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Publikováno v:
Journal of Magnetism and Magnetic Materials. 475:223-228
M-type barium hexaferrite (BaM) of composition BaZn0.6Sn0.6Fe10.8O19 was successfully synthesized through a ceramic process. Sintering aids Bi2O3·B2O3·SiO2·ZnO (BBSZ) were added to lower the sintering temperature. The formation of pure M phase for
Autor:
Wang Xiaoming, Junming Zhang, Liang Qiao, Benfang Duan, Guowu Wang, Peng Wang, Tao Wang, Fashen Li
Publikováno v:
Journal of Magnetism and Magnetic Materials. 468:193-199
In this study, thin Pr2Co17 flakes fractured along c crystal plane are successfully prepared by a surfactant-assisted high energy ball-milling technology and then oxidized by hydrogen peroxide (H2O2). The complex permittivity and permeability of the
Publikováno v:
Journal of Magnetism and Magnetic Materials. 465:540-545
In the present study, U-type barium hexagonal ferrite (Ba4Co2Fe36O60) powder was synthesized by solid state reaction route. The synthesized ferrite powder was further transformed into a series of toroidal shaped ferrite-epoxy composites with differen
Publikováno v:
Journal of Magnetism and Magnetic Materials. 458:116-122
In order to enhance the microwave-absorbing and shielding properties of the composites, the flaky FeSiAl particles embedded in an epoxy polymer were aligned with a two-dimensional rotating magnetic field. The morphologies, electromagnetic (EM) charac
Publikováno v:
Journal of Magnetism and Magnetic Materials. 452:5-9
Three inorganic-organic hybrids have been designed by incorporating epoxy-modified silicone resin (ESR) with SiO2, Fe3O4 and their mixture in the application as the coating of Fe soft magnetic composites (SMCs). The introduced SiO2 nanoparticles are
Publikováno v:
Journal of Magnetism and Magnetic Materials. 438:138-143
This paper focuses on improving the permeability of Fe-Si-B based amorphous magnetic powder cores by addition of micron-sized ferromagnetic crystalline metal particles (Permalloy). The effects of Permalloy content, size and the amount of insulation o
Publikováno v:
Journal of Magnetism and Magnetic Materials. 501:166410
Ni0.4Zn0.6Fe2O4/Pb(Zr0.53Ti0.47)O3 (NZFO/PZT), BaFe12O19/Pb(Zr0.53Ti0.47)O3 (BaM/PZT) and BaFe12O19/Ba0.6Sr0.4TiO3 (BaM/BST) composite ceramics were fabricated by a conventional sintering method. Their magnetic and electrical properties are compared
Publikováno v:
Journal of Magnetism and Magnetic Materials. 499:166273
Frequency dispersion of RF complex permeability of Ni-Cu-Zn ferrites prepared under different amplitudes and durations of applied hydraulic pressure have been thoroughly investigated. The Ni0.35Cu0.19Zn0.46Fe2O4 ferrites were prepared by conventional
Autor:
Min-Hyeok Park, Young-Min Kang
Publikováno v:
Journal of Magnetism and Magnetic Materials. 491:165628
Zn-substituted Z-type Sr hexaferrites (Sr3Co2−xZnxFe24O41, x = 0, 0.5, 1.0, 1.5) were prepared by solid-state reaction routes. The magnetic and high-frequency properties of the sintered bodies and powder–epoxy composites were studied. Almost-sing
Publikováno v:
Journal of Magnetism and Magnetic Materials. 490:165532
The surface modification effects on the corrosion resistance and electromagnetic properties of iron-based soft magnetic composites (SMCs) were investigated in this study. Sodium stearate surface modification improved the mixing compatibility between