Colossal permittivity of Sb and Ga co-doped rutile TiO2 ceramics

J Fan, S Leng, Z Cao, W He, Y Gao, J Liu, G Li - Ceramics International, 2019 - Elsevier
Material with colossal permittivity (CP) is important for the miniaturization of electronic
devices and fabrication of high-density energy storage devices. However, the unbalanced …

Very low dielectric loss and giant dielectric response with excellent temperature stability of Ga3+ and Ta5+ co-doped rutile-TiO2 ceramics

W Tuichai, N Thongyong, S Danwittayakul, N Chanlek… - Materials & Design, 2017 - Elsevier
A newly discovered donor/acceptor co-doped rutile-TiO 2 with an extremely high permittivity
(ε′) and low loss tangent (tanδ) has stimulated much research in capacitors and high …

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 …

Surface barrier layer effect in (In + Nb) co‐doped TiO2 ceramics: An alternative route to design low dielectric loss

T Nachaithong, P Kidkhunthod… - Journal of the …, 2017 - Wiley Online Library
Giant dielectric permittivity (ε′) with low loss tangent (tanδ) was reported in (In+ Nb) co‐
doped TiO2 ceramics. Either of electron‐pinned defect‐dipole or internal barrier layer …

Preparation, characterization, and giant dielectric permittivity of (Y3+ and Nb5+) co–doped TiO2 ceramics

T Nachaithong, W Tuichai, P Kidkhunthod… - Journal of the European …, 2017 - Elsevier
The microstructure and giant dielectric properties of Y 3+ and Nb 5+ co–doped TiO 2
ceramics prepared via a chemical combustion method are investigated. A main rutile–TiO 2 …

Good dielectric performance and broadband dielectric polarization in Ag, Nb co‐doped TiO2

P Liang, J Zhu, D Wu, H Peng, X Chao… - Journal of the …, 2021 - Wiley Online Library
Due to the demand of miniaturization and integration for ceramic capacitors in electronic
components market, TiO2‐based ceramics with colossal permittivity has become a research …

Effects of sintering temperature on microstructure and giant dielectric properties of (V+ Ta) co–doped TiO2 ceramics

W Tuichai, S Danwittayakul, N Chanlek… - Journal of Alloys and …, 2017 - Elsevier
The influences of sintering temperature on the microstructure and giant dielectric properties
of a new co-doped TiO 2 system, ie, V and Ta co-doped TiO 2, were investigated. The grain …

Giant dielectric permittivity and electronic structure in (A3+, Nb5+) co-doped TiO2 (A= Al, Ga and In)

W Tuichai, S Danwittayakul, P Srepusharawoot… - Ceramics …, 2017 - Elsevier
The dielectric properties of (A 3+, Nb 5+) co-doped TiO 2 (A= Al, Ga and In) ceramics
prepared by a solid state reaction method were studied. Sintered (A 3+, Nb 5+) co-doped …

Nonlinear current-voltage and giant dielectric properties of Al3+ and Ta5+ co-doped TiO2 ceramics

W Tuichai, S Danwittayakul, N Chanlek… - Materials Research …, 2019 - Elsevier
The nonlinear current-voltage and dielectric properties of (Al 3++ Ta 5+) co-doped TiO 2
(ATTO) ceramics are represented. Microstructural analysis reveals that sintered ceramics …

Giant dielectric properties of Ga3+–Nb5+ Co-doped TiO2 ceramics driven by the internal barrier layer capacitor effect

W Tuichai, S Danwittayakul, J Manyam, N Chanlek… - Materialia, 2021 - Elsevier
The high-performance giant dielectric properties (HP-GDPs) of materials have been
continuously investigated due to their significant potential for many applications such as …