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Production of Magnetic Nanopowders by Pulsed Sonoelectrochemistry

Published online by Cambridge University Press:  10 February 2011

J-L. Delplancke ,
O. Bouesnard ,
J. Reisse  and
R. Winand
J-L. Delplancke
Affiliation:
Métallurgie-Electrochimie, CP 165, ULB, 50 Avenue F.D. Roosevelt, B1050 Bruxelles, Belgium, jdelpla@ulb.ac.be
O. Bouesnard
Affiliation:
Métallurgie-Electrochimie, CP 165, ULB, 50 Avenue F.D. Roosevelt, B1050 Bruxelles, Belgium, jdelpla@ulb.ac.be
J. Reisse
Affiliation:
Chimie organique, CP 165, ULB, 50 Avenue F.D. Roosevelt, B1050 Bruxelles, Belgium
R. Winand
Affiliation:
Métallurgie-Electrochimie, CP 165, ULB, 50 Avenue F.D. Roosevelt, B1050 Bruxelles, Belgium, jdelpla@ulb.ac.be
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Abstract

Sonoelectrochemistry, or pulsed electrodeposition at high current density in presence of high intensity ultrasound, is used to produce magnetic powders with a mean diameter in the range of 100 nm. Pure iron, cobalt and nickel powders are produced together with their binary and ternary alloys. The powders are crystalline and homogeneous as observed by scanning and transmission electron microscopy, electron diffraction and X-ray fluorescence. The compositions of the binary and ternary alloy powders reproduce strictly the iron, nickel and cobalt compositions of the starting electrolytes except for the nickel-cobalt alloys.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 451: Symposium P – Electrochemical Synthesis and Modification , 1996 , 383
Copyright
Copyright © Materials Research Society 1997

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References

REFERENCES

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