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Nanoindentation of heterogeneous n-carbon films containing Ni nanocrystals

Elzbieta Czerwosz 1,4Asta Richter 2Piotr Dłużewski 3Mirosław Kozłowski 1,3Marek Nowicki 5

1. Industrial Institute of Electronics (PIE), Dluga, Warszawa 00-241, Poland
2. Univesity of Applied Sciences, Bahnhofstrasse 1, Wildau 15745, Germany
3. Polish Academy of Sciences, Institute of Physics, al. Lotników 32/46, Warszawa 02-668, Poland
4. Akademia Świętokrzyska im. Jana Kochanowskiego, Świętokrzyska 15, Kielce 25-406, Poland
5. Poznan University of Technology (PUT), Nieszawska 13A, Poznań 60-965, Poland


Composite films of nano-size nickel grains embedded in a nanocarbon (n-carbon) or amorphous carbon matrix were synthesized by a two source PVD evaporation process of C60 fullerenes and Ni acetate.

The structure of the nanocomposite films were characterised by SPM methods, transmission electron microscopy (TEM), selected area electron diffraction (SAD), X-ray diffraction, chemical analysis and atomic force microscopy. Correlations with deposition parameters and typical structure changes are found. The Ni metallic component leads to bi-layered structures of the film and changes its mechanical properties comparing with the carbonaceous matrix properties. The tribological properties were studied using a HYSITRON Triboscope (electrostatic transducer) attached to a Scanning Force Microscope and controller Nanoscope IV. Single and multi-cycling indentation are used to study the depth dependent hardness and indentation modulus. Pop-ins reflects the layered nano-sturcture.


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Presentation: Oral at E-MRS Fall Meeting 2007, Symposium J, by Asta Richter
See On-line Journal of E-MRS Fall Meeting 2007

Submitted: 2007-05-21 20:42
Revised:   2009-06-07 00:44