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Articoli di riviste sul tema "Dielectrical properties"

Autore: Grafiati

Pubblicato: 5 ottobre 2024

Ultima modifica: 31 luglio 2025

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1

Zang, Chong Guang, and Xian Peng Cao. "PANI / MWNTs / EP Composite Microwave Absorbing Coatings Dielectrical and Microwave Absorbing Properties Analysis." Applied Mechanics and Materials 303-306 (February 2013): 2477–80. http://dx.doi.org/10.4028/www.scientific.net/amm.303-306.2477.

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In this paper, the polyaniline (PANI) coated multi-walled carbon nanotubes (MWNTs) was prepared in situ polymerization. Adding PANI/MWNTs into epoxy resin（EP）, we got PANI / MWNTs / EP composite microwave absorbing materials. Through testing permittivity 、permeability and reflection loss of materials, the paper showed the effect of PANI/MWNTS to the dielectrical and microwave absorbing properties of materials.The results showed： PANI/MWNTs had great effect on dielectrical and microwave absorbing properties of materials. But the imaginary permeability was close to 0. That indicated that it main

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2

Jayamani, Elammaran, and Muhammad Khusairy bin Bakri. "Preliminary Study on the Acoustical, Dielectric and Mechanical Properties of Sugarcane Bagasse Reinforced Unsaturated Polyester Composites." Materials Science Forum 890 (March 2017): 12–15. http://dx.doi.org/10.4028/www.scientific.net/msf.890.12.

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In this research, the alkaline treated and untreated sugarcane bagasse was used as reinforcement with unsaturated polyester to make composites. The composites were made with 0 to 20 weight percentage of fibers using compression molding. Acoustical, dielectrical and mechanical properties of the composites were studied according to the American Society for Testing Materials (ASTM) standards. The result shows that the composites with higher sugarcane bagasse loading show higher acoustical and dielectrical properties. The composites tensile strength increased up to 10wt% of fiber loading and then

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3

Mobarak, Youssef, M. Bassyouni, and M. Almutawa. "Materials Selection, Synthesis, and Dielectrical Properties of PVC Nanocomposites." Advances in Materials Science and Engineering 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/149672.

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Materials selection process for electrical insulation application was carried out using Cambridge Engineering Selector (CES) program. Melt mixing technique was applied to prepare polyvinyl-chloride- (PVC-) nanofumed silica and nanomontmorillonite clay composites. Surface analysis and particles dispersibility were examined using scanning electron microscope. Dielectrical properties were assessed using Hipot tester. An experimental work for dielectric loss of the nanocomposite materials has been investigated in a frequency range of 10 Hz–50 kHz. The initial results using CES program showed that

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4

Skipina, Blanka, Dusko Dudic, Dusan Kostoski, and Jablan Dojcilovic. "Dielectrical properties of composites LDPE+CB." Chemical Industry 64, no. 3 (2010): 187–91. http://dx.doi.org/10.2298/hemind091221035s.

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There is currently great interest in the technological properties of conductive polymer composites because their cost-performance balance. They have a wide range of industrial applications -in anti-static materials, self regulating heaters, current overload and overheating protection devices, and materials for electromagnetic radiation shielding. Measurements of the electrical properties of polymer composites are one of the most convenient and sensitive methods for studying polymer structure. A polymer composite differs substantially from a free polymer in a wide range of properties. The prese

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5

Haddour, Lillia, Mourad Keddam, and Nadir Mesrati. "Relationships between Microstructure and Mechanical Properties of Polycristalline Alumina." Applied Mechanics and Materials 625 (September 2014): 192–95. http://dx.doi.org/10.4028/www.scientific.net/amm.625.192.

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Some low purity alumina ceramics with an alumina content ranging from 86% to 93% were investigated, in order to explore the effects of microstructural parameters (grain size, intergranular phase) on mechanical (wear) and dielectrical parameters. The microstructure and worn surfaces were analysed using scaning electron microscopy. The correlation between microstructural, dielectrical properties and wear is discussed. It has been proposed that mechanical and electrical properties are two aspects of the same fundamental mechanism. Key words: Al2O3, Microstructure final, Wear resistance, Breakdown

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6

Soni, Neha, Nikita Karma, Lalit Kumar Bhataniya, Paras Dubey, and Netram Kaurav. "Investigation of Structural and Dielectric Properties of Sr doped LaCrO3Synthesized by Auto-Combustion Method." Journal of Physics: Conference Series 2603, no. 1 (2023): 012027. http://dx.doi.org/10.1088/1742-6596/2603/1/012027.

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Abstract We synthesized the undoped lanthanum chromium oxide, LaCrO3 (LCO), and Strontium (Sr) doped La1-xSrxCrO3 (x=0.1) perovskite compounds using auto-combution method. X-ray Diffraction technique reveals that both the samples possess Cubic crystal structure with Pm-3m space group. Furthermore, room temperature dielectrical properties of both the samples were emphasized. Dielectric constant and loss value of both the samples decreases as frequency increases attributed to Maxwell-Wagner type of relaxation.

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7

V., D. Murumkar. "DIELECTRICAL PROPERTIES OF ALUMINIUM DOPED YTTRIUM IRON GARNET." International Journal of Advances in Engineering & Scientific Research 2, no. 3 (2015): 41–45. https://doi.org/10.5281/zenodo.10726117.

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<strong><em>Abstract</em><em>: </em></strong> <em>                         In the present  work Al doped Yttrium iron garnet with formula Y<sub>3</sub>Fe<sub>4.8</sub>Al<sub>0.2</sub>O12 have been prepared by sol-gel auto combustion technique and the results on dielectric properties were reported. The formation of single phase garnet structure was confirmed through X-ray diffraction technique. XRD pattern was recorded at room temperature in 2</em><em>q range of 20-80<sup

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8

Kang, Jie, Gui Xia Dong, and Qiu Xiang Liu. "Research on Properties of AlN-Mo Composite Ceramic." Advanced Materials Research 482-484 (February 2012): 1695–98. http://dx.doi.org/10.4028/www.scientific.net/amr.482-484.1695.

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With CaF2 and CaCO3 as sintering additives, AlN-Mo composite was prepared using hot pressed sintering technique. The phase composition and morphology of AlN-Mo composite ceramics were analyzed using XRD and SEM, respectively. The experimental results show that when CaF2 and CaCO3 additives is in a range of 1~3wt%, the thermal conductivity AlN-Mo composites increases with increasing of the CaF2 content; With the increasing of CaCO3 content, first increases and then decreases. Sintering additives in a certain type and content, the thermal conductivity of AlN-Mo composite ceramics with 20 vol% Mo

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9

Journal, Baghdad Science. "Investigation of the dielectric Properties of (PPAB) terminated by phenylenediamine doped by Na2[Fe(CN)5.NO].2H2O using Lumped equivalent circuit." Baghdad Science Journal 13, no. 1 (2016): 174–82. http://dx.doi.org/10.21123/bsj.13.1.174-182.

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The aim of this paper is to demonstrate the effect of Na2[Fe(CN)5.NO].2H2O impurity (0.1 M) concentration on the dielectrical properties of poly (P-Aminobenzaldehyde) terminated by pheneylenediamine in the frequency and temperature ranges (1-100)KHz and (283-348) K respectively.These properties include dissipation factor, series and parallel resistance, series and parallel capacitance, real and imaginary part of the dielectric constant, a.c conductivity and impedance (real and imaginary) part, that have been deduced from equivalent circuit. The investigation shows that adding Na2[Fe(CN)5.NO].2

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10

Turky, Ali Omar, Mohamed Mohamed Rashad, Zaki Ismail Zaki, Ibrahim Ahmed Ibrahim, and Mikhael Bechelany. "Tuning the optical and dielectric properties of calcium copper titanate CaxCu3−xTi4O12 nanopowders." RSC Advances 5, no. 24 (2015): 18767–72. http://dx.doi.org/10.1039/c4ra15222k.

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11

Maurya, M. K. "Study of Dielectric Properties of Typical Electrical Insulating Materials by Terahertz Wave Spectroscopy." International Journal for Research in Applied Science and Engineering Technology 12, no. 8 (2024): 632–40. http://dx.doi.org/10.22214/ijraset.2024.63973.

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Abstract: This research paper uses a special kind of light is called terahertz waves to study the properties of materials that prevent electricity from flowing, like plastics and glass. Dielectrical insulating materials play an important role in the Insulation coordination of electric power systems such as transformers and high Voltage power cable. Dielectric insulating materials are evaluated based on their dielectric constant, dielectric strength, loss tangent, and thermal stability. The dielectric constant determines the material's ability to store electrical energy, while the dielectric st

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12

Xue, Tiange, Xinqing Su, Shixiang Yu, et al. "Enhanced Thermal Conductivity and Dielectric Performance of CMZBS–Glass–Ceramic Composites with AlN Whisker Incorporation for LTCC Applications." Materials 18, no. 4 (2025): 857. https://doi.org/10.3390/ma18040857.

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In this work, a small amount of AlN whiskers (ranging from 2 wt.% to 8 wt.%) was incorporated into CaO-MgO-ZnO-B2O3-SiO2 (CMZBS)–glass/Al2O3 composites so as to obtain glass-ceramics with a thermally conductive network through sintering between 700 °C and 1000 °C. Special attention was given to the densification behavior, dielectric properties, and thermal conductivity of CMZBS/Al2O3/AlN–glass–ceramic composites with varying AlN whisker contents. According to the results, composites with desirable thermal, mechanical, and dielectrical properties were successfully fabricated. Notably, the compo

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13

Najeeb, Hussein Neama. "Dielectrical and electrical properties of PVA-NaI composites." Iraqi Journal of Physics (IJP) 11, no. 22 (2019): 56–63. http://dx.doi.org/10.30723/ijp.v11i22.353.

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The electrical characteristics of polyvinyl alcohol PVA doped with different concentrations (0, 1, 2, 3 and 4wt%) of sodium iodide NaI powder were studied. The films are prepared using solution casting technique, in order to investigate the effect of sodium iodide NaI additions on the electrical properties of PVA host. The D.C conductivity measured by measuring the D.C electrical resistance using the Keithly Electrometer type 616C, and for different temperatures ranging from 30 – 70oC. The dielectric properties measured by measuring the capacitor and the loss angle tangent as a function

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14

Gu, Hongbo, Yudong Huang, Xi Zhang, et al. "Magnetoresistive polyaniline-magnetite nanocomposites with negative dielectrical properties." Polymer 53, no. 3 (2012): 801–9. http://dx.doi.org/10.1016/j.polymer.2011.12.033.

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15

Laboranti, L. M., E. R. Mognaschi, G. Gozzelino, and A. Priola. "Dielectrical properties of u.v. cured acrylated polysiloxane films." Journal of Materials Science 30, no. 6 (1995): 1473–79. http://dx.doi.org/10.1007/bf00375251.

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16

İÇİER, FILIZ, and TANER BAYSAL. "Dielectrical Properties of Food Materials—2: Measurement Techniques." Critical Reviews in Food Science and Nutrition 44, no. 6 (2004): 473–78. http://dx.doi.org/10.1080/10408690490892361.

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17

Zamiri, Reza, Hossein Abbastabar Ahangar, Ajay Kaushal, et al. "Dielectrical Properties of CeO2 Nanoparticles at Different Temperatures." PLOS ONE 10, no. 4 (2015): e0122989. http://dx.doi.org/10.1371/journal.pone.0122989.

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18

Eissa. "Structural and Dielectrical Properties of Sterilized Human Teeth." Physics International 3, no. 1 (2012): 22–27. http://dx.doi.org/10.3844/pisp.2012.22.27.

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19

Sumanta, Karmakar, and Mukhopadhyay Soumitra. "DIELECTRICAL PROPERTIES OF ALUMINIUM DOPED YTTRIUM IRON GARNET." International Journal of Advances in Engineering & Scientific Research 2, no. 5 (2015): 01–05. https://doi.org/10.5281/zenodo.10726087.

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<strong><em>Abstract</em><em>: </em></strong> <em>                    </em> <em>Speaker recognition is the process of determining which registered speaker provides a given utterance followed by the process of accepting or rejecting the identity claim of a speaker</em>. <em>This paper reports on an experimental study involving signal processing in both time and frequency domain, and to receive a small bit of insight into the principles of speech analysis. This was accomplished by recording four s

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20

Jeidd, Abddaim, Mohamed Amghar, A. Mabrouki, et al. "Study of physical properties of the Li_0.5MgFe_1.5O_3.5 ferrite nanoparticles." RSC Advances 13, no. 19 (2023): 12906–16. http://dx.doi.org/10.1039/d2ra07970d.

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In the present research study, the structural, optical, magnetic, electrical and dielectrical properties of the spinel ferrite Li0.5MgFe1.5O3.5, synthesized using a sol–gel auto-combustion method were studied.

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21

Rahmouni, H., M. Smari, B. Cherif, E. Dhahri, and K. Khirouni. "Conduction mechanism, impedance spectroscopic investigation and dielectric behavior of La0.5Ca0.5−xAgxMnO3 manganites with compositions below the concentration limit of silver solubility in perovskites (0 ≤ x ≤ 0.2)." Dalton Transactions 44, no. 22 (2015): 10457–66. http://dx.doi.org/10.1039/c5dt00444f.

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22

Zhang, Yu, and Chuan Guo Ma. "Preparation and Electrical Properties of Aligned Carbon Nanotubes/Epoxy Resin Composites Induced by a Low Magnetic Field." Advanced Materials Research 189-193 (February 2011): 1340–43. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.1340.

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Aligned carbon nanotubes(CNTs)/epoxy resin(EP) composites were prepared under a low magnetic field (B<500mT) induction. The effect of different magnetic fields on the electrical and dielectrical properties of composites was investigated. The results show that the CNTs are aligned with rod-like aggregations instead of single CNTs when the magnetic field direction is vertical to the casting direction of samples, then electric conductivity, permittivity, dielectric loss of the composite are improved. And a larger magnetic field intensity and a bigger mould capacity can help the effect of magne

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23

Rosaiah, P. "Synthesis, Electrical And Dielectrical Properties Of Lithium Iron Oxide." Advanced Materials Letters 4, no. 4 (2013): 288–95. http://dx.doi.org/10.5185/amlett.2012.8416.

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24

Lyashchenko, A. K., I. V. Balakaeva, Yu A. Simonova, and L. M. Timofeeva. "Hydration and dielectrical properties of aqueous pyrrolidinium trifluoroacetate solutions." Russian Journal of Physical Chemistry A 91, no. 10 (2017): 1913–18. http://dx.doi.org/10.1134/s0036024417100247.

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25

Zamiri, Reza, Hossein Abbastabar Ahangar, Ajay Kaushal, et al. "Correction: Dielectrical Properties of CeO2 Nanoparticles at Different Temperatures." PLOS ONE 10, no. 7 (2015): e0131851. http://dx.doi.org/10.1371/journal.pone.0131851.

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26

El-Ghamaz, N. A., A. Z. El-Sonbati, M. A. Diab, A. A. El-Bindary, M. K. Awad, and Sh M. Morgan. "Dielectrical, conduction mechanism and thermal properties of rhodanine azodyes." Materials Science in Semiconductor Processing 19 (March 2014): 150–62. http://dx.doi.org/10.1016/j.mssp.2013.12.005.

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27

El-Ghamaz, N. A., E. M. El-Menyawy, M. A. Diab, A. A. El-Bindary, A. Z. El-Sonbati, and S. G. Nozha. "Optical and dielectrical properties of azo quinoline thin films." Solid State Sciences 30 (April 2014): 44–54. http://dx.doi.org/10.1016/j.solidstatesciences.2014.02.005.

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28

Mat Sauki, Siti Syafiqah, Nor Asiah Muhamad, and Zawani Amirah Rasid. "Virgin coconut oil dielectrical properties as electrical insulation material." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 1154–61. http://dx.doi.org/10.11591/eei.v8i3.1603.

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Mineral oil played an important role as insulating liquid such as to reduce failure, ageing effect, increase the life span and heat transfer agent. Mineral oil had a good dielectric strength and cooling performance but it had serious negative environmental impact like non-biodegradable, non-renewable resource and difficult to dispose when it deteriorates completely. Hence, virgin coconut oil (VCO) was chosen as alternative to replace mineral oil since it biodegrades completely without toxic and easy to get in the tropical country. Three dielectric tests were conducted to investigate the dielec

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29

El-Menyawy, E. M., I. T. Zedan, and A. M. Mansour. "Electrical Conductivity and Dielectrical Properties of Bulk Methylene Green." Journal of Electronic Materials 46, no. 7 (2017): 4353–58. http://dx.doi.org/10.1007/s11664-017-5414-z.

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30

Barreto, A. C. H., M. M. Costa, A. S. B. Sombra, et al. "Chemically Modified Banana Fiber: Structure, Dielectrical Properties and Biodegradability." Journal of Polymers and the Environment 18, no. 4 (2010): 523–31. http://dx.doi.org/10.1007/s10924-010-0216-x.

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31

Urbiztondo, M., S. Irusta, R. Mallada, M. P. Pina, and J. Santamaría. "Evaluation of optical and dielectrical properties of the zeolites." Desalination 200, no. 1-3 (2006): 601–3. http://dx.doi.org/10.1016/j.desal.2006.03.437.

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32

Siti, Syafiqah Mat Sauki, Asiah Muhamad Nor, and Amirah Rasid Zawani. "Virgin coconut oil dielectrical properties as electrical insulation material." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 1154–61. https://doi.org/10.11591/eei.v8i3.1603.

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Mineral oil played an important role as insulating liquid such as to reduce failure, ageing effect, increase the life span and heat transfer agent. Mineral oil had a good dielectric strength and cooling performance but it had serious negative environmental impact like non-biodegradable, non-renewable resource and difficult to dispose when it deteriorates completely. Hence, virgin coconut oil (VCO) was chosen as alternative to replace mineral oil since it biodegrades completely without toxic and easy to get in the tropical country. Three dielectric tests were conducted to investigate the dielec

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33

Bitenieks, Juris, Remo Merijs Meri, Janis Zicans, and Mārtiņš Kalniņš. "Characterization of Polyvinyl Acetate/Multi Walled Carbon Nanotube Nanocomposites." Key Engineering Materials 721 (December 2016): 13–17. http://dx.doi.org/10.4028/www.scientific.net/kem.721.13.

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Nanocomposite films from polyvinyl acetate (PVAc) dispersion and multi walled carbon nanotubes (MWCNTs) were prepared by solution casting technique. Stress-strain properties showed increase in elastic modulus and yield strength. Mechanical properties characterized by dynamic mechanical thermal analysis represented increase in storage modulus below glass transition temperature. Studied dielectrical properties of PVAc/MWCNT nanocomposites revealed formation of conductive MWCNT network in PVAc matrix.

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Spasović, Slavica, N. Paunović, D. Popović, and Jablan Dojčilović. "Infrared and Dielectrical Properties of SrTiO₃:Nd." Materials Science Forum 518 (July 2006): 471–76. http://dx.doi.org/10.4028/www.scientific.net/msf.518.471.

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Far-infrared reflection spectra and results of dielectric measurements of SrTiO3 single crystal doped by neodymium are presented in the paper. Dielectric investigations were conducted at temperature range from 25 K to room temperature for the test frequency 1MHz. The numerical analysis of the far-infrared reflection spectra made using a fitting procedure based on factorized form of the dielectric function. The results for SrTiO3: Nd are compared with those for pure crystal. The lowest-frequency phonon mode is found to be strongly influenced by presence of neodymium ions in SrTiO3 single crysta

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H., Shekhar, and S. Gupta G. "Dielectric behavior of poly vinyl alcohol in presence of lithium hydroxide." Journal of Indian Chemical Society Vol. 90, Aug 2013 (2013): 1207–10. https://doi.org/10.5281/zenodo.5787945.

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Department of Chemistry, V. K. S. University, Ara-802 301, Bihar, India <em>E-mail</em> : hshe2503@rediffmal.com Department of Chemistry, Mahatma Gandhi Chitrakut Gramodaya Vishwavidyalya, Chitrakoot-485 331, Madhya Pradesh, India <em>Manuscript received online 28 July 2012, revised 11 October, accepted 11 October 2013</em> Extensive studies on the electrical transport properties and its related phenomena due to the transfer of lithium ion in poly vinyl alcohol (PV A) complex have been reported. The complexed PV A has gained greater attention due to considerable change in the conducting behavi

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EL-Ghamaz, N., E. Gaml, and Hajar Abusnina. "Study on Structural and Dielectrical Properties of some Chloroquinoxaline Derivatives." Scientific Journal for Damietta Faculty of Science 10, no. 1 (2020): 37–44. http://dx.doi.org/10.21608/sjdfs.2020.194998.

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Frickel, Natalia, Anna Gutina Greenbaum, Moshe Gottlieb, and Annette M. Schmidt. "Magnetic Properties and Dielectrical Relaxation Dynamics in CoFe2O4@PU Nanocomposites." Journal of Physical Chemistry C 115, no. 22 (2011): 10946–54. http://dx.doi.org/10.1021/jp111348e.

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Hamza, Saidi, Asya Mhamdi, Walid Aloui, Abdelaziz Bouazizi, and Kamel Khirouni. "Effect of illumination on the dielectrical properties of P3HT:PC70BM nanocomposites." Materials Research Express 4, no. 5 (2017): 055003. http://dx.doi.org/10.1088/2053-1591/aa6ac1.

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Kaygili, Omer, Serhat Keser, Sergey V. Dorozhkin, et al. "Structural and Dielectrical Properties of Ag- and Ba-Substituted Hydroxyapatites." Journal of Inorganic and Organometallic Polymers and Materials 24, no. 6 (2014): 1001–8. http://dx.doi.org/10.1007/s10904-014-0074-4.

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Sanchis, Maria J., Belén Redondo-Foj, Marta Carsí, et al. "Controlling dielectrical properties of polymer blends through defined PEDOT nanostructures." RSC Advances 6, no. 66 (2016): 62024–30. http://dx.doi.org/10.1039/c6ra05597d.

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Yadav, S. P., S. S. Shinde, A. A. Kadam, and K. Y. Rajpure. "Structural, morphological, dielectrical, magnetic and impedance properties of Co1−xMnxFe2O4." Journal of Alloys and Compounds 555 (April 2013): 330–34. http://dx.doi.org/10.1016/j.jallcom.2012.12.089.

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Banjuraizah, Johar, Mohd Haziq Che Ani, and A. R. Mohamed. "Preparation and Structural Characterization of CaCu₃Ti₄O₁₂ Doped with Nickel, Ferrite, Manganese and Cobalt." Advanced Materials Research 893 (February 2014): 69–74. http://dx.doi.org/10.4028/www.scientific.net/amr.893.69.

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Transition metal oxide-doped CCTO (CaCu3Ti4O12) ceramics were prepared by a conventional solgel synthesis method and the effects of pure CCTO and CCTO doped with Mn, Fe, Co, Ni to the crystal structure, microstructures and dielectrical properties of samples were investigated. The phase composition and microstructure were studied by means of X-ray diffraction (XRD) and scanning electron microscopy (SEM). The XRD analysis reveals that all samples exhibited multiphases with the pseudo-perovskite cubic CCTO phase with space group Im-3 as the main phase in undoped and doped CCTO samples. Peaks of m

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Sundarabharathi, Lakshmanaperumal, Mahendran Chinnaswamy, Hemalatha Parangusan, Deepalekshmi Ponnamma, and Mariam Al Ali Al-Maadeed. "Cytocompatibility and Dielectric Properties of Sr2+ Substituted Nano-Hydroxyapatite for Triggered Drug Release." Frontiers in Advanced Materials Research 1, no. 1 (2019): 18–24. http://dx.doi.org/10.34256/famr1913.

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Hydroxyapatite (Ca5(PO4)3OH) is a well-known bioceramics material used in medical applications because of its ability to form direct chemical bonds with living tissues. In this context, we investigate the biocompatibility and dielectric properties of Sr2+-substituted hydroxyapatite nanoparticles were synthesized by sol-gel method. The influence of strontium on the crystal structure, functional group, morphological, electrical properties, and biocompatibility of as-synthesized nano-hydroxyapatite samples was analyzed using X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy

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Abd, Abeer. "Studying the mechanical and electrical properties of epoxy with PVC and calcium carbonate filler." International Journal of Engineering & Technology 3, no. 4 (2014): 545. http://dx.doi.org/10.14419/ijet.v3i4.3425.

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In the present research composite material was prepared from epoxy and PVC reinforced with calcium carbonate as a filler material with different percent weight ratios (0.6,1.2,1.8 and 2.4) g.The effect of different weight ratios of calcium carbonate particles and PVC different content on electrical permittivity , dielectrical loss constant, hardness ,young modulus and compression strength were studied. Electrical properties of these composites were investigated by using Fourier transform infrared spectroscopy (FTIR) to study the bonds which enhanced the insulating properties of epoxy material

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Khan, K., and Ashari Maqsood. "Electrical, Dielectrical and Magnetic Properties of Zr-Mn Doped Nano-Ferrites." Key Engineering Materials 510-511 (May 2012): 301–6. http://dx.doi.org/10.4028/www.scientific.net/kem.510-511.301.

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We measured the dc electrical resistivity as a function of temperature and dielectric parameters in the frequency range 100 Hz to 3 MHz of nanosized Zr-Mn spinel ferrites with nominal composition CoFe2-2xZrxMnxO4(0.1x0.4). The dc electrical resistivity decreased with the rise in temperature for all the samples, showing a semiconductor like behavior. From the dc electrical resistivity the activation energy and drift mobility are determined. Both the drift mobility and activation energy increase with a rise inx. The dielectric constant, dielectric (losses) and ac electrical resistivity as a func

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Ionete, Eusebiu Ilarian, Artur Visse, Radu Dorin Andrei, Mirela Irina Petreanu, Stefan Ionut Spiridon, and Roxana Elena Ionete. "Electrical and Dielectrical Properties of Composites Based on Alumina and Cyclic Olefin Copolymers." Materials 17, no. 21 (2024): 5349. http://dx.doi.org/10.3390/ma17215349.

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Understanding the performance of polymer dielectrics at different temperatures is becoming increasingly important due to the rapid development of electric cars, electromagnetic devices, and new energy production solutions. Cyclic olefin copolymers (COCs) are an attractive material due to their low water absorption, good electrical insulation, long-term stability of surface treatments, and resistance to a wide range of acids and solvents. This work focused on the dielectric and electrical properties of cyclic olefin copolymer (COC)/Al2O3 composites over a wide range of temperature and frequency

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Najeeb, Hussein Neama. "Dielectrical and Electrical Properties of Polystyrene films Doped with Copper Sulfate." University of Thi-Qar Journal of Science 4, no. 4 (2014): 181–86. http://dx.doi.org/10.32792/utq/utjsci/v4i4.689.

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The electrical characteristics of polystyrene doped with different concentrations (0,1,2,3,and 4wt%) of Copper Sulfate CuSO4.5H2O powder were studied . The films are prepared using solution casting technique, in order to investigate the effect of Copper Sulfate CuSO4.5H2O additions on the electrical properties of PS host. The D.C conductivity measured by measuring the D.C electrical resistance using the( Keithly Electrometer type 616C), and for different temperatures ranging from (30 – 80)oC . The dielectric properties measured by measuring the capacitor and the loss angle tangent as a functio

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Aristizabal, M. E., J. Eiras, D. Garcia, and F. A. Londoño. "Structural, microstructural and dielectrical properties of Yb doped PLMN-13PT ceramics." Ferroelectrics 545, no. 1 (2019): 141–49. http://dx.doi.org/10.1080/00150193.2019.1626655.

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Orliukas, A. F., E. Kazakevicius, A. Kezionis, et al. "Preparation, electric conductivity and dielectrical properties of Cu6PS5I-based superionic composites." Solid State Ionics 180, no. 2-3 (2009): 183–86. http://dx.doi.org/10.1016/j.ssi.2008.12.005.

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Costa, L. C., F. Henry, M. A. Valente, S. K. Mendiratta, and A. S. Sombra. "Electrical and dielectrical properties of the percolating system polystyrene/polypyrrole particles." European Polymer Journal 38, no. 8 (2002): 1495–99. http://dx.doi.org/10.1016/s0014-3057(02)00044-7.

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