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Effect of SiO2 coating on the magnetic properties of Ni-Zn ferrite
Zhou, Bo1; Liu, Zhiguo1; Wang, Xianjie1; Sui, Yu1; Huang, Xiqiang1; Lue, Zhe1; Su, Wenhui1,2
Corresponding AuthorLiu, Zhiguo(liuzhiguo@hit.edu.cn)
2010
Source PublicationPHYSICA B-CONDENSED MATTER
ISSN0921-4526
Volume405Issue:1Pages:374-378
AbstractThe Ni-Zn ferrite/SiO2 nanocomposites (ZNF/SiO2 NCs) with core-shell structure were synthesized using Stober method and a modified one. The core-shell structure was confirmed by transmission electron spectroscopy (TEM). The product obtained by modified Stober method was more uniform than by Stober method. The strength of dipole-dipole interaction between Ni-Zn nanoparticles decreases and the coordination of surface atoms increases due to surface modification. The decrease of blocking temperature and coercivity of the magnetic particles at low temperature can be attributed to the coating Of SiO2, which weakens the surface spin disorder of magnetic nanoparticles. (C) 2009 Elsevier B.V. All rights reserved.
KeywordNi-Zn ferrite Stober method Core-shell nanocomposites Magnetism
Funding OrganizationNational Natural Science Foundation of China ; Development Program of outstanding Young Teachers in Harbin Institute of Technology
DOI10.1016/j.physb.2009.08.087
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[10504005] ; National Natural Science Foundation of China[10674034] ; Development Program of outstanding Young Teachers in Harbin Institute of Technology[HITQNJS.2006.059]
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000273091800071
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/321006/101061
Collection中国科学院金属研究所
Corresponding AuthorLiu, Zhiguo
Affiliation1.Harbin Inst Technol, Ctr Condensed Matter Sci & Technol, Dept Phys, Harbin 150080, Peoples R China
2.Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Bo,Liu, Zhiguo,Wang, Xianjie,et al. Effect of SiO2 coating on the magnetic properties of Ni-Zn ferrite[J]. PHYSICA B-CONDENSED MATTER,2010,405(1):374-378.
APA Zhou, Bo.,Liu, Zhiguo.,Wang, Xianjie.,Sui, Yu.,Huang, Xiqiang.,...&Su, Wenhui.(2010).Effect of SiO2 coating on the magnetic properties of Ni-Zn ferrite.PHYSICA B-CONDENSED MATTER,405(1),374-378.
MLA Zhou, Bo,et al."Effect of SiO2 coating on the magnetic properties of Ni-Zn ferrite".PHYSICA B-CONDENSED MATTER 405.1(2010):374-378.
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