colossal dielectric constant
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Topochemical Synthesis of Perovskite-type CuNb2O6 with Colossal Dielectric Constant

2021 ◽  
Author(s):  
Masayuki Fukuda ◽  
Ikuya Yamada ◽  
Hajime Hojo ◽  
Chihiro Takahashi ◽  
Yuya Yoshida ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
High Pressure ◽  
Structural Transformation ◽  
High Pressure Synthesis ◽  
Synthesis Techniques ◽  
Post Annealing ◽  
Pressure Synthesis ◽  
Colossal Dielectric Constant ◽  
A Site ◽  
Perovskite Type

A novel A-site deficient quadruple perovskite (Pv) oxide, CuNb2O6, has been successfully obtained by a combination of high-pressure synthesis techniques and topochemical structural transformation. Post-annealing of a high-pressure-synthesized Pv-CuNbO3 above...

Broadband Colossal Dielectric Constant in the Superionic Halide RbAg4I5: Role of Intercluster Ag+ Diffusion

2020 ◽  
Vol 124 (18) ◽  
pp. 9802-9809
Author(s):  
Paribesh Acharyya ◽  
Tanmoy Ghosh ◽  
Shidaling Matteppanavar ◽  
Raju K. Biswas ◽  
Premakumar Yanda ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Colossal Dielectric Constant

Colossal dielectric constant and ferroelectric investigation of BaTiO3 nano-ceramics

2020 ◽  
Vol 31 (7) ◽  
pp. 5402-5415
Author(s):  
Nudrat Humera ◽  
Saira Riaz ◽  
Naveed Ahmad ◽  
Faiza Arshad ◽  
Ramna Zafar ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Colossal Dielectric Constant

scholarly journals Colossal dielectric constant in K2Ti2O5

2020 ◽  
Vol 258 ◽  
pp. 126784 ◽  
Author(s):  
Rashmi Rani ◽  
Sofia De Sousa Coutinho ◽  
Stephane Holé ◽  
Brigitte Leridon
Keyword(s):  
Dielectric Constant ◽  
Colossal Dielectric Constant

Electron-pinned defect dipoles in (Li, Al) co-doped ZnO ceramics with colossal dielectric permittivity

2020 ◽  
Vol 8 (9) ◽  
pp. 4764-4774 ◽  
Author(s):  
Dong Huang ◽  
Wen-Long Li ◽  
Zhi-Fu Liu ◽  
Yong-Xiang Li ◽  
Cuong Ton-That ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Dielectric Loss ◽  
Dielectric Permittivity ◽  
Co Doping ◽  
Low Dielectric ◽  
Doped Zno ◽  
Colossal Dielectric Constant ◽  
Zno Ceramics ◽  
Co Doped

The colossal dielectric constant and relatively low dielectric loss (εr = 9862 and tan δ = 0.159) in ZnO ceramics have been achieved via acceptor and donor co-doping method.

Relaxor like colossal dielectric constant in CoWO4 and CoWO4/PbWO4 nanocomposites

2019 ◽  
Vol 30 (15) ◽  
pp. 14657-14668 ◽  
Author(s):  
M. Jeyakanthan ◽  
Uma Subramanian ◽  
R. B. Tangsali ◽  
Roshan Jose ◽  
K. Venkata Saravanan
Keyword(s):  
Dielectric Constant ◽  
Colossal Dielectric Constant

A single step unique microstructural growth of porous colossal dielectric constant titanium oxide

2019 ◽  
Vol 125 (3) ◽  
Author(s):  
Sunil Meti ◽  
Sagar Prutvi Hosangadi ◽  
M. R. Rahman ◽  
Udaya K. Bhat
Keyword(s):  
Dielectric Constant ◽  
Titanium Oxide ◽  
Single Step ◽  
Colossal Dielectric Constant

scholarly journals RAMAN SPECTROSCOPY OF CaCu3Ti4O12 CERAMICS REVISITED

2018 ◽  
Vol 34 (3) ◽  
Author(s):  
Nhat Hoang Nam
Keyword(s):  
Raman Spectroscopy ◽  
Room Temperature ◽  
Structural Characteristics ◽  
Double Perovskite ◽  
Solid State Reaction Method ◽  
Excess Oxygen ◽  
Optical Phonons ◽  
Reaction Method ◽  
Colossal Dielectric Constant ◽  
Perovskite Type

The CaCu3Ti4O12 ceramic has been prepared by Solid State Reaction method in excess oxygen. It possesses a well-defined double-perovskite type crystalline structure and exhibits a colossal dielectric constant at around 50000 at room temperature. This paper revised the imprints of Raman spectroscopy of this compound to validate its structural characteristics and optical behaviors. A special attention is paid on the account of optical phonons which show a recognizable agreement with the other results recently reported

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