Degradation of organic dyes by utilizing CaCu3Ti4O12 (CCTO) nanoparticles via tribocatalysis process

A Gaur, AK Moharana, C Porwal, VS Chauhan… - Journal of Industrial and …, 2024 - Elsevier
Tribocatalysis is an emerging catalysis process which leverages the triboelectric effect,
wherein the interaction between two dissimilar materials through friction yields charges …

High permittivity and low dielectric loss of the (Ca0. 9Sr0. 1) 1-xLa2x/3Cu3Ti4O12 ceramics

I Jalafi, A Bendahhou, K Chourti, F Chaou… - Ceramics …, 2023 - Elsevier
In this work, we have systematically studied the effects of La 3+/Sr 2+ dopants on the crystal
structure, microstructure, dielectric response and electrical properties of (Ca 0.9 Sr 0.1) 1-x …

Grain size effect on the dielectric and non-ohmic properties of CaCu3Ti4O12 ceramics prepared by the sol-gel process

P Mao, J Wang, S Liu, L Zhang, Y Zhao, L He - Journal of Alloys and …, 2019 - Elsevier
Grain size control is very important for enhancing the electric properties of CaCu 3 Ti 4 O 12
(CCTO) ceramics. The effect of grain sizes on the dielectric and non-ohmic properties of the …

High-performance giant-dielectric properties of rutile TiO2 co-doped with acceptor-Sc3+ and donor-Nb5+ ions

W Tuichai, S Danwittayakul, N Chanlek… - Journal of Alloys and …, 2017 - Elsevier
Giant dielectric properties of materials have widely been reported in recent years. However,
a simultaneously low dielectric loss tangent (tanδ) and high dielectric permittivity (ɛ′) with …

Enhancement of Giant Dielectric Response in CaCu3Ti4O12 Ceramics by Zn Substitution

L Ni, XM Chen - Journal of the American Ceramic Society, 2010 - Wiley Online Library
Zn‐substituted CaCu3Ti4O12 ceramics were synthesized by solid‐state sintering. Their
microstructures and dielectric properties were investigated. Ca (Cu1− xZnx) 3Ti4O12 single …

Niobium and divalent‐modified titanium dioxide ceramics: colossal permittivity and composition design

Z Li, X Luo, W Wu, J Wu - Journal of the American Ceramic …, 2017 - Wiley Online Library
Colossal permittivity (CP)(εr= 104~ 105) is attained in (A1/3Nb2/3) xT i1‐xO 2 (A= Ba2+,
Ca2+, Zn2+, Mg2+) ceramics. Here,(Ca1/3Nb2/3) xT i1‐xO 2 material was studied as a …

Porous calcium copper titanate electrodes for paracetamol degradation by electro-oxidation via CuO-induced peroxymonosulfate activation

E Makhoul, F Tanos, MF Bekheet, W Riedel… - Environmental …, 2023 - pubs.rsc.org
Some drugs cannot be efficiently eliminated using routine wastewater treatments and
therefore are considered persistent organic pollutants (POPs). POPs can be removed using …

Origin of high dielectric performance in fine grain-sized CaCu3Ti4O12 materials

H Lin, W Xu, H Zhang, C Chen, Y Zhou, Z Yi - Journal of the European …, 2020 - Elsevier
We report on high dielectric constant (8.3× 10 3, 10 4 Hz), low dielectric loss (0.029, 10 4 Hz)
as well as fine grain size (∼ 840 nm) achieved in pure CaCu 3 Ti 4 O 12 (CCTO) ceramics …

Dielectric properties of CaCu3Ti4O12 ceramics doped with aluminium and fluorine

OZ Yanchevskii, OI V'yunov, AG Belous… - Journal of Alloys and …, 2021 - Elsevier
The ceramics СaСu 3 Тi 4–x Al x О 12–0.5 x–y F y were prepared using solid-state reactions
technique and pre-synthesized CaTiO 3. It was found that the resistances of both the grain …

Effect of oxygen sintering atmosphere on the electrical behavior of CCTO ceramics

R Yu, H Xue, Z Cao, L Chen, Z Xiong - Journal of the European Ceramic …, 2012 - Elsevier
The CaCu3Ti4O12 ceramics were sintered in air and pure O2 atmosphere, respectively, and
the effect of pure O2 atmosphere on the electrical behavior of the CaCu3Ti4O12 ceramics …