Dielectric Measurements
Limitations of Kramers-Kronig transform for calculation of the DC conductance magnitude from dielectric measurements
... for dielectric relaxation responses but it is apparent that it does not work in the case of a low frequency power law in which the low frequency exponent approaches -1, ...
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Microwave Dielectric Measurements of 4-Nitroacetanilide at Different Temperatures in Carbon Tetrachloride Solution
... The dielectric relaxation studies in microwave region have been done by many researchers for polar molecules and their binary mixtures in the dilute solution of non polar ...The dielectric investigations on ...
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Dielectric measurements using an open resonator
... A method for measuring dielectric constants and loss tangents of both low-loss and high-loss materials in sheet form has been described. and has been found very [r] ...
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Design and fabrication of a novel wideband tem – cell for dielectric measurements
... of dielectric and magnetic properties of the material by using various techniques as: coaxial probe, transmission line, free space and resonant cavity, regarding the targeted frequency range (Clarke ...
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Structure and dielectric properties of sol gel processed Ba (Fe1/2Nb1/2) O3 ceramics
... For dielectric measurements, the powder samples were pressed into pellets with a uniaxial pressure of 8 tons/cm 2 , and then sintered at 1100°C for 8 h, with a heating rate of ...
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The orientational order and the dynamics of the dendritic liquid crystal organo siloxane tetrapodes determined using dielectric spectroscopy
... The dielectric measurements have been carried out on the two zeroth generation dendrimers with four branched arms 共 called tetrapodes 兲 based on the siloxane ...of dielectric permittivity by Maier ...
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Investigations on the structural and electrical properties of 4 chloro n methyl 4 stilbazolium tosylate
... A new optical material 4-chloro -N- methyl 4-stilbazolium tosylate, a new derivative of the stilbazolium tosylate family has been synthesized and transparent single crystals were grown by slow solvent evaporation ...
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A Comprehensive Review on Design and Development of Human Breast Phantoms for Ultra Wide Band Breast Cancer Imaging Systems
... Lai et al. [36] very comprehensively discussed fabrication of homogeneous and heterogeneous breast phantoms to be used at a frequency range of 0.5-13.5 GHz. They made use of oil and gelatin dispersions proposed by ...
24
Abstract: In this paper design and operation of a capacitive cell sensor for liquid mixture monitoring
... of dielectric measurements and several attempts have been made to compensate for such variation and for a simple case the effect of conductivity is presented by a resistive element in parallel with the ...
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An Improved Method for Microwave Nondestructive Dielectric Measurement of Layered Media
... layered dielectric backed and unbacked by a PEC, derived from the reflection ...the dielectric properties of ...the dielectric properties of the layered media are known, the probe may be used for ...
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Ferroelectric BaTiO3/SrTiO3 multilayered thin films for room temperature tunable microwave elements
... GHz) dielectric measurements reveal that the multilayers have excel- lent microwave dielectric properties with very low dielectric loss and high dielectric tenability, which suggests ...
6
Investigating the molecular origins of responsiveness in functional silicone elastomer networks
... servable in DSC, which is consistent with this assignment. Comparing peak positions for the β relaxation from DMTA and DRS (190 K at 1 Hz, and 180 K at 100 Hz) it appears that the barrier is lower in the ...
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Band gap narrowing in ferroelectric KNbO3 Bi(Yb,Me)O3 (Me=Fe or Mn) ceramics
... permittivity measurements and Raman spectroscopy analysis all ceramics studied exhibit dielectric anomalies associated with structural phase transitions and their ferroelectric nature is corroborated by the ...
19
Density measurement of OH radicals in non-thermal plasmas by laser induced fluorescence and time-resolved absorption spectroscopy
... In the present thesis work, we have developed two different experimental setups for the optical detection of the OH radical in discharges at atmospheric pressure. The first one allows us to improve the time-resolved ...
153
Combination of Two Measurement Techniques to Expand the Measurements Frequency Range of the Dielectric Permittivity
... of dielectric permittivity, presents the results from a comparison among three different measurement ...two dielectric measurement techniques has enabled us to evaluate them against each other at the same ...
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The measurement of very low conductivity and dielectric loss in XLPE cables: A possible method to detect degradation due to thermal aging
... our measurements is low enough to correspond to the intrinsic loss processes of the XLPE, in which case [16, 17] indicate that the -mode will lie below the frequency window for the given temperature range, ...
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Uncertainty Estimation in Complex Permittivity Measurements by Shielded Dielectric Resonator Technique Using the Monte Carlo Method
... Abstract—In this paper, we estimate the uncertainty in complex per- mittivity measurements performed in a shielded dielectric resonator, by using the Monte Carlo Method. We selected this approach since the ...
19
Calibration of TDR for moisture determination in peat deposits**
... the dielectric constant values, were measured simultaneously during the drying ...The measurements were conducted until the soil moisture changes were ...
7
Enhancement of Human Blood Storage Period by Irradiation of Low Level He Ne Laser
... The dielectric loss curve can be evaluated by calculating its total area. It is proportional to the total concentra- tion of dipoles in blood. The values of dipole moment for hemoglobin are registered in table [1] ...
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Iron-doped BaTiO3: Influence of iron on physical properties
... the dielectric permittivity ε versus temperature: Tc is identified with the temperature TM of the maximum of Ip and to the temperature TM of the maximum of the dielectric permittivity ...The ...
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