Large dielectric constant and Maxwell-Wagner relaxation inBi2∕3Cu3Ti4O12

2004 ◽  
Vol 70 (14) ◽  
Author(s):  
Jianjun Liu ◽  
Chun-Gang Duan ◽  
Wei-Guo Yin ◽  
W. N. Mei ◽  
R. W. Smith ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Large Dielectric Constant

scholarly journals Electroless Deposited Gold Nanoparticles on Glass Plates as Sensors for Measuring the Dielectric Constant of Solutions

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Y. Kobayashi ◽  
Y. Ishii
Keyword(s):  
Dielectric Constant ◽  
Au Nanoparticles ◽  
Glass Plate ◽  
Au Nanoparticle ◽  
Peak Wavelength ◽  
Nanoparticle Deposition ◽  
Metal Plating ◽  
Large Dielectric Constant ◽  
Electroless Metal Plating ◽  
Glass Plates

This work describes a method for the deposition of Au nanoparticles on glass plates (Au-glass). An electroless metal plating technique was extended to the Au nanoparticle deposition. The technique consisted of three steps that took place on the glass plate: (1) adsorption of Sn2+ ions, (2) deposition of metallic Ag nuclei generated by reducing Ag+ ions with Sn2+ ions on the Sn-adsorbed sites, and (3) deposition of Au nanoparticles by reducing Au+ ions on the Ag surface. TEM observation revealed that metallic Au nanoparticles with a size of  nm were formed on the glass surface. A surface plasmon resonance absorption peak was observed, and its peak wavelength redshifted by immersing the Au-glass into a solution with a large dielectric constant. The redshift corresponded qualitatively to the calculation by the Mie theory accompanying the Drude expression, which was based on the change of the dielectric constant of the solution. The obtained results indicated that the Au-glass functioned as a sensor for measuring the dielectric constant of the solution.

Simple furan-based polymers featuring self-healing function enable efficient eco-friendly organic solar cells with high stability

2021 ◽  
Author(s):  
Shangwen Lu ◽  
Shengchun Qu ◽  
Yingying Deng ◽  
Yueyue Gao ◽  
Gentian Yue ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Solar Cells ◽  
Organic Solar Cells ◽  
High Stability ◽  
Hole Mobility ◽  
Side Chains ◽  
Self Healing ◽  
Good Solubility ◽  
Large Dielectric Constant ◽  
Oligoethylene Glycol

Herein, two simple furan-based polymers PFO3 and PFO4 grafting oligoethylene glycol (OEG) side chains are developed. PFO3 and PFO4 feature high hole mobility, large dielectric constant and good solubility. Compared...

Well dispersed silicon nanospheres synthesized by RF thermal plasma treatment and their high thermal conductivity and dielectric constant in polymer nanocomposites

RSC Advances ◽  
2015 ◽  
Vol 5 (13) ◽  
pp. 9432-9440 ◽  
Author(s):  
Guolin Hou ◽  
Benli Cheng ◽  
Fei Ding ◽  
Mingshui Yao ◽  
Yuebin Cao ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Dielectric Constant ◽  
Plasma Treatment ◽  
Polymer Nanocomposites ◽  
Thermal Plasma ◽  
High Thermal Conductivity ◽  
Large Dielectric Constant ◽  
Rf Thermal Plasma

Nanocomposites with high thermal conductivity and large dielectric constant incorporated with Si nanospheres prepared by thermal plasma are reported.

scholarly journals Very large dielectric constant of highly oriented Pb1−xBaxTiO3 thin films prepared by chemical deposition

2004 ◽  
Vol 84 (2) ◽  
pp. 248-250 ◽  
Author(s):  
F. M. Pontes ◽  
E. R. Leite ◽  
G. P. Mambrini ◽  
M. T. Escote ◽  
E. Longo ◽  
...  
Keyword(s):  
Thin Films ◽  
Dielectric Constant ◽  
Chemical Deposition ◽  
Large Dielectric Constant

Free-ion Yield in the Radiolysis of Dimethylsulfoxide

1971 ◽  
Vol 49 (13) ◽  
pp. 2248-2253 ◽  
Author(s):  
T. K. Cooper ◽  
D. C. Walker
Keyword(s):  
Dielectric Constant ◽  
Negative Ions ◽  
Pure Liquid ◽  
Solvated Electrons ◽  
Gaseous Products ◽  
Free Ions ◽  
Competitive Reactions ◽  
Large Dielectric Constant ◽  
Polar Media ◽  
Wide Range

Dimethylsulfoxide is a dipolar aprotic solvent of high basicity having a large dielectric constant (ε = 48) but very low solvating power for negative ions. The radiation yield of "free ions" in this liquid is in accord with the dielectric constant, G(free ions) = 1.8 ± 0.2, but these "free ions" do not resemble the strongly solvated electrons found in other polar media such as water and aliphatic alcohols. Evidence for this conclusion is based principally on competitive reactions involving a wide range of scavengers in competition with nitrous oxide. The radiation yields of gaseous products from pure liquid dimethylsulfoxide are G(H2) = 0.20 ± 0.01, G(CH4) = 3.3 ± 0.1, and G(C2H6) = 0.49 ± 0.03.

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