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 …

Density functional theory for doped TiO2: Current research strategies and advancements

S Zavatski, E Neilande, H Bandarenka, A Popov… - …, 2024 - iopscience.iop.org
Since the inception of the density functional theory (DFT) by Hohenberg and Kohn in 1964, it
rapidly became an indispensable theoretical tool across various disciplines, such as …

The Fermi energy as common parameter to describe charge compensation mechanisms: A path to Fermi level engineering of oxide electroceramics

A Klein, K Albe, N Bein, O Clemens, KA Creutz… - Journal of …, 2023 - Springer
Chemical substitution, which can be iso-or heterovalent, is the primary strategy to tailor
material properties. There are various ways how a material can react to substitution …

Defect mechanisms, oxygen vacancy trapping ability in rare‐earth doped BaTiO3 from first‐principles and thermodynamics

X Cheng, YC Zhen, P Zhao, K Hui… - Journal of the …, 2023 - Wiley Online Library
The defect mechanisms of rare earth (RE) doped BaTiO3 have a strong impact on the
electrical performance of the multilayer ceramics capacitors (MLCCs). Oxygen vacancy is …

Fermi level pinning in Co‐doped BaTiO3: Part I. DC and AC electrical conductivities and degradation behavior

GH Ryu, PC Bowes, JR McGarrahan… - Journal of the …, 2022 - Wiley Online Library
We explore the synergistic effects of co‐doping BaTiO3 with a judicious combination of
acceptors and donors to control the point defect chemistry and electrical properties, with the …

Switching between Z-scheme and type-II charge separation mechanisms in ZnO/ZnS composite photocatalyst by La doping

F Yu, Y Zhou, J Cui, Z Liu, Y Li, L He, J Zhang… - Journal of Materials …, 2022 - Springer
In order to study the photo-generated carrier transfer mechanism in ZnO/ZnS-based
composite photocatalyst, a series of ZnO/ZnS composite samples were prepared by two-step …

Diffusion and defect chemistry of temperature-stable BaTiO3-based ceramics: Experiment and theoretical calculations

X Cheng, YC Zhen, M Xiao, P Zhao, K Hui… - Journal of the European …, 2025 - Elsevier
The ion diffusion and defect chemistry are the key factors in constructing the core-shell
structure and improving the dielectric properties in temperature-stable BaTiO 3-based …

BaTiO3 基超薄层BME MLCC 的可靠性机理

朱超琼, 蔡子明, 冯培忠, 张伟晨, 惠可臻, 曹秀华… - 物理化学 …, 2023 - whxb.pku.edu.cn
Currently, the world is at the intersection of the energy and computer revolutions. The
electronic information industry, driven by the fields of 5G communication, smartphones, and …

Effect of A/B ratio on the dielectric properties and insulation resistance of barium titanate sintered in a reducing atmosphere

YZ Lin, KH Yang, HI Hsiang - Materials Research Bulletin, 2024 - Elsevier
The effect of the A/B ratio on the dielectric properties and insulation resistance of barium
titanate (BaTiO 3) sintered in a reducing atmosphere was investigated in this study. The …

[HTML][HTML] Photochromism of UV-annealed Fe-doped SrTiO3

Y Wu, PC Bowes, JN Baker, DL Irving - Applied Physics Letters, 2021 - pubs.aip.org
High-temperature annealing coupled with above bandgap UV illumination is an emerging
approach to manipulate defect chemistries and resultant properties of electroceramics. To …