Ti 3+ self-doped dark TiO 2 nanoparticles with tunable and unique dielectric properties for electromagnetic applications

Y Qing, Y Li, W Li, H Yao - Journal of Materials Chemistry C, 2021 - pubs.rsc.org
Robust, conductive and stable Ti3+ self-doped dark TiO2 nanoparticles (Ti4O7) called
Magnéli phases are attractive in electromagnetic (EM) applications due to their tunable …

Comparative studies of pure, Sr-doped, Ni-doped and co-doped CaCu3Ti4O12 ceramics: enhancement of dielectric properties

S Rhouma, S Saîd, C Autret, S De Almeida-Didry… - Journal of Alloys and …, 2017 - Elsevier
Abstract The CaCu 3 Ti 4 O 12 ceramic, CCTO, remains as the best material due to its high
dielectric constant. In this context, Sr-doped CCTO, Ni-doped CCTO and Sr, Ni co-doped …

Tuning the dielectric and optical properties of PrCo–substituted calcium copper titanate for electronics applications

J Mohammed, HY Hafeez, BI Adamu, YS Wudil… - Journal of Physics and …, 2019 - Elsevier
Prsingle bondCo–substituted calcium copper titanate (CCTO) ceramic with chemical
composition Ca 1-x Pr x Cu 3-y Co y Ti 4 O 12 (x= 0.0, 0.1, 0.2, 0.3 and y= 0.0, 0.4, 0.5, 0.6) …

Effect of NiO-doping on the microstructure and the dielectric properties of CaCu3Ti4O12 ceramics

T Li, J Chen, D Liu, Z Zhang, Z Chen, Z Li, X Cao… - Ceramics …, 2014 - Elsevier
The influence of NiO-doping on the microstructure and dielectric properties of CaCu 3 Ti 4 O
12–xNiO (x= 0, 0.003, 0.006, 0.010, 0.015, and 0.020) ceramics has been investigated using …

Local analysis of the grain and grain boundary contributions to the bulk dielectric properties of Ca (Cu3− yMgy) Ti4O12 ceramics: Importance of the potential barrier at …

A Nautiyal, C Autret, C Honstettre… - Journal of the European …, 2016 - Elsevier
The present work focuses on two aspects related to the synthesis and the dielectric
properties of CaCu 3 Ti 4 O 12 (CCTO) ceramics. Effective strategies able to synthesize high …

Conduction mechanisms study in CaCu2. 8Ni0. 2Ti4O12 ceramics sintered at different temperatures

F Gaâbel, M Khlifi, N Hamdaoui, K Taibi… - Journal of Alloys and …, 2020 - Elsevier
Abstract CaCu 2.8 Ni 0.2 Ti 4 O 12 ceramics were prepared via the solid-state reaction. The
pellets were sintering at 950° C, 1000° C, 1050° C and 1100° C for 24h. The X-ray diffraction …

Dielectric properties of nanocrystalline CaCu3Ti4O12 (CCTO) ceramics fabricated from Algerian limestone raw material

R Djafar, K Boumchedda, D Fasquelle… - Materials Chemistry and …, 2023 - Elsevier
Algerian natural limestone was used to fabricate the perovskite CaCu 3 Ti 4 O 12 phase
(CCTO) to replace commercial calcium carbonate (CaCO 3) powder by a solid-state method …

Effect of nickel substitution on electrical and microstructural properties of CaCu3Ti4O12 ceramic

S Senda, S Rhouma, E Torkani, A Megriche… - Journal of Alloys and …, 2017 - Elsevier
In this paper we study CaCu 3 Ti 4 O 12 doped with Ni on copper site. We focus particularly
on the effect of the substitution amount and the sintering parameters on the grain growth …

The effect of cobalt-doping on microstructure and dielectric properties of CaCu3Ti4O12 ceramics

Z Kafi, A Kompany, H Arabi, AK Zak - Journal of Alloys and Compounds, 2017 - Elsevier
Abstract Ceramics of CaCu 3-x Co x Ti 4 O 12 (CCCTO, x= 0, 0.2, 0.4 and 0.6), with cubic
lattice structure, were fabricated using a semi-wet method. The dielectric properties of the …

Reduction of the sintering temperature and dielectric loss of the CCTO ceramic by doping tellurite glass

J Tang, Y Teng, Y Chen, X Zhao, S Wang, W Wang… - Ceramics …, 2021 - Elsevier
Abstract CaCu 3 Ti 4 O 12 (CCTO) ceramics can be modified by a multi-component glass
system, which shows an influence on the improvement of the sintering process and dielectric …