Low-frequency dielectric properties of CaNb2O6 ceramics over a wide temperature range

2015 ◽  
Vol 41 (10) ◽  
pp. 14773-14779 ◽  
Author(s):  
Haibo Li ◽  
Chunchang Wang ◽  
Hong Wang ◽  
Da Zhang ◽  
Nan Zhang
Keyword(s):  
Dielectric Properties ◽  
Wide Temperature Range ◽  
Low Frequency ◽  
Temperature Range

scholarly journals Dielectric Properties of Ternary ( ) ( )x ( ) x ZnO MgO PO 30 2 5 70− (x = 5, 8, 13) Glasses

2014 ◽  
Vol 5 (1) ◽  
Author(s):  
S. F. Khor ◽  
Z. A. Talib ◽  
W. M. Daud ◽  
H. A. A. Sidek ◽  
W. M. M. Yunus ◽  
...  
Keyword(s):  
Dielectric Properties ◽  
Dielectric Permittivity ◽  
Empirical Data ◽  
Loss Factor ◽  
Low Frequency ◽  
Frequency Range ◽  
Melt Quenching ◽  
Dipolar Relaxation ◽  
Temperature Range

(ZnO)30(MgO)x(P2O5)70-x glasses of the composition x = 5, 8 and 13 mol % have been prepared by melt quenching technique. The dielectric permittivity (89) and loss factor (8:) were measured in the frequency range from 0.01 Hz to 1 MHz and in the temperature range 303 to 573 K . From the results there are evidence of dipolar relaxation occurring between 103 – 106 Hz while at low frequency the spectrum is dominated by dc conduction which manifested by the 1/@ slope of loss factor plot. Value of the relaxing frequency (@p) plotted against 1/T shows one electrical transportation mechanism. The empirical data was sufficiently fitted by using Harviliak-Negami equation.

Dielectric properties of pure and Mn-doped CaCu3Ti4O12 ceramics over a wide temperature range

2016 ◽  
Vol 36 (1-4) ◽  
pp. 46-57 ◽  
Author(s):  
ChunChang Wang ◽  
Wei Ni ◽  
Da Zhang ◽  
Xiaohong Sun ◽  
Jing Wang ◽  
...  
Keyword(s):  
Dielectric Properties ◽  
Wide Temperature Range ◽  
Temperature Range ◽  
Mn Doped

Effects of Potassium Fluoride Salt Additive on the Sintering Temperature and Dielectric Properties of BaFe0.5Nb0.5O3 Ceramics

2008 ◽  
Vol 55-57 ◽  
pp. 885-888 ◽  
Author(s):  
Uraiwan Intatha ◽  
K. Sathitada ◽  
Sukum Eitssayeam ◽  
Kamonpan Pengpat ◽  
Gobwute Rujijanagul ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Dielectric Properties ◽  
Wide Temperature Range ◽  
Sintering Temperature ◽  
Potassium Fluoride ◽  
Fluoride Salt ◽  
Temperature Range ◽  
High Dielectric ◽  
Very High ◽  
Diffuse Phase

BaFe0.5Nb0.5O3 (BFN) exhibits very high dielectric constant over a wide temperature range. However, these materials normally require high-temperature sintering to achieve a maximum densification. The aim of this study is to determine the effect of potassium fluoride salt on the sintering and dielectric properties of BFN ceramics. The results show that KF additive lower the sintering temperature by 100-200°C without affecting the formation of BFN phase. Ceramics doped with 1% KF show optimum densities of about 95% of the theoretical value when sintered at 1300°C. The addition of fluoride salt in the BFN ceramics causes very broad dielectric constant curves over a wide temperature range indicating the diffuse phase transition characteristic. Furthermore, this addition also reduces in the dielectric loss when compared with pure BFN ceramics

The microscopic mechanism in the realization of ultra-wide temperature range stability in Bi3+,Na+,Zn2+,Nb5+ doped BaTiO3 dielectric system

RSC Advances ◽  
2016 ◽  
Vol 6 (29) ◽  
pp. 24518-24526 ◽  
Author(s):  
Bowen Zhang ◽  
Lingxia Li
Keyword(s):  
Dielectric Properties ◽  
Wide Temperature Range ◽  
Microscopic Mechanism ◽  
Temperature Range ◽  
System P ◽  
Dielectric System

In this paper, the micro-mechanism in a (1 − x)BaTiO3–xBi(Zn2/3Nb1/3)O3–0.01NaNbO3 system, benefiting the realization of ultra-wide temperature range stability, was proposed and applied to study the dielectric properties.

scholarly journals Phase-dependent dielectric properties and proton conduction of neopentyl glycol

RSC Advances ◽  
2021 ◽  
Vol 11 (38) ◽  
pp. 23228-23234
Author(s):  
Hailong Pan ◽  
Jiangshui Luo ◽  
Bing Li ◽  
Michael Wübbenhorst
Keyword(s):  
Dielectric Properties ◽  
Wide Temperature Range ◽  
Dielectric Spectroscopy ◽  
Proton Conduction ◽  
Neopentyl Glycol ◽  
Temperature Range ◽  
Broadband Dielectric Spectroscopy

Phase-dependent dielectric properties and proton conduction of neopentyl glycol (NPG) are studied systematically over a wide temperature range via broadband dielectric spectroscopy.

Sign in / Sign up

Export Citation Format

Share Document