Roswitha Berghauser | Researchain

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Materials Science Forum | 2006

Stable Dispersions of Aromatic Hydrocarbon Colloidal Particles by Laser Ablation

Stefan Köstler; Andreas Rudorfer; Roswitha Berghauser; Volker Ribitsch; Georg Jakopic

Dispersions of colloidal particles of polycyclic aromatic hydrocarbons were obtained by nanosecond laser ablation. Aqueous suspensions of micron-sized crystals were irradiated with the second harmonic output of a Nd:YAG laser and converted into colloidal particles. Ionic and nonionic surfactants were used in the ablation process to stabilise the particles. Dispersions with good long term stability were obtained. A strong dependence of particle formation rate on laser fluence was found and the particle formation process is discussed on the basis of UV-Vis spectra and microscopic examination of the crystals.

Thin Solid Films | 2004

Structural, mechanical and tribological investigations of pulsed laser deposited titanium nitride coatings

Jürgen M. Lackner; Wolfgang Waldhauser; Roswitha Berghauser; R. Ebner; B. Major; Thomas Schöberl

Thin Solid Films | 2009

Structural and mechanical properties of diamond-like carbon films deposited by an anode layer source

Markus Kahn; Miha Čekada; Thomas Schöberl; Roswitha Berghauser; Christian Mitterer; Christoph Bauer; Wolfgang Waldhauser; Elmar Brandstätter

Diamond and Related Materials | 2008

Accurate Raman spectroscopy of diamond-like carbon films deposited by an anode layer source

Markus Kahn; M. Čekada; Roswitha Berghauser; Wolfgang Waldhauser; Christoph Bauer; Christian Mitterer; Elmar Brandstätter

Surface & Coatings Technology | 2005

Growth phenomena in room temperature pulsed laser deposited chromium and chromium nitride coatings

Juergen M. Lackner; Wolfgang Waldhauser; Roswitha Berghauser; R. Ebner; G. Kothleitner

Analyst | 2011

Nitrogen-doped diamond-like carbon as optically transparent electrode for infrared attenuated total reflection spectroelectrochemistry

Nicola Menegazzo; Markus Kahn; Roswitha Berghauser; Wolfgang Waldhauser; Boris Mizaikoff

Surface & Coatings Technology | 2005

Influences of the nitrogen content on the morphological, chemical and optical properties of pulsed laser deposited silicon nitride thin films

Juergen M. Lackner; Wolfgang Waldhauser; Roswitha Berghauser; R. Ebner; M. Beutl; Georg Jakopic; G. Leising; H. Hutter; Martin Rosner; Thomas Schöberl

Plasma Processes and Polymers | 2007