Regensburg 2022 – scientific programme
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MM: Fachverband Metall- und Materialphysik
MM 18: Poster Session 2
MM 18.30: Poster
Tuesday, September 6, 2022, 17:30–20:00, P2
Formation porous metal nanosystems under near-equilibrium condensation conditions in plasma-condensate system — •Anna Kornyushchenko1, 2, Vyacheslav Perekrestov1, and Gerhard Wilde2 — 1Sumy State University, Laboratory of Vacuum Nanotechnologies, Sumy, Ukraine — 2WestfälischeWilhelms-Universität, Institute of Materials Physics, Münster, Germany
It is known, that porous structures depending on morphology can possess unique physical properties which can determine areas of their application. In the proposed work a new technique for synthesizing metal porous micro- and nanostructures has been developed. This approach is based on the phase transition of sputtered substances into the condensed state under conditions close to thermodynamic equilibrium. The low dimensional metal systems (Cr, Zn, Cu, Ti, Ni, Al) have been obtained in the different morphological forms, such as network structures, nanowires, agglomerations of weakly-bound crystals, columnar structures consisting of prolonged crystals with approximately identical habitus, etc. The results confirm the important new opportunities for size, shape and physical property tuning of nanostructured materials that are given by deposition near thermodynamic equilibrium conditions. It has been established that the growth mechanism under conditions close to thermodynamic equilibrium possesses principally new peculiarities and possibilities in comparison with traditional methods of condensation from vapor state and consequently can contribute to a new zone in the structure zone model.