Ping-an Yang , Rui Cai , Haibo Ruan , Nanqing Zhang , Xin Huang , Rui Li , Yuxin Zhang , Yi Lu , Zhihao Zhou
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引用次数: 0
摘要
利用表面改性技术控制材料的制备一直是研究热点。本文基于原位还原法，将 0 维 Co 纳米颗粒锚定在 1 维 Fe 纳米线上，成功制备了一维（1D）核壳结构的 Fe@Co 纳米线（NWs）。测试了填料质量分数为 25 wt% 时试样的电磁参数，并深入分析了微波损耗机理。核壳结构中的二元磁性金属具有优异的多波段微波吸收能力（S 波段、X 波段和 Ku 波段）。这是由于异质界面和磁耦合效应调整了介电和磁损耗。这项研究为制造有效的多波段磁性金属基微波吸收器提供了可行的方案。
Bimagnetic metal constructed core-shell structure of Fe@Co nanowires for multi-band microwave absorption
Controlled fabrication of materials by surface modification techniques has been a hot research topic. In this paper, one-dimensional (1D) core-shell structure Fe@Co nanowires (NWs) were successfully prepared by anchoring 0-dimensional (0D) Co nanoparticles on 1D Fe NWs based on the in situ reduction method. The electromagnetic parameters of the specimens at a filler mass fraction of 25 wt% were tested and the microwave loss mechanism was deeply analyzed. Binary magnetic metals in a core-shell structure have excellent multi-band microwave absorption capability (S-band, X-band and Ku-band). This is due to the heterogeneous interface and magnetic coupling effects tuning the dielectric and magnetic loss. This study offers a workable plan for creating effective multi-band magnetic metal-based microwave absorbers.
期刊介绍：
Progress in Natural Science: Materials International provides scientists and engineers throughout the world with a central vehicle for the exchange and dissemination of basic theoretical studies and applied research of advanced materials. The emphasis is placed on original research, both analytical and experimental, which is of permanent interest to engineers and scientists, covering all aspects of new materials and technologies, such as, energy and environmental materials; advanced structural materials; advanced transportation materials, functional and electronic materials; nano-scale and amorphous materials; health and biological materials; materials modeling and simulation; materials characterization; and so on. The latest research achievements and innovative papers in basic theoretical studies and applied research of material science will be carefully selected and promptly reported. Thus, the aim of this Journal is to serve the global materials science and technology community with the latest research findings.
As a service to readers, an international bibliography of recent publications in advanced materials is published bimonthly.
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