Cobalt‐Substituted Magnetite Nanoparticles and Their Assembly into Ferrimagnetic Nanoparticle Arrays | Zendy

Yu Yongsheng | Zendy; MendozaGarcia Adriana | Zendy; Ning Bo | Zendy; Sun Shouheng | Zendy

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

Author(s) -

Yu Yongsheng,

MendozaGarcia Adriana,

Ning Bo,

Sun Shouheng

Publication year - 2013

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201300595

Subject(s) - ferrimagnetism , materials science , nanoparticle , dispersity , magnetite , cobalt , nanotechnology , magnetite nanoparticles , magnetic nanoparticles , dispersion (optics) , chemical engineering , magnetic field , magnetization , metallurgy , polymer chemistry , optics , physics , engineering , quantum mechanics

A simple process to prepare monodisperse ferrimagnetic cobalt‐substituted magnetite Co x Fe 3‐ x O 4 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 H c reaching 2.49 kOe.

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