+The final configurations obtained after relaxation are presented in figure \ref{fig:defects:conf}.
+\begin{figure}[h]
+\begin{center}
+\hrule
+\vspace*{0.2cm}
+\begin{flushleft}
+\begin{minipage}{5cm}
+\underline{\hkl<1 1 0> dumbbell}\\
+$E_{\text{f}}=3.39\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_vasp/110_2333.eps}
+\end{minipage}
+\begin{minipage}{5cm}
+\underline{Hexagonal}\\
+$E_{\text{f}}=3.42\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_vasp/hex_2333.eps}
+\end{minipage}
+\begin{minipage}{5cm}
+\underline{Tetrahedral}\\
+$E_{\text{f}}=3.77\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_vasp/tet_2333.eps}
+\end{minipage}\\[0.2cm]
+\begin{minipage}{5cm}
+\underline{\hkl<1 0 0> dumbbell}\\
+$E_{\text{f}}=4.41\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_vasp/100_2333.eps}
+\end{minipage}
+\begin{minipage}{5cm}
+\underline{Vacancy}\\
+$E_{\text{f}}=3.63\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_vasp/vac_2333.eps}
+\end{minipage}
+\begin{minipage}{5cm}
+\begin{center}
+VASP\\
+calculations\\
+\end{center}
+\end{minipage}
+\end{flushleft}
+\vspace*{0.2cm}
+\hrule
+\begin{flushleft}
+\begin{minipage}{5cm}
+\underline{\hkl<1 1 0> dumbbell}\\
+$E_{\text{f}}=3.39\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_albe/110.eps}
+\end{minipage}
+\begin{minipage}{5cm}
+\underline{Hexagonal}\\
+$E_{\text{f}}=3.42\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_albe/hex.eps}
+\end{minipage}
+\begin{minipage}{5cm}
+\underline{Tetrahedral}\\
+$E_{\text{f}}=3.77\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_albe/tet.eps}
+\end{minipage}\\[0.2cm]
+\begin{minipage}{5cm}
+\underline{\hkl<1 0 0> dumbbell}\\
+$E_{\text{f}}=4.41\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_albe/100.eps}
+\end{minipage}
+\begin{minipage}{5cm}
+\underline{Vacancy}\\
+$E_{\text{f}}=3.63\text{ eV}$\\
+\includegraphics[width=4.0cm]{si_pd_albe/vac.eps}
+\end{minipage}
+\begin{minipage}{5cm}
+\begin{center}
+Erhard/Albe potential\\
+calculations\\
+\end{center}
+\end{minipage}
+\end{flushleft}
+\hrule
+\end{center}
+\caption[Relaxed silicon self-interstitial defect configurations.]{Relaxed silicon self-interstitial defect configurations. The silicon atoms and the bonds (only for the interstitial atom) are illustrated by yellow spheres and blue lines.}
+\label{fig:defects:conf}
+\end{figure}