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Journal of Nanoparticle Research

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01-07-2013 | Research Paper

Structural architecture and magnetism control of metal oxides using surface grafting techniques

Authors: Xueyan Du, Ying Yao, Jingbo Liu

Published in: Journal of Nanoparticle Research | Issue 7/2013

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Abstract

Hydrophilic iron oxide Fe₃O₄ nanoparticles (NPs) were prepared by a reverse micro-emulsion method. Functionalization of Fe₃O₄ NPs was then carried out via surface graft polymerization to achieve outstanding magnetic property. Characterization results indicate that grafted core–shell Fe₃O₄ displayed inverse spinel crystalline structure, while particle size and it’s distribution were controlled accordingly. The ferromagnetic behavior (60 A m²kg⁻¹) of grafted Fe₃O₄ NPs was restored close to bulk value through enhancement of Fe–O ionic bond.

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Title: Structural architecture and magnetism control of metal oxides using surface grafting techniques
Authors: Xueyan Du
Ying Yao
Jingbo Liu
Publication date: 01-07-2013
Publisher: Springer Netherlands
Published in: Journal of Nanoparticle Research / Issue 7/2013
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-013-1731-1

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