AC impedance
AC Impedance Spectroscopy of a nc Si:H Thin Films
... The AC impedance of amorphous-nano-crystalline silicon composite thin films (a-nc-Si:H) from mHz to MHz at different temperatures has been ...of impedance data, two approaches were tested: the ideal ...
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AC Impedance Responses of the Inconel 718 Alloy During Electropolishing in Perchloric-Acetic Mixed Acids
... (AC) impedance test, or named electrochemical impedance spectroscopy (EIS) test, has been successfully applied to the investigation of various electrochemical processes for the past thirty years ...
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Comparison of ac impedance spectroscopy technique with conventional methods for detection of occlusal caries in primary teeth
... of bitewing radiography and tactile examination. Difference in AUC between tactile examination and CarieScan PRO TM was statistically significant. However, difference in AUC between bitewing radiography and CarieScan ...
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Evaluation of Sample-Electrode Contact Impedance in Two-Point Measured AC Impedance Spectroscopy of Cement-Based Materials
... Some researchers [9, 22, 23] have used the electrode pre-casting contact method for the ACIS measurement of cement-based materials and obtained Nyquist plots, including a semicircle and an inclined line. Liu et al. [24] ...
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Characterization, AC Impedance Study and Dielectric Properties of Chemically Synthesised Poly Para-Toluidine
... by AC impedance techniques 14 ...the AC conductivity upon frequency has been observed in a wide variety of disordered materials, such as amorphous semiconductors, polymers and ionically conducting ...
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AC Impedance Spectroscopy Analysis of the Corrosion Behavior of Reinforced Concrete in Chloride Solution
... using AC impedance ...significant impedance response decline in the capacitive part, as highlighted through multielementary analyses, SEM observations and the low-frequency region of impedance ...
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AC Impedance Spectroscopy, Conductivity and Optical Studies of Sr doped Bismuth Ferrite Nanocomposites
... Complex impedance spectroscopy is a comparatively effective method of explaining many of the electrical properties of materials ...complex impedance data can preferably be done by using an equivalent ...
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AC Impedance Spectroscopic of Nano Size Al2O3 Filler in PEO:AgI Polymer Electrolyte
... of was achieved in film 93[70PEO:30AgI]:7Al 2 O 3 . These composition has been referred to as optimum composing composition. The ion transport behavior in polymer membrane have been discussed on the basis of ionic ...
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AC Impedance Response and Electrical Conduction Mechanism of Thin Selenium Films Doped with Samarium Atoms
... [6]. Impedance spectroscopy (IS) is a powerful technique used to extract and analyze the electrical properties for a wide variety of materials ranging from insulators to superconductors [7, ...the impedance ...
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Ac impedance spectroscopy and electrical conductivity studies of ba1 xzrxtio3
... potential wells and the ions can make only short-range motion within the well (Nobre and Langfredi, 2001). The region where peak occurs is indicative of the transition from long-range to short-range mobility with ...
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Preparation and testing of metal/Ce0 80Gd0 20O1 90 (metal: Ni, Pd, Pt, Rh, Ru) co impregnated La0 20Sr0 25Ca0 45TiO3 anode microstructures for solid oxide fuel cells
... within AC impedance spectra of full SOFC. AC impedance spectra were collected using a Solartron 1260 Impedance/Gain-Phase ...All AC impedance spectra were subjected to ...
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Effect of Chloride Ions in Electrowinning Solutions on Zinc Deposition Behavior and Crystal Texture
... with increasing chloride ion concentration, which indicates that the chloride ions promote the charge-transfer process during Zn deposition. The polarization resistance for Zn deposition measured by AC ...
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Development and testing of impregnated La0 20Sr0 25Ca0 45TiO3 anode microstructures for solid oxide fuel cells
... Here, we present data on the optimisation of the LSCTA- backbone using ceramic processing techniques, DC conductivity testing of a series of candidate microstructures and AC Impedance sp[r] ...
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Vol 9, No 2 (2020)
... Corrosion resistance of 18 Carat Gold in Ringer’s Solution and lactated Ringer solution has been investigated by polarization study and AC impedance measurements. All measurements were performed at 37±1 °C. ...
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Preparation and Characterization of New Oxide Ion Conductors in Bi2O3-As2O5 System
... electrical properties were determined by ac impedance spectroscopy using a Hewlett-Packard Impedance Analyzer HP 4192A in the frequency range of 10 Hz to 13 MHz. Measurements were made between 200 o ...
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Effect of bis-(3-triethoxysilylpropyl)-tetrasulfide on Super- Hydrophobicity and Corrosion Resistance of Self-Assembled Monolayers on 6061 Aluminum Alloys
... In this paper, a superhydrophobic and corrosion-resistant self-assembled film was prepared on aluminum alloy substrates by chemical corrosion and self-assembly. The results show that the concentration of BTESPT was 0.10 ...
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Vol 2, No 7 (2013)
... for AC impedance ...cell impedance were measured in ohms at various frequencies. AC impedance spectra were recorded with initial E (v) = 0 V, high frequency ...
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Electrochemical Methods for Post-Mortem Failure Analysis of Commercial PEM Fuel Cell Stacks
... curves, AC impedance spectroscopy and anode and cathode cyclic voltammetry, in order to determine general performance for each cell, ohmic resistance and catalyst layer ...
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Electrochemical Performance of Chitosan Oligosaccharide/Carbon Nanotube Composite for Detection of Trace Copper(II) Ion
... CV, AC impedance) were measured using a Electrochemical workstation with a three-electrode system which was composed of either a GC electrode or a GC electrode coated with a COS/MWCNT composite as the ...
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Analyses Of the Active Superconducting Fault Current Limiter Simulations and Experimental
... variable impedance which is in series with a circuit ...the impedance of FCL rises to a value where the fault current is correspondingly reduced to a lower level, at which the circuit breaker can handle ...
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