Defects and aliovalent do** engineering in electroceramics

Y Feng, J Wu, Q Chi, W Li, Y Yu, W Fei - Chemical reviews, 2020 - ACS Publications
Since the positive influences of defects on the performance of electroceramics were
discovered, investigations concerning on defects and aliovalent do** routes have grown …

Fundamentals and practical dielectric implications of stoichiometry and chemical design in a high-performance ferroelectric oxide: BaTiO3

CA Randall, P Yousefian - Journal of the European Ceramic Society, 2022 - Elsevier
The processing science and fundamental understanding of defect chemistry of BaTiO 3 is a
model example of how material science is used to guide the materials engineering of …

Novel SrTiO3-based ceramics with colossal permittivity, low dielectric loss, and high insulation resistivity via defect engineering

B Wang, Y Pu, L Zhang, Y Shang, J Ji, T Wei… - Ceramics …, 2022 - Elsevier
It is a great challenge to high colossal permittivity (CP, Ɛ r) in polycrystal ceramics together
with low dielectric loss (tanδ) and high insulation resistivity (ρ) due to the miniaturization of …

Defect chemistry of alkaline earth metal (Sr/Ba) titanates

T Shi, Y Chen, X Guo - Progress in Materials Science, 2016 - Elsevier
Defect reactions and reaction parameters of SrTiO 3 and BaTiO 3, published in literatures,
over the do** range from acceptor to donor, temperature range from room temperature to> …

NIR light-triggered green emitting perovskite-based phosphor for optical thermometry and future molecular logic gate applications

I Kumar, A Kumar, S Kumar, GB Nair, HC Swart… - Journal of …, 2024 - Springer
Abstract Er3+ and Yb3+ doped CaTiO3 phosphors were synthesized via the solution
combustion method and analyzed for structural, morphological, and optical properties using …

Defect-induced Sr1− xPrxTiO3 crystallites by burial sintering and its optoelectronic applications

M Shah, PKJ Sanam, PP Pradyumnan - … of Physics and Chemistry of Solids, 2023 - Elsevier
The band structure of SrTiO 3 was altered by introducing Pr 3+ in the Sr 2+ site and
subsequent graphite burial sintering. The asymmetric nature of the (310) peak in XRD and …

Dynamic tilting in perovskites

CM Handley, RE Ward, CL Freeman… - Foundations of …, 2023 - journals.iucr.org
A new computational analysis of tilt behaviour in perovskites is presented. This includes the
development of a computational program–PALAMEDES–to extract tilt angles and the tilt …

Structural, spectroscopic and dielectric properties of Ca-doped BaTiO3

MH Khedhri, N Abdelmoula, H Khemakhem, R Douali… - Applied Physics A, 2019 - Springer
Ca-doped barium titanate BaTiO 3 nanopowders were synthesized by the sol–gel process
using barium acetate [Ba (CH 3 COO) 2], calcium acetate [Ca (CH 3 COO) 2] and titanium …

Solidification process of ABO3-type perovskites: Kinetic two-phase growth method with optimized potential

Y Peng, Z Ding, G Su, H Hou, W Liu - Journal of Materials Science & …, 2025 - Elsevier
The functional properties of ABO 3-type perovskite materials have garnered extensive
attention, yet their solidification properties have remained challenging to investigate due to …

Graphite sintered strontium praseodymium titanate perovskite for thermoelectric applications

M Shah, JS PK, PP Pradyumnan - Materials Chemistry and Physics, 2024 - Elsevier
Here Pr 3+ was introduced in the Sr 2+ site in Sr 1-x Pr x TiO 3 (x= 0.05, 0.075, 0.10, 0.125,
0.15, 0.20) system followed by two step graphite burial sintering. Powder reduction helps to …