Results 31 to 40 of about 62,857 (189)

Ultra–low loss tangent and giant dielectric permittivity with excellent temperature stability of TiO2 co-doped with isovalent-Zr4+/pentavalent-Ta5+ ions

Journal of Materiomics, 2022
The excellent giant dielectric properties (ExGDPs) are represented in the isovalent–Zr4+/pentavalent–Ta5+ ions co–doped TiO2 with different co–doping percentages (x%ZrTTO).
Yasumin Mingmuang, Narong Chanlek, Prasit Thongbai   +2 more
doaj   +1 more source

Microstructure, low loss tangent, and excellent temperature stability of Tb+Sb-doped TiO2 with high dielectric permittivity

Results in Physics, 2022
The study of colossal permittivity (CP) materials possessing very high dielectric constants (ε′ > 104) has gained traction due to their suitability for application in microelectronic devices, which are evolving rapidly.
Noppakorn Thanamoon, Narong Chanlek, Pairot Moontragoon, Pornjuk Srepusharawoot, Prasit Thongbai   +4 more
doaj   +1 more source

Intrinsic Enhancement of Dielectric Permittivity in (Nb + In) co-doped TiO2 single crystals

Scientific Reports, 2017
The development of dielectric materials with colossal permittivity is important for the miniaturization of electronic devices and fabrication of high-density energy-storage devices.
Masaru Kawarasaki, Kenji Tanabe, Ichiro Terasaki, Yasuhiro Fujii, Hiroki Taniguchi   +4 more
doaj   +1 more source

Colossal Permittivity in Ultrafine Grain Size BaTiO3–x and Ba0.95La0.05TiO3–x Materials [PDF]

, 2008
Development of microelectronic devices is driven by a large demand for faster and smaller systems. In the near future, colossal permittivity in nanomaterials will play a key role in the advances of electronic devices. We report on “colossal” permittivity
Durand, Bernard, Tenailleau, Christophe, Lebey, Thierry, Guillemet, Sophie, Valdez Nava, Zarel, Chane-Ching, Jean-Yves, Guillemet-Fritsch, Sophie   +6 more
core   +1 more source

Nd substitution effects on charge transport, colossal permittivity, and X6P thermal stability of Sm2−xNdxCuO4 ceramics [PDF]

RSC Advances
Temperature-stable colossal permittivity ceramics are critical for high-density energy storage and power electronics operating under demanding environments.
Missaoui Malek, Chouk Wael, Zouaoui Mouldi   +2 more
doaj   +1 more source

Effect of sintering conditions on colossal dielectric properties of (Tb1/2Nb1/2)0.01Ti0.99O2 ceramics

Materials Research Express, 2023
In this study, we investigated various sintering temperatures (1200 °C−1450 °C) and durations (2–6 h) conditions for preparing (Tb _1/2 Nb _1/2 ) _0.01 Ti _0.99 O _2 (TNTO) ceramics.
Noppakorn Thanamoon, Prasit Thongbai
doaj   +1 more source

Effects of Sn4+ and Ta5+ dopant concentration on dielectric and electrical properties of TiO2: Internal barrier layer capacitor effect

Results in Physics, 2022
The (Sn1/2Ta1/2)xTi1-xO2.0125 (SnT–TO) ceramics with x = 1.0–5.0 % were prepared by a standard mixed–oxide method. The sintered ceramics showed highly dense microstructures with a single phase of rutile–TiO2 structure.
Yasumin Mingmuang, Narong Chanlek, Pairot Moontragoon, Pornjuk Srepusharawoot, Prasit Thongbai   +4 more
doaj   +1 more source

Microstructure and electric response of Li,Sn co-doped NiO ceramics [PDF]

Processing and Application of Ceramics, 2019
Phase composition, microstructure and electric response of Li0.05SnxNi0.95 – xO (x = 0, 0.025, 0.05, 0.1) ceramics were systematically investigated.
Jiecheng Zeng, Tusheng He, Yang Liu
doaj   +1 more source

Colossal permittivity in percolative ceramic/metal dielectric composites

Journal of Alloys and Compounds, 2016
Abstract Dielectric capacitor, as an essential building block, is ubiquitously used in many electronic and energy storage devices. With the development of modern electronics, dielectric materials with large capacitance, low dielectric loss and high reliability are highly desired, and research progress on various materials has been triggered for ...
Du, H, Lin, X, Zheng, H, Qu, B, Huang, Y, Chu, D   +5 more
openaire   +2 more sources

Colossal dielectric response and complex impedance analysis of LaFeO3 ceramics

Journal of Advanced Dielectrics, 2022
The present investigations mainly focused on the colossal dielectric response and complex impedance analysis of LaFeO3 ceramics. The studied sample was prepared by a citrate gel method.
Sushrisangita Sahoo, K. P. Andryushin, P. K. Mahapatra, R. N. P. Choudhary   +3 more
doaj   +1 more source