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In-situ fabrication of Fe@ZrO2 nanochains for the heat-resistant electromagnetic wave absorber
Javid, Muhammad1; Zhou, Yuanliang1; Zhou, Tianhong1; Wang, Dongxing1; Zhou, Lei1; Shah, Asif1; Duan, Yuping1; Dong, Xinglong1; Zhang, Zhidong2
Corresponding AuthorDong, Xinglong(dongxl@dlut.edu.cn)
2019-05-01
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume242Pages:199-202
AbstractNovel microwave absorber of Fe@ZrO2 nanocapsules chains has been fabricated by the one-step process of arc discharge plasma. The Fe@ZrO2 nanochains exhibit a saturation magnetization (M-s) of 188 emu/g and a coercivity of 253 Oe. It is found that the high dielectric ZrO2 shell (epsilon(r) approximate to 14 in bulk) has less interference on intrinsic magnetism of the Fe core, which favors to build up a strong magnetic/dielectric coupling within the core@shell type Fe@ZrO2 nanocapsules. The Fe@ZrO2 nanochains are stable up to similar to 437 degrees C in the air, implying its higher anti-oxidization ability in a severe environment. The minimum reflection loss (RL) value of Fe@ZrO2 nanochains reaches to -45.36 dB in a thickness of 3 mm, and the frequency band covers 10.0-18.0 GHz with RLs less than -10 dB in a thickness of 1.5 mm. The excellent microwave absorption ability is attributed to the high magnetic/dielectric losses from multi-resonances and interfacial polarization, as well a proper matching between electromagnetic phases. This work may provide inspiration and insight into the combination of highly stable ceramics and metallic components within an encapsulated nanostructure. Also, it would be an effective route for designing and exploiting novel high-temperature microwave absorbers. (C) 2019 Elsevier B.V. All rights reserved.
KeywordFe@ZrO2 Nanocomposite Dielectric Defects Microwave absorption
Funding OrganizationNational Natural Science Foundations of China
DOI10.1016/j.matlet.2019.01.053
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundations of China[51331006] ; National Natural Science Foundations of China[51271044]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000459869900051
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/132094
Collection中国科学院金属研究所
Corresponding AuthorDong, Xinglong
Affiliation1.Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Mat Modificat Laser Ion & Electron Beams, Minist Educ, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Int Ctr Mat Phys, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
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Javid, Muhammad,Zhou, Yuanliang,Zhou, Tianhong,et al. In-situ fabrication of Fe@ZrO2 nanochains for the heat-resistant electromagnetic wave absorber[J]. MATERIALS LETTERS,2019,242:199-202.
APA Javid, Muhammad.,Zhou, Yuanliang.,Zhou, Tianhong.,Wang, Dongxing.,Zhou, Lei.,...&Zhang, Zhidong.(2019).In-situ fabrication of Fe@ZrO2 nanochains for the heat-resistant electromagnetic wave absorber.MATERIALS LETTERS,242,199-202.
MLA Javid, Muhammad,et al."In-situ fabrication of Fe@ZrO2 nanochains for the heat-resistant electromagnetic wave absorber".MATERIALS LETTERS 242(2019):199-202.
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