Improved giant dielectric properties in microwave flash combustion derived and microwave sintered CaCu3Ti4O12 ceramics
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Electroceramics"
DOI: 10.1007/s10832-018-0145-y
Abstract: The nanocrystals of CaCu3Ti4O12 ceramic were prepared by microwave flash combustion technique. The microwave sintering of powders was optimized to 1025 − 1075 °C for 20 min with heating and cooling rate of 50 °C/min. Microstructural evaluation of… read more here.
Keywords: flash combustion; dielectric properties; giant dielectric; improved giant ... See more keywords
Giant dielectric response, electrical properties and nonlinear current-voltage characteristic of Al2O3-CaCu3Ti4O12 nanocomposites
Sign Up to like & getrecommendations! Published in 2019 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.01.136
Abstract: Abstract In this work, xAl2O3-(1 − x)CaCu3Ti4O12, where x = 0, 2, and 10 vol%, nanocomposites were prepared by a conventional mixed oxide method using Al2O3 nanopowders with particle sizes of ≈20–40 nm. The giant dielectric properties, electrical responses and nonlinear… read more here.
Keywords: electrical properties; cacu3ti4o12; cacu3ti4o12 nanocomposites; al2o3 cacu3ti4o12 ... See more keywords
Significantly improved non-Ohmic and giant dielectric properties of CaCu3-xZnxTi4O12 ceramics by enhancing grain boundary response
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2016.11.089
Abstract: Abstract The high permittivity of CaCu 3 Ti 4 O 12 ceramics has attracted considerable attention in recent years due to their potential applications in electronic devices. However, their dielectric loss tangents are still too… read more here.
Keywords: grain boundary; cacu ceramics; response; non ohmic ... See more keywords
High-performance giant-dielectric properties of rutile TiO2 co-doped with acceptor-Sc3+ and donor-Nb5+ ions
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.01.333
Abstract: 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 a low temperature coefficient (Δɛ′(T)/ɛ′RT) have been very difficult… read more here.
Keywords: giant dielectric; dielectric properties; performance giant; high performance ... See more keywords
Effects of sintering temperature on microstructure and giant dielectric properties of (V + Ta) co–doped TiO2 ceramics
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.07.143
Abstract: Abstract The influences of sintering temperature on the microstructure and giant dielectric properties of a new co-doped TiO 2 system, i.e. , V and Ta co-doped TiO 2 , were investigated. The grain size of… read more here.
Keywords: temperature; sintering temperature; giant dielectric; spectroscopy ... See more keywords
Influence of activation energy on charge conduction mechanism and giant dielectric relaxation of sol-gel derived C3H7NH3PbBr3 perovskite; Act as high performing UV photodetector
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2021.162216
Abstract: Abstract This work contains an extensive study on temperature dependent complex dielectric behavior over 4 Hz ≤ f ≤ 8 MHz of a promising hybrid perovskite, propylammonium lead bromide. The structural, as well as morphological property of this sol-gel derived sample… read more here.
Keywords: temperature; energy; charge; giant dielectric ... See more keywords
(Al3+, Nb5+) co–doped CaCu3Ti4O12: An extended approach for acceptor–donor heteroatomic substitutions to achieve high–performance giant–dielectric permittivity
Sign Up to like & getrecommendations! Published in 2018 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2017.08.040
Abstract: Abstract Substitution of (Al 3+ , Nb 5+ ) co–dopants into TiO 6 octahedral sites of CaCu 3 Ti 4 O 12 ceramics, which were prepared by a solid state reaction method and sintered at… read more here.
Keywords: cacu3ti4o12 extended; doped cacu3ti4o12; giant dielectric; al3 nb5 ... See more keywords
Giant dielectric properties of Ga3+–Nb5+Co-doped TiO2 ceramics driven by the internal barrier layer capacitor effect
Sign Up to like & getrecommendations! Published in 2021 at "Materialia"
DOI: 10.1016/j.mtla.2021.101175
Abstract: Abstract The high-performance giant dielectric properties (HP-GDPs) of materials have been continuously investigated due to their significant potential for many applications such as ceramic capacitors and energy storage devices. Unfortunately, it has been difficult to… read more here.
Keywords: ga3 nb5; barrier; dielectric properties; giant dielectric ... See more keywords
Giant dielectric response in (Nb + Zn) co-doped strontium titanate ceramics tailored by atmosphere
Sign Up to like & getrecommendations! Published in 2019 at "Scripta Materialia"
DOI: 10.1016/j.scriptamat.2019.05.034
Abstract: Abstract Effects of sintering and annealing atmosphere on the defect structures and the dielectric behaviors of (Nb + Zn) co-doped SrTiO3 ceramics are systematically investigated. Giant permittivity (~50,100), low dielectric loss (~0.04) and wide temperature (25–330 °C)/frequency (20–105 Hz)… read more here.
Keywords: doped strontium; response doped; titanate ceramics; strontium titanate ... See more keywords
Reply to comments on ``Giant dielectric response in (Nb + Zn) co-doped strontium titanate ceramics tailored by atmosphere''
Sign Up to like & getrecommendations! Published in 2020 at "Scripta Materialia"
DOI: 10.1016/j.scriptamat.2020.04.002
Abstract: Abstract This letter replies to the comments by Tkach et al. on our previous publication about the issues of ZnO volatilization, Ti3+ content and lattice constant etc. In this reply, we present a detailed discussion… read more here.
Keywords: reply comments; comments giant; dielectric response; giant dielectric ... See more keywords
High-Performance Giant Dielectric Properties of Cr3+/Ta5+ Co-Doped TiO2 Ceramics
Sign Up to like & getrecommendations! Published in 2021 at "ACS Omega"
DOI: 10.1021/acsomega.0c04666
Abstract: 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 solid-state reaction method were studied. The mean grain size increased with an increasing… read more here.
Keywords: tio2 ceramics; ta5 doped; doped tio2; giant dielectric ... See more keywords