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Synthesis and Magnetic Properties of Co Nanorod Superlattices

Published online by Cambridge University Press:  01 February 2011

Fabienne Wetz ,
Katerina Soulantica ,
Marc Respaud ,
Andrea Falqui  and
Bruno Chaudret
Fabienne Wetz
Affiliation:
fwetz@insa-toulouse.fr, CNRS, LCC, 205 route de Narbonne, Toulouse, 31077, France, +33561559650, +33561559696
Katerina Soulantica
Affiliation:
ksoulant@insa-toulouse.fr, INSA, LNMO, 135 avenue de Rangueil, Toulouse, 31077, France
Marc Respaud
Affiliation:
respaud@insa-toulouse.fr, INSA, LNMO, 135 avenue de Rangueil, Toulouse, 31077, France
Andrea Falqui
Affiliation:
falqui@unica.it, INSA, LNMO, 135 avenue de Rangueil, Toulouse, 31077, France
Bruno Chaudret
Affiliation:
chaudret@lcc-toulouse.fr, CNRS, LCC, 205 route de Narbonne, Toulouse, 31077, France
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Abstract

We present the synthesis and magnetic properties of Co nanorods spontaneously organized in superlattices over a surface of several microns. This material results from the thermal decomposition of a cobalt precursor under hydrogen, in the presence of a long-chain amine and a long-chain acid as shape control agents. These nanorod superlattices are ferromagnetic at room temperature and they are characterized by a strong coercive field as a consequence of their large magnetic anisotropy. This system can be considered as a good candidate for high density magnetic recording.

Keywords

self-assemblyComagnetic properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 962: Symposium P – Nanoscale Magnets – Synthesis, Self-Assembly, Properties and Applications , 2006 , 0962-P08-01
Copyright
Copyright © Materials Research Society 2007

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References

REFERENCES

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