Defects and aliovalent doping 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 doping routes have grown …

Colossal permittivity of (Gd+ Nb) co-doped TiO2 ceramics induced by interface effects and defect cluster

Z Cao, J Zhao, J Fan, G Li, H Zhang - Ceramics International, 2021 - Elsevier
Material with high dielectric constant plays an important role in energy storage
elements.(Gd+ Nb) co-doped TiO 2 (GNTO) ceramics with giant dielectric permittivity (> 10 …

Colossal permittivity of Sb and Ga co-doped rutile TiO2 ceramics

J Fan, S Leng, Z Cao, W He, Y Gao, J Liu, G Li - Ceramics International, 2019 - Elsevier
Material with colossal permittivity (CP) is important for the miniaturization of electronic
devices and fabrication of high-density energy storage devices. However, the unbalanced …

Defect engineering of rutile TiO2 ceramics: route to high voltage stability of colossal permittivity

Y Yu, Y Zhao, YL Qiao, Y Feng, WL Li… - Journal of materials …, 2021 - Elsevier
Donor-acceptor co-doped rutile TiO 2 ceramics with colossal permittivity (CP) have been
extensively investigated in recent years due to their potential applications in modern …

High breakdown strength and energy storage performance in (Nb, Zn) modified SrTiO 3 ceramics via synergy manipulation

W Pan, M Cao, A Jan, H Hao, Z Yao… - Journal of Materials …, 2020 - pubs.rsc.org
Dielectric capacitors with high energy storage properties are key enablers for potential
applications. We report SrTi0. 985 (Zn1/3Nb2/3) 0.015 O3–x wt% ZnNb2O6 ceramics with …

High-Performance Giant Dielectric Properties of Cr3+/Ta5+ Co-Doped TiO2 Ceramics

W Tuichai, S Danwittayakul, N Chanlek… - ACS …, 2021 - ACS Publications
The effects of the sintering temperature on microstructures, electrical properties, and
dielectric response of 1% Cr3+/Ta5+ co-doped TiO2 (CrTTO) ceramics prepared using a …

Controllable low-temperature flash sintering and giant dielectric performance of (Zn, Ta) co-doped TiO2 ceramics

Z Yang, P Wang, Z Wang, J Liu, L Zhang, S Zhong… - Ceramics …, 2022 - Elsevier
In this study, the challenge of high-temperature and long-time sintering of (Zn, Ta) co-doped
TiO 2 ceramics is solved successfully using flash sintering technology. Joule heating and a …

Experimental study and DFT calculations of improved giant dielectric properties of Ni2+/Ta5+ co-doped TiO2 by engineering defects and internal interfaces

N Thongyong, N Chanlek, P Srepusharawoot… - Journal of the European …, 2022 - Elsevier
High-performance ceramics with chemical formula (Ni 1/3 Ta 2/3) x Ti 1− x O 2 with excellent
dielectric properties are demonstrated. The dopants of Ni 2+ and Ta 5+ in TiO 2 caused the …

Effect of ionic radius on colossal permittivity properties of (A, Ta) co-doped TiO2 (A= alkaline-earth ions) ceramics

J Liu, L Wang, X Yin, Q Yu, D Xu - Ceramics International, 2020 - Elsevier
Abstract (A, B) co-doped TiO 2 ceramics attract great interests due to the excellent dielectric
properties. In this work, the (A, Ta) co-doped TiO 2 ceramics were prepared by a solid state …

[HTML][HTML] Thermal stable and ultralow dielectric loss in (Gd0. 5Ta0. 5) xTi1-xO2 giant permittivity ceramics by defect engineering

J Fan, G He, Z Cao, Y Cao, Z Long, Z Hu - Journal of Materiomics, 2023 - Elsevier
High dielectric loss and poor temperature stability are the current barriers to the application
of dielectric materials. In present work, we synthesized a system of acceptor Gd 3+ and …