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Nanomaterials produced by laser ablation techniques. Part I: Synthesis and passivation of nanoparticles

: Murray, P.; Köhler, B.; Lipfert, S.; Kaspar, J.; Schreiber, J.


Geer, R.E. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Testing, reliability, and application of micro- and nano-material systems IV : 28 February - 2 March 2006, San Diego, California, USA
Bellingham/Wash.: SPIE, 2006 (SPIE Proceedings Series 6175)
ISBN: 0-8194-6228-4
8 S.
Conference "Testing, Reliability, and Application of Micro- and Nano-Material Systems" <4, 2006, San Diego/Calif.>
Fraunhofer IZFP, Institutsteil Dresden ( IKTS-MD) ()
nanoparticle; laser ablation; passivation; agglomeration; nitride; silicon; iron; carbon

We have formed nanoparticles of Si, C, Ti, and Fe by pulsed laser ablation and have explored the feasibility of
passivating these particles during the synthesis process in order to minimize particle coarsening. Passivation was done by forming the nanoparticles in an Ar/N2 background, which allowed the formation of a thin nitride layer on the
nanoparticle surface. In this paper we describe the synthesis procedure for synthesizing and passivating the
nanoparticles. The characterization results indicate the nanoparticle synthesis in N2 does not significantly affect