Berlin 2015 – wissenschaftliches Programm

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MM: Fachverband Metall- und Materialphysik

MM 28: Poster Session II

MM 28.21: Poster

Dienstag, 17. März 2015, 18:30–20:30, Poster E

Simulation of Nanocolumn Formation in a Plasma Environment — •Jan Willem Abraham1, Thomas Strunskus2, Franz Faupel2, and Michael Bonitz11Institut für Theoretische Physik und Astrophysik, CAU Kiel — 2Institut für Materialwissenschaft, CAU Kiel

Recent experiments and kinetic Monte Carlo (KMC) simulations [1,2] demonstrated that physical vapor co-deposition of a metal alloy (Fe-Ni-Co) and a polymer (Teflon AF) can lead to self-organized growth of magnetic nanocolumns. While these experiments have been carried out with thermal sources, we analyze the feasibility of this process for the case of a sputtering source. For that purpose, we extend our previous simulation model by including a process that takes into account the influence of ions impinging on the substrate [3]. The simulation results predict that metal nanocolumn formation should be possible. Furthermore we show that the effect of ions, which create trapping sites for the metal particles, is an increased number of nanocolumns.
H. Greve et al., Appl. Phys. Lett. 88, 123103 (2006)
L. Rosenthal et al., J. Appl. Phys. 114, 044305 (2013)
J.W. Abraham et al., submitted to J. Appl. Phys. (2014)

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