Colossal permittivity materials as superior dielectrics for diverse applications

Y Wang, W Jie, C Yang, X Wei… - Advanced Functional …, 2019‏ - Wiley Online Library
Ever since the beginning of this century, many kinds of materials have been reported to
demonstrate colossal permittivity (CP) or a colossal dielectric constant exceeding 103 …

Influence of sintering conditions and CuO loss on dielectric properties of CaCu3Ti4O12 ceramics

J Zhao, H Zhao, Z Zhu - Materials Research Bulletin, 2019‏ - Elsevier
Phase structures, morphology and dielectric properties of prepared CaCu 3 Ti 4 O 12
ceramics were investigated to better understand the origin of giant dielectric constant in …

Very high performance dielectric and non-Ohmics properties of CaCu3Ti4. 2O12 ceramics for X8R capacitors

K Prompa, E Swatsitang, C Saiyasombat… - Ceramics International, 2018‏ - Elsevier
Abstract CaCu 3 Ti 4 O 12 (CCTO) and CaCu 3 Ti 4.2 O 12 (TiO2) precursor powders were
prepared by the polymer pyrolysis solution method. Effect of sintering time/temperature on …

Enhancement of breakdown electric field and dielectric properties of CaCu3Ti4O12 ceramics by Sr do**

L Lin, Y Liu, J Zhang, Z Li, Z Lei, Y Li, M Tian - Materials Chemistry and …, 2020‏ - Elsevier
In order to enhance the breakdown electric field (E b) and dielectric properties of CaCu 3 Ti
4 O 12 ceramics, Ca 1-x Sr x Cu 3 Ti 4 O 12 ceramics with different Sr do** concentration …

Dielectric and non-ohmic properties of Ca2Cu2Ti4-xSnxO12 (0.0≤ x≤ 4.0) multiphasic ceramic composites

JA Cortés, G Cotrim, S Orrego, AZ Simões… - Journal of Alloys and …, 2018‏ - Elsevier
Abstract Multiphasic Sn 4+ substituted Ca 2 Cu 2 Ti 4-x Sn x O 12 (0.0≤ x≤ 4.0) ceramic
composites were prepared by solid-state reaction. Their crystalline structure, microstructure …

Improvement of the Nonlinear and Dielectric Properties of CaCu3Ti4O12 Ceramics by Nickel Do**

S Rhouma, A Megriche, E Souidi, S Saîd… - Journal of Inorganic and …, 2024‏ - Springer
Abstract CaCu3Ti4O12 (CCTO) ceramics have been widely demonstrated due to their high
dielectric constant and are considered potential materials for capacitor applications …

Synthesis of the hollandite-like copper doped potassium titanate high-k ceramics

N Gorshkov, M Vikulova, M Gorbunov, D Mikhailova… - Ceramics …, 2021‏ - Elsevier
The hollandite-like copper doped potassium titanate was synthesized by two-step method,
including the potassium polytitanate precursor modification with copper compounds in …

Temperature stability of the dielectric properties of Zr4+-doped CaCu3Ti4. 2O12 ceramics for X9R capacitor applications

E Swatsitang, K Prompa, T Putjuso - Journal of Alloys and Compounds, 2019‏ - Elsevier
In the present work, a giant dielectric constant (ε′)∼ 11672 was developed in a CaCu 3 Ti
4.15 Zr 0.05 O 12 ceramic with a very low loss tangent (tanδ)∼ 0.011 at 30° C and 1 kHz …

Very high-performance dielectric and non-ohmic properties of novel X8R type Ca1-1.5 xHoxCu3Ti4O12/TiO2 ceramics

C Sripakdee, K Prompa, E Swatsitang… - Journal of Alloys and …, 2019‏ - Elsevier
Very low tan δ (∼ 0.018) with stability in the frequency range of 10 2–10 4 Hz, a giant-ε′
of∼ 7912, temperature coefficients of the dielectric constant (Δε′) of less than±15% over …

Very high temperature stability and excellent dielectric properties of a novel X9R-type Ca1-xSrxCu3Ti4O12/TiO2 nanocomposite synthesized by a polymer pyrolysis …

E Swatsitang, K Prompa, T Putjuso - Applied Surface Science, 2019‏ - Elsevier
A polymer pyrolysis solution method was employed for the synthesis of Ca 1-x Sr x Cu 3 Ti 4
O 12/TiO 2 ceramics. At 30° C and 1 kHz, a high dielectric constant (ε')~ 4193–10,110 and …