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 …

Simultaneously Achieving Colossal Permittivity, Ultralow Dielectric Loss Tangent, and High Insulation Resistivity in Er-Doped SrTiO3 Ceramics via Oxygen Vacancy …

X Zhang, Y Pu, L Zhang, J Zhang, Y Ning… - … Applied Materials & …, 2022 - ACS Publications
High-performance Sr1–x Er x TiO3 (x= 0–0.014) ceramics were sintered in different
atmospheres using the conventional solid-state reaction method. The phase structure and …

High Insulation Resistivity and Ultralow Dielectric Loss in La-Doped SrTiO3 Colossal Permittivity Ceramics through Defect Chemistry Optimization

X Guo, Y Pu, W Wang, L Zhang, J Ji, R Shi… - ACS Sustainable …, 2019 - ACS Publications
High performance La x Sr1–x TiO3 (0.000≤ x≤ 0.018) ceramics were prepared by a
traditional solid-state method and sintered in nitrogen atmosphere. The phase structure and …

Suppressing resistance degradation in SrTiO3-based colossal permittivity capacitor material

H Xie, Y Pu, Y Shang, L Zhang, B Wang, Y Hao - Ceramics International, 2023 - Elsevier
At present, research on colossal permittivity materials is extensive but challenging to
achieve simultaneous properties of colossal permittivity, low loss, and high resistivity …

Point defect structure of La-doped SrTiO3 ceramics with colossal permittivity

M Qin, F Gao, J Cizek, S Yang, X Fan, L Zhao, J Xu… - Acta Materialia, 2019 - Elsevier
Abstract Sr 1-x La x TiO 3 (SLTO) ceramics with colossal permittivity were fabricated by
conventional solid-state reaction method. The point defects of pure STO and SLTO ceramics …

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 …

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 …

Thermoelectric performance of Nb-doped SrTiO3 enhanced by reduced graphene oxide and Sr deficiency cooperation

O Okhay, S Zlotnik, W Xie, K Orlinski, MJH Gallo… - Carbon, 2019 - Elsevier
Oxide materials are of current interest as high-temperature thermoelectrics in the automotive
and manufacturing energy-harvesting sectors due to high chemical robustness, low toxicity …

Defect engineering toward the structures and dielectric behaviors of (Nb, Zn) co-doped SrTiO3 ceramics

W Pan, M Cao, H Hao, Z Yao, Z Yu, H Liu - Journal of the European …, 2020 - Elsevier
Defect engineering is applied to induce controllable changes in structures and dielectric
behaviors in oxides. SrTiO 3 ceramics modified by complex ions (Nb, Zn) x+ (x= 2, 3, 4 and …

Ultralow dielectric loss in Y‐doped SrTiO3 colossal permittivity ceramics via designing defect chemistry

B Wang, Y Pu, Y Shi, X Guo, L Zhang… - Journal of the …, 2020 - Wiley Online Library
Abstract Effects of doping of Y and sintering atmosphere on the dielectric properties of Sr1‐
1.5 xYxTiO3 ceramics (SYT, x= 0‐0.014) were systematically investigated. The SYT14 (x …