Academic literature on the topic 'Magneto-dielectric Properties - Nanocomposites'

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Journal articles on the topic "Magneto-dielectric Properties - Nanocomposites"

1

Yang, Ta-I., Rene N. C. Brown, Leo C. Kempel, and Peter Kofinas. "Magneto-dielectric properties of polymer– nanocomposites." Journal of Magnetism and Magnetic Materials 320, no. 21 (2008): 2714–20. http://dx.doi.org/10.1016/j.jmmm.2008.06.008.

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2

Ivkov, Sergey A., Konstantin A. Barkov, Evelina P. Domashevskaya, et al. "Nonlinear Transport and Magnetic/Magneto-Optical Properties of Cox(MgF2)100-x Nanostructures." Applied Sciences 13, no. 5 (2023): 2992. http://dx.doi.org/10.3390/app13052992.

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The aim of this work was to comprehensively study the effect of the variable atomic composition and structural-phase state of Cox(MgF2)100-x nanocomposites on their nonlinear transport and magnetic/magneto-optical properties. Micrometer-thick nanocomposite layers on glass substrates were obtained by means of ion-beam sputtering of a composite target in the argon atmosphere in a wide range of compositions (x = 16–59 at.%). Using a low metal content in the nanocomposite, magnesium fluoride was kept in the nanocrystalline state. As the metal content increased, nanocrystalline cobalt was formed. T
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3

Sanida, A., S. G. Stavropoulos, Th Speliotis, and G. C. Psarras. "Magneto-Dielectric Behaviour of M-Type Hexaferrite/Polymer Nanocomposites." Materials 11, no. 12 (2018): 2551. http://dx.doi.org/10.3390/ma11122551.

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In the present study two sets of nanocomposites consisting of an epoxy resin and BaFe12O19 or SrFe12O19 nanoparticles were successfully developed and characterized morphologically and structurally via scanning electron microscopy and X-ray diffraction spectra. The dielectric response of the nanocomposites was investigated by means of broadband dielectric spectroscopy and their magnetic properties were derived from magnetization tests. Experimental data imply that the incorporation of the ceramic nanoparticles enhances significantly the dielectric properties of the examined systems and their ab
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4

Rana, Dhiraj Kumar, Suresh Kumar Singh, Shovan Kumar Kundu, Subir Roy, S. Angappane, and Soumen Basu. "Electrical and room temperature multiferroic properties of polyvinylidene fluoride nanocomposites doped with nickel ferrite nanoparticles." New Journal of Chemistry 43, no. 7 (2019): 3128–38. http://dx.doi.org/10.1039/c8nj04755c.

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5

Veeramani, T., C. VENKATARAJU, V. PORKALAI, and R. SAGAYARAJ. "Effect of ZnO on the Structural and Magnetodielectric Properties of MgFe2O4 Nanocomposite Prepared by Sol-Gel Method." Asian Journal of Chemistry 35, no. 9 (2023): 2069–77. http://dx.doi.org/10.14233/ajchem.2023.28041.

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Zinc oxide doped magnesium ferrite (Mg1-xZnxFe2O4) nanocomposite was synthesized using sol-gel method and demonstrated to have a cubic spinel structure, with a range of crystallite sizes (19-40 nm) and lattice constants (8.432-8.399 Å). The material was found to have two prominent vibrational modes for tetrahedral (446 cm–1) and octahedral (584 cm–1). The dielectric constant was higher at low frequencies and decreased at higher frequencies, while the saturation magnetization decreased (16 to 6 emu/g) gradually with an increase in Zn2+, likely due to the presence of non-magnetic Zn2+. The magne
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6

Sanida, Aikaterini, Sotirios G. Stavropoulos, Thanassis Speliotis, and Georgios C. Psarras. "Investigating the Effect of Zn Ferrite Nanoparticles on the Thermomechanical, Dielectric and Magnetic Properties of Polymer Nanocomposites." Materials 12, no. 18 (2019): 3015. http://dx.doi.org/10.3390/ma12183015.

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In this study nanocomposites consisting of an epoxy resin and ceramic zinc ferrite nanoparticles have been successfully developed and investigated morphologically and structurally by means of scanning electron microscopy (SEM) images and X-ray diffraction (XRD) spectra. The thermal properties of the nanocomposites were studied via differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The thermomechanical characterization of the fabricated nanocomposites was studied via dynamic mechanical analysis (DMA) and the magneto-dielectric response was assessed by means of a broad
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7

Yashin, M. M., and H. B. Mirzokulov. "Symmetrized Maxwell–Garnett Approximation as an Effective Method for Studying Nanocomposites." Russian Technological Journal 7, no. 4 (2019): 92–100. http://dx.doi.org/10.32362/2500-316x-2019-7-4-92-100.

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The symmetrized Maxwell-Garnett (SMG) approximation is considered as the most optimal method of an effective medium for the description of nanocomposite structures. This approximation takes into account the microstructure of the sample, which makes it possible to calculate the metal-dielectric system. Thus, SMG describes with good accuracy the structure of the nanocomposite. Besides, this approximation is applicable for granular alloys consisting of metal components. As a result, this technique can be considered as a universal approximation to describe a wide class of nanostructured materials.
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8

Ganshina, Elena Alexandrovna, Vladimir Valentinovich Garshin, Ilya Mikhailovich Pripechenkov, Sergey Alexandrovich Ivkov, Alexander Victorovich Sitnikov, and Evelina Pavlovna Domashevskaya. "Effect of Phase Transformations of a Metal Component on the Magneto-Optical Properties of Thin-Films Nanocomposites (CoFeZr)x (MgF2)100−x." Nanomaterials 11, no. 7 (2021): 1666. http://dx.doi.org/10.3390/nano11071666.

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The results of complex studies of structural-phase transformations and magneto-optical properties of nanocomposites (CoFeZr)x (MgF2)100−x depending on the metal alloy content in the dielectric matrix are presented. Nanocomposites were deposited by ion-beam sputtering onto glass and glass-ceramic substrate. By studying the spectral and field dependences of the transversal Kerr effect (TKE), it was found that the transition of nanocomposites from superparamagnetic to the ferromagnetic state occurs in the region of xfm~30 at%, that corresponds to the onset the formation of ferromagnetic nanocryst
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9

Bajpai, O. P., J. B. Kamdi, M. Selvakumar, S. Ram, D. Khastgir, and S. Chattopadhyay. "Effect of surface modification of BiFeO3 on the dielectric, ferroelectric, magneto-dielectric properties of polyvinylacetate/BiFeO3 nanocomposites." Express Polymer Letters 8, no. 9 (2014): 669–81. http://dx.doi.org/10.3144/expresspolymlett.2014.70.

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10

Domashevskaya, Evelina P., Sergey A. Ivkov, Pavel V. Seredin, et al. "Nonlinear Electromagnetic Properties of Thinfilm Nanocomposites (CoFeZr)x(MgF2)100−x." Magnetochemistry 9, no. 6 (2023): 160. http://dx.doi.org/10.3390/magnetochemistry9060160.

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The aim of this work is a comprehensive study of the effect of variable atomic composition and structural-phase state of (CoFeZr)x(MgF2)100−x nanocomposites (NCs) on their nonlinear electronic and magnetic/magneto-optical properties. Micrometer-thick nanocomposite layers on the glass substrates were obtained by ion-beam sputtering of a composite target in the argon atmosphere in a wide range of compositions x = 9–51 at·%. The value of the resistive percolation threshold, xper = 34 at·%, determined from the concentration dependencies of the electrical resistance of NCs, coincides with the begin
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