+ \section*{Interstitial configurations}
+ {\bf Simulation sequence:}\\
+
+\begin{minipage}{15cm}
+{\small
+ \begin{pspicture}(0,0)(14,14)
+ \rput(7,12.5){\rnode{init}{\psframebox[fillstyle=solid,fillcolor=green]{
+ \parbox{14cm}{
+ \begin{itemize}
+ \item Initial configuration: $9\times9\times9$ unit cells Si
+ \item Periodic boundary conditions
+ \item $T=0\text{ K}$, $p=0\text{ bar}$
+ \end{itemize}
+ }}}}
+\rput(7,6){\rnode{insert}{\psframebox{
+ \parbox{14cm}{
+ Insertion of C / Si atom:
+ \begin{itemize}
+ \item $(0,0,0)$ $\rightarrow$ {\color{red}tetrahedral}
+ (${\color{red}\triangleleft}$)
+ \item $(-1/8,-1/8,1/8)$ $\rightarrow$ {\color{green}hexagonal}
+ (${\color{green}\triangleright}$)
+ \item $(-1/8,-1/8,-1/4)$, $(-3/8,-3/8,-1/4)$\\
+ $\rightarrow$ {\color{magenta}110 dumbbell}
+ (${\color{magenta}\Box}$,$\circ$)
+ \item random positions (critical distance check)
+ \end{itemize}
+ }}}}
+ \rput(7,1.5){\rnode{cool}{\psframebox[fillstyle=solid,fillcolor=cyan]{
+ \parbox{7cm}{
+ Relaxation time: $2\, ps$
+ }}}}
+ \ncline[]{->}{init}{insert}
+ \ncline[]{->}{insert}{cool}
+ \end{pspicture}
+}
+\end{minipage}
+\begin{minipage}{10cm}
+ \includegraphics[width=11cm]{unit_cell_s.eps}
+\end{minipage}
+
+ {\bf Si self-interstitial results:}\\
+
+
+
+ {\bf C in Si interstitial results:}\\
+
+