+\begin{center}
+ {\Large\bf
+ Modelling of a selforganizaton process leading to periodic arrays of nanometric amorphous precipitates by ion irradiation
+ \par
+ }
+\end{center}
+
+\begin{center}
+ {\large
+ F. Zirkelbach, M. Häberlen, J. K. N. Lindner and B. Stritzker
+ \par
+ }
+\end{center}
+
+\begin{center}
+ {\scriptsize
+ Institute of Physics, University of Augsburg, Universitätsstrasse 1, D-86135 Augsburg, Germany
+ \par
+ }
+\end{center}
+
+\vspace{12pt}
+
+\linebreak[2]