A General Strategy to Achieve Colossal Permittivity and Low Dielectric Loss Through Constructing Insulator/Semiconductor/Insulator Multilayer Structures
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-018-1985-1
Abstract: In this work, we propose a route to realize high-performance colossal permittivity (CP) by creating multilayer structures of insulator/semiconductor/insulator. To prove the new concept, we made heavily reduced rutile TiO2 via annealing route in Ar/H2… read more here.
Keywords: permittivity; semiconductor; dielectric loss; insulator ... See more keywords
An effective optimization strategy and analysis for BaTiO3–Na0.5Bi0.5TiO3 system with colossal permittivity
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2017.03.020
Abstract: Abstract Colossal permittivity (CP, e＞10 4 ) behavior in BaTiO 3 –Na 0.5 Bi 0.5 TiO 3 (BT-NBT) ceramics has been studied, which showed extremely high permittivity up to ~10 5 . Dielectric properties of… read more here.
Keywords: permittivity; optimization strategy; analysis batio3; colossal permittivity ... See more keywords
Disappearance and recovery of colossal permittivity in (Nb+Mn) co-doped TiO2
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.04.028
Abstract: Abstract We investigate the effects of doping and annealing on the dielectric properties of metal ions doped TiO 2 ceramics. Colossal permittivity (CP) above 10 4 was observed in single Nb ion doped TiO 2… read more here.
Keywords: doped tio; disappearance recovery; permittivity; colossal permittivity ... See more keywords
Colossal permittivity of (Li, Nb) co-doped TiO2 ceramics
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.03.080
Abstract: The authors would like to acknowledge the support by National Natural Science Foundation of China (51572279), NSFC-Guangdong Joint Fund (No. U1501246), 973 Program (2015CB654604, 2015CB654605). read more here.
Keywords: tio2 ceramics; doped tio2; colossal permittivity; permittivity doped ... See more keywords
Colossal permittivity and dielectric relaxations in (La0.5Nb0.5) Ti1-O2 ceramics
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.07.248
Abstract: Abstract A series of La+Nb co-doped TiO 2 (La 0.5 Nb 0.5 ) x Ti 1- x O 2 (0.25% ≤ x ≤ 5%) ceramics were prepared using a solid-state reaction method. Colossal permittivity (CP) (eʹ > 10 4… read more here.
Keywords: dielectric relaxations; relaxations la0; colossal permittivity; permittivity dielectric ... See more keywords
A new perovskite-related ceramic with colossal permittivity and low dielectric loss
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2020.04.030
Abstract: Abstract We designed a new type of perovskite-related dielectric energy storage material Na1/3Cd1/3Bi1/3Cu3Ti4O12 with colossal permittivity via an ordinary solid-state method. Remarkably, the Na1/3Cd1/3Bi1/3Cu3Ti4O12 ceramic sintered at 1030 °C displays a decent dielectric performance of colossal… read more here.
Keywords: na1 3cd1; 3cd1 3bi1; colossal permittivity; perovskite related ... See more keywords
Response to comment on “point defect structure of La-doped SrTiO3 ceramics with colossal permittivity”
Sign Up to like & getrecommendations! Published in 2021 at "Scripta Materialia"
DOI: 10.1016/j.scriptamat.2020.08.037
Abstract: Abstract Materials with colossal permittivity (CP) have attracted wide interest and have tremendous potential application in super-capacitors [1] . Many materials with the colossal permittivity have been fabricated, such as Cu3Ti4O12 [2] , [3] ,… read more here.
Keywords: srtio3 ceramics; doped srtio3; colossal permittivity; point ... See more keywords
Simultaneously Achieving Colossal Permittivity, Ultralow Dielectric Loss Tangent, and High Insulation Resistivity in Er-Doped SrTiO3 Ceramics via Oxygen Vacancy Regulation.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c12449
Abstract: High-performance Sr1-xErxTiO3 (x = 0-0.014) ceramics were sintered in different atmospheres using the conventional solid-state reaction method. The phase structure and micromorphology of ceramics were analyzed using X-ray diffraction and scanning electron microscopy. Meanwhile, the… read more here.
Keywords: colossal permittivity; grain boundary; oxygen; insulation resistivity ... See more keywords
Effects of Secondary Phases on the High-Performance Colossal Permittivity in Titanium Dioxide Ceramics.
Sign Up to like & getrecommendations! Published in 2018 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.7b18356
Abstract: The intensive demands of microelectronics and energy-storage applications are driving the increasing investigations on the colossal permittivity (CP) materials. In this study, we designed a new system of Dy and Nb co-doped TiO2 ceramics [(Dy0.5Nb0.5)xTi1-xO2]… read more here.
Keywords: effects secondary; dielectric loss; secondary phases; colossal permittivity ... See more keywords
The effect of segregation structure on the colossal permittivity properties of (La0.5Nb0.5)xTi1−xO2 ceramics
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Chemistry C"
DOI: 10.1039/c7tc05277d
Abstract: The newly discovered colossal permittivity (CP) TiO2 ceramics continue to arouse considerable interest owing to their applications in the field of high-performance capacitors. Here this work broadens the CP TiO2 systems to report the (La0.5Nb0.5)xTi1−xO2… read more here.
Keywords: colossal permittivity; segregation structure; la0 5nb0; segregation ... See more keywords
Enhanced dielectric properties of colossal permittivity co-doped TiO2/polymer composite films
Sign Up to like & getrecommendations! Published in 2018 at "RSC Advances"
DOI: 10.1039/c8ra07401a
Abstract: Colossal permittivity (CP) materials have shown great technological potential for advanced microelectronics and high-energy-density storage applications. However, developing high performance CP materials has been met with limited success because of low breakdown electric field and… read more here.
Keywords: dielectric properties; doped tio2; enhanced dielectric; colossal permittivity ... See more keywords