Energy storage, electrocaloric and optical property studies in Ho-modified NBT–BT lead-free ferroelectric ceramics

KC Sekhar, T Sreenivasu, KV Babu, K Banerjee… - Ceramics …, 2023 - Elsevier
A comprehensive investigation of structural, microstructural, optical, electrocaloric, and
energy storage properties of Ho-modified NBT-BT lead-free ceramics was conducted from …

Piezoelectric nanogenerator based on lead-free BiFeO3: Sr perovskite

S Khadtare, A Kumar, U Jung, C Sang, J Park - Journal of Alloys and …, 2022 - Elsevier
The current work reports the synthesis of Bi 1− x Sr x FeO 3 (SBFO; x= 0.0, 0.15, 0.25, 0.35)
nanoparticles by sol-gel method and study of its structural and piezoelectric properties. X-ray …

Structural evolution, dielectric relaxation and modulus spectroscopic studies in Dy substituted NBT-BT ferroelectric ceramics

K Chandra Sekhar, MLV Mahesh, T Sreenivasu… - Journal of Materials …, 2021 - Springer
We report the effect of partial substitution of Dy 3+ rare earth ion in NBT-BT lead free
ceramics on its structural, microstructural, ferroelectric and dielectric phase transitions. The …

Nanostructures of Sr2+ doped BiFeO3 multifunctional ceramics with tunable photoluminescence and magnetic properties

SK Mandal, T Rakshit, SK Ray, SK Mishra… - Journal of Physics …, 2013 - iopscience.iop.org
Careful tuning of formation (calcination) temperature of Sr 2+ doped BiFeO 3 multiferroic
ceramics results in tailorable particle morphologies ranging from spherical to pillar-like …

A new approach for crystallization of copper (II) oxide hollow nanostructures with superior catalytic and magnetic response

I Singh, K Landfester, A Chandra, R Muñoz-Espí - Nanoscale, 2015 - pubs.rsc.org
We report the synthesis of copper (II) oxide hollow nanostructures at ambient pressure and
close to room temperature by applying the soft templating effect provided by the confinement …

Evidence of a glassy magnetic transition driven by structural disorder in BiFeO3 nanoparticles

AC Rodríguez, A Reiber, IK Schuller, D Muraca… - Journal of Magnetism …, 2022 - Elsevier
Important effects appear in low and high temperature magnetometry of multiferroic BiFeO 3
(BFO) nanoparticles as sizes are reduced from 105 nm to 18 nm. In these particles, a …

Stabilization of dielectric anomaly near the magnetic phase transition in Ca2+ doped BiFeO3 multifunctional ceramics

P Tirupathi, A Chandra - Journal of alloys and compounds, 2013 - Elsevier
Stabilization of a prominent peak in the variation of dielectric constant in Ca2+ doped
BiFeO3 ceramics near the antiferromagnetic to paramagnetic phase transition is reported …

Analysis of dielectric and magnetic phase transitions in Yb(Fe0.5Cr0.5)O3 bulk perovskite

T Patri, P Justin, PD Babu, A Ghosh - Applied Physics A, 2019 - Springer
A comprehensive investigation of dielectric and magnetic phase transitions in Yb (Fe 0.5 Cr
0.5) O 3 bulk ceramics has been presented. The co-existence of orthorhombic phase (Pbnm) …

Exploring multiferroicity in BiFeO3-NaNbO3 thermistor electroceramics

D Giraldo, P Almodóvar, ML López… - Journal of the European …, 2021 - Elsevier
Abstract The BiFeO 3–NaNbO 3 electroceramics, synthesized by the ceramic method, are
studied aiming to obtain materials with a well-defined thermistor response coexisting with a …

Calcium-doping effects on photovoltaic response and structure in multiferroic BiFeO3 ceramics

CS Tu, CM Hung, ZR Xu, VH Schmidt, Y Ting… - Journal of Applied …, 2013 - pubs.aip.org
Photovoltaic (PV) effects, power-conversion efficiencies, and structures have been
systematically measured in (Bi 1− x Ca x) FeO 3− δ ceramics for x= 0.05, 0.10, and 0.15. The …