Zobrazeno 1 - 10
of 861
pro vyhledávání: '"magnetic loss"'
Autor:
Weijia Luo, Shun Wang, Siyong Zheng, Jining Li, Menglong Wang, Yongzheng Wen, Lingxia Li, Ji Zhou
Publikováno v:
Journal of Advanced Ceramics, Vol 13, Iss 8, Pp 1189-1197 (2024)
In the upcoming 6-generation (6G) revolution, the achievement of low power consumption has become a key objective in research concerning terahertz devices. As an important component of passive devices, there are very few low-loss dielectric ceramics
Externí odkaz:
https://doaj.org/article/eedc4d5ee10f483c80ebc65d93571f92
Autor:
Mengqiu Huang, Bangxin Li, Yuetong Qian, Lei Wang, Huibin Zhang, Chendi Yang, Longjun Rao, Gang Zhou, Chongyun Liang, Renchao Che
Publikováno v:
Nano-Micro Letters, Vol 16, Iss 1, Pp 1-15 (2024)
Highlights Metal–organic frameworks-derived CoNiM@C (M = Cu, Zn, Fe, Mn) microspheres were successfully fabricated with custom-built magnetic alloy-carbon heterogeneous interfaces. Flower-like CoNiMn@C microspheres achieve broadband electromagnetic
Externí odkaz:
https://doaj.org/article/9a54b838186f49fa9a16f64da3b32db6
Synthesis of Air@Co@Co7Fe3@Fe3O4 composite with enhanced electromagnetic wave absorption performance
Autor:
Hong Li, Hongyang Li, Fengxian Zhou, Bo Sheng, Sujun Shi, Yongjie Zhao, Weiwei Chen, Xiuchen Zhao, Ying Liu
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 2282-2290 (2024)
Electromagnetic pollution prevention and military stealth technology requirements for wave absorbing materials gradually increased, therefore, the research and development of absorbing materials with the merits of low reflection loss, wide effective
Externí odkaz:
https://doaj.org/article/4eda5b2178074132ab90a41ea1ba029e
Autor:
A. M. Faramawy, H. M. El-Sayed
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract In this work, core/shell of CuFe2O4/ZnFe2O4 nanostructure composite was prepared by hydrothermal method. X-ray diffraction (XRD) analysis, transmission electron microscope imaging, energy dispersive X-ray (EDX), and Fourier transform infrare
Externí odkaz:
https://doaj.org/article/699c18eba9794e1294320c05c0ce0d18
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 2699-2713 (2024)
In this study, W-type hexagonal ferrite BaCo1.2Zn0.8Fe16O27 (BCZF) was synthesized via solid-state sintering and V2CTx-MXene was chemically etched from its V2AlC MAX phase. Subsequently, BCZF and V2CTx composites were synthesized by hydrothermal inte
Externí odkaz:
https://doaj.org/article/584eb3f00bfb4e7b813f8dc28527477e
Publikováno v:
Magnetism, Vol 3, Iss 2, Pp 121-134 (2023)
Integration of the ferrite devices in the RF front-end and active antennas is hindered by the need for external magnets, biasing soft microwave ferrites. The hexaferrite-based self-biased nonreciprocal devices can operate without external magnets at
Externí odkaz:
https://doaj.org/article/7273b72034104b4086a45f1fc3974f8c
Publikováno v:
Chimica Techno Acta, Vol 10, Iss 3 (2023)
The magnetic properties of Mn-Zn ferrites depend strongly on the microstructure, chemical and phase composition. In this paper the effect of synthesis and sintering conditions on the structure, phase composition and properties of Mn-Zn ferrites is in
Externí odkaz:
https://doaj.org/article/99ba6490bb89414d8b1f16830a814b52
Publikováno v:
IEEE Open Journal of the Industrial Electronics Society, Vol 4, Pp 316-327 (2023)
Typically, the core loss of transformers is considered constant, regardless of the load conditions on the secondary side. However, this assumption is no longer valid for high-frequency transformers (HFTs). This article reveals that different load con
Externí odkaz:
https://doaj.org/article/96e90be9eaae496fa18b5b5e97b233a5
Publikováno v:
Fractal and Fractional, Vol 8, Iss 3, p 176 (2024)
Grain-oriented silicon steel (GO FeSi) laminations are vital components for efficient energy conversion in electromagnetic devices. While traditionally optimized for power frequencies of 50/60 Hz, the pursuit of higher frequency operation (f ≥ 200
Externí odkaz:
https://doaj.org/article/b997232be2ce4b1f861762e63d9d7f02
Autor:
Lei Wang, Mengqiu Huang, Ke Pei, Wenbin You, Biao Zhao, Limin Wu, Chongyun Liang, Jincang Zhang, Renchao Che
Publikováno v:
Advanced Powder Materials, Vol 2, Iss 3, Pp 100111- (2023)
Magnetic domain structure plays an important role in regulating the electromagnetic properties, which dominates the magnetic response behaviors. Herein, unique magnetic vortex domain is firstly obtained in the Ni nanoparticles (NPs) reduced from the
Externí odkaz:
https://doaj.org/article/11286a05d2c64aec9ac89418e27a78e4