Formation of magnetite nanoparticles at low temperature: from superparamagnetic to stable single domain particles.

The room temperature co-precipitation of ferrous and ferric iron under alkaline conditions typically yields superparamagnetic magnetite nanoparticles below a size of 20 nm. We show that at pH  =  9 this method can be tuned to grow larger particles with single stable domain magnetic (> 20-30 nm) o...

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Bibliographic Details
Main Authors: Jens Baumgartner, Luca Bertinetti, Marc Widdrat, Ann M Hirt, Damien Faivre
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3592859?pdf=render