - Journal of the …, 2014 - Wiley Online Library
Conventional solid‐state synthesis was used to synthesize dense and phase pure ceramics
in the (1− x) Bi0. 5K0. 5TiO3–xBi0. 5Na0. 5ZrO3 (BKT–BNZ) system. Structural …