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Preparation of Metal Nanosuspensions by High-Pressure DC-Sputtering on Running Liquids

Published online by Cambridge University Press:  10 February 2011

M. Wagener ,
B. S. Murty  and
B. Günther
M. Wagener
Affiliation:
Fraunhofer-Institut für angewandte Materialforschung, Lesumer Heerstr. 36, D-28717 Bremen, Germany
B. S. Murty
Affiliation:
on leave from Indian Institute of Technology, Kharagpur-721 302, India
B. Günther
Affiliation:
Fraunhofer-Institut für angewandte Materialforschung, Lesumer Heerstr. 36, D-28717 Bremen, Germany
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Abstract

A modified VERL-process (Vacuum evaporation on running liquids) employing high pressure magnetron sputtering has been used for the preparation of suspensions with metal nanoparticles. The method has been tested for Ag- and Fe-suspensions by varying the pressure of the Argon sputtering atmosphere in the range of 1 to 30 Pa. A narrow particle size distribution with a mean particle size ranging from 5–18 nm has been found. The mean particle size increases with increasing Argon pressure in the pressure range under investigation. A descriptive model for the process of particle formation as a function of sputtering gas pressure is given.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 457: Symposium V – Nanophase and Nanocomposite Materials II , 1996 , 149
Copyright
Copyright © Materials Research Society 1997

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References

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