Nonpolar Solvothermal Fabrication and Electromagnetic Properties of Magnetic Fe3O4 Encapsulated Semimetal Bi Nanocomposites

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	Nonpolar Solvothermal Fabrication and Electromagnetic Properties of Magnetic Fe3O4 Encapsulated Semimetal Bi Nanocomposites
	J. H. Wang; H. Wang; J. J. Jiang; W. J. Gong; D. Li; Q. Zhang; X. G. Zhao; S. Ma; Z. D. Zhang
	2012
发表期刊	Crystal Growth & Design
ISSN	1528-7483
卷号	12 期号:7 页码:3499-3504
摘要	Magnetic Fe3O4 nanoparticles (NPs) encapsulated semimetal Bi nanocomposites were fabricated by a solvothermal method based on the nonpolar 1-octadecene. Bi and Fe ions were introduced into the oil phase by the complex with sodium oleate in the as-prepared solution. The nanocomposites were oil soluble and dispersed well in any nonpolar solution with the surface modification of oleic acid. It is argued that hydroxyl groups as the reductant induce the formation of Bi microspheres and prevent Fe3O4 NPs from oxidation. The frequency dependence of complex permittivity and permeability indicates that Bi and interface polarization of Bi/Fe3O4 nanocomposites are responsible for the dielectric resonances, and superparamagnetic Fe3O4 NPs weaken the natural resonance.
部门归属	[zhang, zhidong] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china.;zhang, zd (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china.;zdzhang@imr.ac.cn
关键词	Growth-mechanism Shell Bismuth
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/60292
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	J. H. Wang,H. Wang,J. J. Jiang,et al. Nonpolar Solvothermal Fabrication and Electromagnetic Properties of Magnetic Fe3O4 Encapsulated Semimetal Bi Nanocomposites[J]. Crystal Growth & Design,2012,12(7):3499-3504.
APA	J. H. Wang.,H. Wang.,J. J. Jiang.,W. J. Gong.,D. Li.,...&Z. D. Zhang.(2012).Nonpolar Solvothermal Fabrication and Electromagnetic Properties of Magnetic Fe3O4 Encapsulated Semimetal Bi Nanocomposites.Crystal Growth & Design,12(7),3499-3504.
MLA	J. H. Wang,et al."Nonpolar Solvothermal Fabrication and Electromagnetic Properties of Magnetic Fe3O4 Encapsulated Semimetal Bi Nanocomposites".Crystal Growth & Design 12.7(2012):3499-3504.