Excellent microwave absorption of FeCo/ZnO composites with defects in ZnO for regulating the impedance matching
文献类型：期刊论文
| 作者 | Bao, XK; Wang, XL; Zhou, XA; Shi, GM; Xu, G; Yu, J; Guan, YY; Zhang, YJ; Li, D2; Choi, CJ |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2018-11-15 |
| 卷号 | 769页码:512-520 |
| ISSN号 | 0925-8388 |
| 关键词 | FeCo/ZnO Defect Dielectric loss Impedance matching Microwave absorption |
| DOI | 10.1016/j.jallcom.2018.08.036 |
| 英文摘要 | FeCo/ZnO composites have been successfully prepared through liquid-phase reduction process for the formation of FeCo polyhedrons and sequentially thermal decomposition of colloidal mixture of FeCo and Zn(Ac)(2)center dot 2H(2)O under nitrogen atmospheres. ZnO nanoparticles are homogeneously deposited on the surface of FeCo polyhedrons and the level of oxygen-vacancy defects in ZnO can be elevated with the increase of ZnO content. By comparison with FeCo polyhedrons, FeCo/ZnO composites exhibit excellent microwave absorption. The optimal RL value can reach -34.8 dB at 14.8 GHz and effective bandwidth (RL < - 10 dB) is 5.1 GHz in the frequency range of 12.4-17.5 GHz with a matching thickness of 1.5 mm. The integrated bandwidth with RL < - 10 dB can reach 14.1 GHz covering 3.4-17.5 GHz. Theory analysis demonstrates the interfacial polarization, dipole polarization and high conductivity due to oxygen-vacancy defects in FeCo/ZnO composites contribute to enhancement of dielectric loss capacity, which is more favorable for impedance matching. (C) 2018 Elsevier B.V. All rights reserved. |
| 学科主题 | Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000449481200061 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/79821]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 作者单位 | 1.Shenyang Univ Technol, Sch Sci, Dept Chem & Environm, Shenyang 110870, Liaoning, Peoples R China 2.Shenyang Univ Chem Technol, Coll Chem Engn, Shenyang 110142, Liaoning, Peoples R China 3.Chinese Acad Sci, Int Ctr Mat Phys, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China 4.Korea Inst Mat Sci, 797 Changwondaero, Chang Won 51508, Gyeongnam, South Korea |
| 推荐引用方式 GB/T 7714 | Bao, XK,Wang, XL,Zhou, XA,et al. Excellent microwave absorption of FeCo/ZnO composites with defects in ZnO for regulating the impedance matching[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,769:512-520. |
| APA | Bao, XK.,Wang, XL.,Zhou, XA.,Shi, GM.,Xu, G.,...&Choi, CJ.(2018).Excellent microwave absorption of FeCo/ZnO composites with defects in ZnO for regulating the impedance matching.JOURNAL OF ALLOYS AND COMPOUNDS,769,512-520. |
| MLA | Bao, XK,et al."Excellent microwave absorption of FeCo/ZnO composites with defects in ZnO for regulating the impedance matching".JOURNAL OF ALLOYS AND COMPOUNDS 769(2018):512-520. |
入库方式： OAI收割
来源：金属研究所
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