Relevant bibliographies by topics / AC-DC Conductivity

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'AC-DC Conductivity'

Author: Grafiati
Published: 7 June 2025
Last updated: 17 July 2025

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Journal articles on the topic "AC-DC Conductivity"

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Tsangaris, G. M., G. C. Psarras, and E. Manolakaki. "DC and AC Conductivity in Polymeric Particulate Composites of Epoxy Resin and Metal Particles." Advanced Composites Letters 8, no. 1 (1999): 096369359900800. http://dx.doi.org/10.1177/096369359900800104.

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The DC and AC conductivity of composites with epoxy resin and nickel particles was investigated for various content of nickel powder from ambient to 120 °C. AC conductivity was measured in the frequency range 10 Hz to 13 MHz. An enhancement of conductivity was evidenced increasing conductive filler content and temperature. AC conductivity was found to be frequency dependent beyond a critical frequency ω c. The activation energy of the temperature shift of ω c was compared to the activation energy of DC conductivity.
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Szpakiewicz-Szatan, Aleksander, Szymon Starzonek, Jerzy E. Garbarczyk, Tomasz K. Pietrzak, Michał Boćkowski, and Sylwester J. Rzoska. "AC Electric Conductivity of High Pressure and High Temperature Formed NaFePO4 Glassy Nanocomposite." Nanomaterials 14, no. 18 (2024): 1492. http://dx.doi.org/10.3390/nano14181492.

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Olivine-like NaFePO4 glasses and nanocomposites are promising materials for cathodes in sodium batteries. Our previous studies focused on the preparation of NaFePO4 glass, transforming it into a nanocomposite using high-pressure–high-temperature treatment, and comparing both materials’ structural, thermal, and DC electric conductivity. This work focuses on specific features of AC electric conductivity, containing messages on the dynamics of translational processes. Conductivity spectra measured at various temperatures are scaled by apparent DC conductivity and plotted against frequency scaled
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Ahmed, Fatma B. M., Ali Badawi, and Fouad Abdel-Wahab. "The effect of non-bridging oxygen on the electrical transport of some lead borate glasses containing cobalt." Zeitschrift für Naturforschung A 76, no. 9 (2021): 847–52. http://dx.doi.org/10.1515/zna-2021-0096.

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Abstract The effect of reducing oxygen in glass network on the electrical conductivity of system 50 B2O3 − 20 Pb3O4 − 10 Co3O4 − (20 − x)CaO − xCaCl2 (0 ≤ x ≤ 20 mol%) has thoroughly been investigated. This reduction was created by substituting oxygen ions with chloride ions. The measurements were conducted in the temperature range 320–560 K for fixed frequencies 0.1, 1, 10 and 100 kHz. It was found that at low temperatures, the dc conductivity (σ dc) is lower than the measured ac conductivity σ(ω), whereas σ(ω) and σ dc became equal at high temperature for all frequencies. The ac, dc conducti
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McLachlan, David S., and Godfrey Sauti. "The AC and DC Conductivity of Nanocomposites." Journal of Nanomaterials 2007 (2007): 1–9. http://dx.doi.org/10.1155/2007/30389.

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The microstructures of binary (conductor-insulator) composites, containing nanoparticles, will usually have one of two basic structures. The first is the matrix structure where the nanoparticles (granules) are embedded in and always coated by the matrix material and there are no particle-particle contacts. The AC and DC conductivity of this microstructure is usually described by the Maxwell-Wagner/Hashin-Shtrikman or Bricklayer model. The second is a percolation structure, which can be thought to be made up by randomly packing the two types of granules (not necessarily the same size) together.
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McLachlan, D. S., Kefeng Cai, and G. Sauti. "AC and dc conductivity-based microstructural characterization." International Journal of Refractory Metals and Hard Materials 19, no. 4-6 (2001): 437–45. http://dx.doi.org/10.1016/s0263-4368(01)00024-5.

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Lunkenheimer, P., G. Knebel, A. Pimenov, G. A. Emel’chenko та A. Loidl. "Dc and Ac conductivity of La2CuO4+δ". Zeitschrift für Physik B Condensed Matter 99, № 4 (1995): 507–16. http://dx.doi.org/10.1007/s002570050069.

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Lunkenheimer, P., G. Knebel, A. Pimenov, G. A. Emel’chenko та A. Loidl. "Dc and Ac conductivity of La2CuO4+δ". Zeitschrift für Physik B Condensed Matter 99, № 1 (1995): 507–16. http://dx.doi.org/10.1007/bf02769974.

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Zukowski, Pawel, Konrad Kierczynski, Przemyslaw Rogalski, et al. "Analysis of the Influence of Insulation Moisture during Long-Term Exploitation of Transformers on Their Reliability as Determined by Alternating Current Electrical Parameters." Energies 17, no. 8 (2024): 1952. http://dx.doi.org/10.3390/en17081952.

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This paper presents the results of the study of the direct current (DC) and alternating current (AC) electrical properties of an electrical pressboard–bio-insulating oil–water composite in a wide range of water content and temperatures used in electric power transformers. These parameters allow the level of insulation reliability to be determined after many years of operation of power transformers. To analyse the experimental results, a model of the DC and AC conductivities of nanocomposites based on the quantum-mechanical phenomenon of electron tunnelling was used. It was found that in a low-
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Hussain, Md Ashfaq, S. Sindhu, B. Raghunanda, and S. Molakeri Ajai Kumar. "Synthesis, Characterization and Electrical Properties of ZnFe2O4 Nanoparticles." Journal of Nanoscience and Technology 7, no. 2 (2021): 946–48. http://dx.doi.org/10.30799/jnst.323.21070201.

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Zinc ferrite (ZnFe2O4) nanoparticles were prepared by combustion method. The FT-IR, XRD and SEM with EDS were used to characterize the prepared sample. The characterization results confirm the successful synthesis of ZnFe2O4 nanoparticles with the particle size range of 24 – 30 nm. The temperature dependent DC conductivity of the sample has been studied in the temperature range 30-175 °C and AC conductivity was investigated between the frequencies of 10 Hz and 10 MHz. DC conductivity of the sample was increased while increasing temperature and AC conductivity was increased as the frequency inc
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Bhuvaneswari, G., and S. Rameshkumar. "ELECTROCHEMICAL EVALUATION OF HUMIDITY BASED PROTON CONDUCTIVITY OF ALUMINIUM(III) TARTRATE." International Journal of Membrane Science and Technology 10, no. 2 (2023): 3041–55. http://dx.doi.org/10.15379/ijmst.v10i2.3042.

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Aluminium(III) tartrate was synthesized by simple solution crystallization and its humidity dependent proton conductivity was evaluated using electrochemical impedance spectroscopy. The compound exhibited very low DC conductivity and AC conductivity in the as synthesized form and dried conditions. However, upon exposing to 100% relative humidity(RH) the AC conductivity of the compound increased significantly with time and is several orders greater than DC conductivity. The structural stability of the compound was analysed by FTIR and PXRD experiments. The compound has good structural stability
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Dissertations / Theses on the topic "AC-DC Conductivity"

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Metjari, Anas. "Méthodologie de calibration DC/AC de sondes thermorésistives pour la microscopie thermique. Applications à la quantification des échanges pointe/environnements et à la mesure de résistances thermiques de contact." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0291.

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Ce travail de thèse porte sur la caractérisation du transport de la chaleur dans les nanomatériaux par microscopie thermique à balayage (SThM). Cette technique est utilisée pour la mesure des propriétés thermiques de micro-objets à l’échelle de quelques dizaines de nanomètres. Parvenir à des mesures quantitatives à ces échelles demeure un défi du fait de la complexité des échanges à l’interface entre la sonde et l’échantillon. Pour répondre à ces problématiques, nous avons développé un banc expérimental permettant de contrôler l’environnement et ainsi contrôler les modes de transfert. Nous avo
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Roy, Amit. "Investigation of DC and AC Charge Transport in Semiconducting Polymers and Devices." Thesis, 2021. https://etd.iisc.ac.in/handle/2005/5666.

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Semiconducting polymer materials have several applications in electronics and optoelectronic devices. The charge transport in these complex systems is yet to be fully understood to optimize the performance of the devices. In organic semiconductors, the molecular level organisation and the possibility of disorder affect electrical and optical properties. Several parameters like intra and inter-chain interactions, interfacial interaction with electrodes, processing procedures, etc. complicate the charge transport. The aim and goal of this Ph.D. work is to understand the charge transport phenome
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(9533396), Goon mo Koo. "On the development of Macroscale Modeling Strategies for AC/DC Transport-Deformation Coupling in Self-Sensing Piezoresistive Materials." Thesis, 2020.

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<div>Sensing of mechanical state is critical in diverse fields including biomedical implants, intelligent robotics, consumer technology interfaces, and integrated structural health monitoring among many others. Recently, materials that are self-sensing via the piezoresistive effect (i.e. having deformation-dependent electrical conductivity) have received much attention due to their potential to enable intrinsic, material-level strain sensing with lesser dependence on external/ad hoc sensor arrays. In order to effectively use piezoresistive materials for strain-sensing, however, it is necessary
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Varga, Martin. "Studium stejnosměrných a střídavých charakteristik polyanilinu v závislosti na technologii přípravy." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-295914.

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Our aim in the present work is to provide and evaluate AC and DC characteristics of the polyaniline based materials. Different experiemtal techniques and devices have been used to achieve this goal. An introduction to the theoretical concepts of conductivity is given as well. The core of this thesis is an investigation of temperature and low pressure dependences, as well as the ageing effects for two systems (composites) in respect of the different preparation conditions such as dopants and their molar concentration, origin and the content of inorganic component and the way of polymerisation.
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Books on the topic "AC-DC Conductivity"

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Pryor, Roger W. AC/DC Module: Inductive Conductivity Measurements Using COMSOL and MATLAB. Mercury Learning & Information, 2014.

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Book chapters on the topic "AC-DC Conductivity"

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van Staveren, M. P. J., J. T. Moonen, H. B. Brom, L. J. de Jongh, and G. Schmid. "Ac and dc electrical conductivity of polynuclear metal cluster compounds." In Small Particles and Inorganic Clusters. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74913-1_105.

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Brom, H. B., M. P. J. van Staveren, and L. J. de Jongh. "The AC and DC conductivity in aggregates of ligand stabilized metal-cluster molecules." In Small Particles and Inorganic Clusters. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76178-2_175.

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Jogad, M. S., V. K. Shrikhande, A. H. Dyama, L. A. Udachan, and Govind P. Kothiyal. "Anderson-Stuart Model to Analyze AC and DC Conductivity of Lithium Zinc-Silicate Glass / Glass-Ceramics." In High-Performance Ceramics III. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-959-8.919.

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Acharya, Amartya. "DC and AC conductivity of some lithium ion conducting glassy nanocomposites." In Metal Oxide Glass Nanocomposites. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-817458-6.00011-1.

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Sridhar, Rapolu, D. Ravinder, J. Laxman Naik, K. Vijaya Kumar, N. Maramu, and S. Katlakunta. "Investigation of Structural, Magnetic and Electrical Properties of Chromium Substituted Nickel Ceramic Nanopowders." In Advanced Ceramic Materials. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.94941.

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Nano-ceramic of NiCrxFe2-xO4 (0.1 ≤ x ≤ 1.0) ferrites were synthesized by citrate-gel auto combustion method. The structural parameter such as lattice parameter, X-ray density, bulk density and porosity variations with Cr doping were studied. The average crystallite size is in the range 8.5–10.5 nm. The surface morphology and elemental analysis was studied with SEM (EDAX) spectrum and the structural information analyzed with FTIR spectra. Magnetic properties were discussed with Cr3+ion concentration. Electrical parameters like dc resistivity and drift mobility were reported with function of temperature and dopent concentration from room temperature to well beyond Curie temperature and explained with hopping mechanism between Fe2+↔Fe3+ ions. The activation energies in ferri and para magnetic regions were investigated. Dielectric parameters like dielectric constant, dielectric loss and ac conductivity were investigated variation with frequency and composition.
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A.H. Alzahrani, Hassan. "CuO and MWCNTs Nanoparticles Filled PVA-PVP Nanocomposites: Morphological, Optical, Dielectric, and Electrical Characteristics." In Carbon Nanotubes - Recent Advances, New Perspectives and Potential Applications [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.105810.

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Copper dioxide (CuO) nanoparticles and multiwall carbon nanotubes (MWCNTs)-filled poly(vinyl alcohol) (PVA) and poly(vinyl pyrrolidone) (PVP) blend matrix (50/50 wt%)-based polymer nanocomposites (PNCs) have been prepared employing the solution-cast method. The X-ray diffraction explores the semicrystalline morphologies of these PNCs. The FTIR, SEM, and AFM measurements of PNCs expose the development of the miscible mix, polymer-polymer and polymer-nanoparticle interactions, and the influence of CuO and MWCNTs nanofillers on the morphology aspects on the main chain of PVA/PVP blend. The nanofiller loading for x = 14 wt% in the PVA–PVP blend matrix significantly enhances the crystalline phase, diminishing the optical energy gap to 2.31 eV. The DC conductivity is found to be maximum for x = 14 wt% loading concentration. The dielectric and electrical characteristics of these PNCs are investigated for an applied frequency range from 1 kHz to 1 MHz. The dielectric permittivity values increase substantially, owing to the decrease in the nano-confinement phenomenon at low frequency. The rise in applied frequency reduces dielectric permittivity and impedance values and enhances AC electrical conductivity. These PNCs having good dielectric and electrical characteristics can be used as frequency tunable nano-dielectric material in electronic devices.
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Conference papers on the topic "AC-DC Conductivity"

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Habib, Khaled. "Surface Resistivity/Conductivity of Different Organic-Thin Films by a Combination of Optical Shearography and EIS." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01083.

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Abstract Optical shearography techniques were used for the first time to measure the surface resistivity/conductivity of different organic-thin films. Different organic coatings i.e., ACE Premium- gray, white, and beige Enamels (spray coatings), on a metallic alloy, i.e., a carbon steel, were investigated at a temperature range simulating the severe weather temperatures in Kuwait, especially between the daylight and the night time temperatures, 20–60 °C. The investigation focused on determining the in-plane displacement of the coatings, which amounts to the thermal deformation (strain) with re
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Viswanathan, S. K., F. M. Amanullah, S. S. Avadhani, and B. S. V. Gopalam. "Dc and ac conductivity of amorphous CuInTe2thin films." In Madras - DL tentative. SPIE, 1992. http://dx.doi.org/10.1117/12.57011.

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McLachlan, D. S. "AC and DC conductivity based microstructural characterization of composites." In QUANTITATIVE NONDESTRUCTIVE EVALUATION. AIP, 2002. http://dx.doi.org/10.1063/1.1472918.

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Liu, D., L. Zhang, and Y. J. Chen. "Electrical properties of PI films with high thermal conductivity." In 18th International Conference on AC and DC Power Transmission (ACDC 2022). Institution of Engineering and Technology, 2022. http://dx.doi.org/10.1049/icp.2022.1204.

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Pandey, Rabichandra, Lagen Kumar Pradhan, Sunil Kumar, and Manoranjan Kar. "AC and DC conductivity study on Ca substituted bismuth ferrite." In 2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5032454.

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ANAVEKAR, R. V., and B. ERAIAH. "DC AND AC CONDUCTIVITY STUDIES ON Ag2O-P2O5-V2O5 GLASS SYSTEM." In Proceedings of the 8th Asian Conference. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776259_0088.

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Šiljegović, Mirjana, Milica Kisić, Vladimir Rajs, and Ondrej Bošak. "Electrical conductivity and impedance response of arsenic-sulphide glasses doped with Pb." In International Conference IcETRAN. ETRAN Society, Academic Mind, Belgrade, 2024. https://doi.org/10.69994/11ic24029.

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Bulk samples of Pbx(As2S3)100-x chalcogenide glassy system obtained by melt quenching method were subjected to the measurement of their electric and dielectric properties over the temperature and frequency ranges (323-423 K) and (0.1 Hz-100 kHz) respectively. The introduction of lead into the system significantly increases DC and AC conductivity. Hoping between the localized states was identifed as a dominant conductivity mechanism in DC regime. The results of ac conductivity measurements are explained based on the correlated barrier hopping CBH model. The AC impedance analysis by means of an
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Hall, Michael, Lesley Henderson, Gwyn Ashcroft, et al. "Discrepancies Between the DC and AC Measurement of Low Frequency Electrical Conductivity." In 2004 Conference on Precision Electromagnetic Measurements. IEEE, 2004. http://dx.doi.org/10.1109/cpem.2004.305406.

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Dagher, Milad, Dimitrios Sounas, Richard Martel, and Christophe Caloz. "AC conductivity of metallic carbon nanotubes (CNTs) exposed to a DC field." In 2011 XXXth URSI General Assembly and Scientific Symposium. IEEE, 2011. http://dx.doi.org/10.1109/ursigass.2011.6050629.

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Sui, R., L. Zhong, Y. Li, and J. Gao. "The impact of crosslinking degree on DC conductivity of LLDPE based insulation materials." In The 16th IET International Conference on AC and DC Power Transmission (ACDC 2020). Institution of Engineering and Technology, 2021. http://dx.doi.org/10.1049/icp.2020.0186.

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