Abstract：
:We report the thermal annealing-induced formation of ring-like structure of Zn(II)-doped magnetite from iron alkoxide leaf-like nanoplate precusor. The phase, structure and morphology of magnetite nanorings were comprehensively characterized by powder X-ray diffraction, X-ray photoelectron spectroscopy, atomic force microscope, scanning electron microscope, and transmission electron microscope. The obtained Zn(II)-doped magnetite nanorings are of 13-20 nm in edge width, 70-110 nm in short axis length and 100-150 nm in long axis length. The growth mechanism was possibly due to a combined effect of decomposition of the organic component and diffusion growth. Zn(II)-doped magnetite nanorings delivered saturation magnetization of 66.4 emu/g and coercivity of 33 Oe at room temperature. In addition, the coatings containing Zn(II)-doped magnetite nanorings as fillers exhibit excellent microwave absorption properties with a maximum reflection loss of -40.4 dB and wide effective absorbing band obtained in coating with thin thickness of 1.50 mm.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Yang S,Jiang JT,Xu CY,Wang Y,Xu YY,Cao L,Zhen Ldoi
10.1038/srep45480subject
Has Abstractpub_date
2017-04-03 00:00:00pages
45480issn
2045-2322pii
srep45480journal_volume
7pub_type
杂志文章abstract：:Studies suggest that chromium deficiency is associated with elevated levels of fasting blood glucose, circulating insulin, cholesterol and triglycerides, and decreased proportion of lean body mass. However, data directly relating chromium levels to metabolic syndrome (MetS) risk are lacking. A total of 3,648 American ...
journal_title：Scientific reports
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pub_type： 杂志文章
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pub_type： 杂志文章,随机对照试验
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journal_title：Scientific reports
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