Cobalt-Substituted Magnetite Nanoparticles and Their Assembly into Ferrimagnetic Nanoparticle Arrays

Cobalt-Substituted Magnetite Nanoparticles and Their Assembly into Ferrimagnetic Nanoparticle Arrays

A simple process to prepare monodisperse ferrimagnetic cobalt‐substituted magnetite CoxFe3‐xO4 nanoparticles is reported. These ferrimagnetic nanoparticles are readily dispersed in hexane, forming a stable ferrimagnetic nanoparticle dispersion, and allowing easy nanoparticle self‐assembly. When asse...

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Bibliographic Details
Published in:Advanced materials (Weinheim) Vol. 25; no. 22; pp. 3090 - 3094
Main Authors: Yu, Yongsheng, Mendoza-Garcia, Adriana, Ning, Bo, Sun, Shouheng
Format: Journal Article
Language:English
Published: Weinheim WILEY-VCH Verlag 11-06-2013
WILEY‐VCH Verlag
Subjects:
Arrays
Assembly
cobalt substitution
Dispersions
ferrimagnetic nanoparticles
Ferrimagnetism
Hexanes
magnetic orientation
Magnetite
magnetite nanoparticles
Nanoparticles
Self assembly
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Summary:A simple process to prepare monodisperse ferrimagnetic cobalt‐substituted magnetite CoxFe3‐xO4 nanoparticles is reported. These ferrimagnetic nanoparticles are readily dispersed in hexane, forming a stable ferrimagnetic nanoparticle dispersion, and allowing easy nanoparticle self‐assembly. When assembled under an external magnetic field (5.5 kOe), these nanoparticles show preferred magnetic alignment with their Hc reaching 2.49 kOe.
Bibliography:istex:E3020DB9704FAA987D57283F32B3EE617C5E1258
ark:/67375/WNG-9F2RRC76-9
ArticleID:ADMA201300595
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ObjectType-Article-2
ObjectType-Feature-1
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201300595