\end{slide}
+\begin{slide}
+
+ {\large\bf
+ Silicon bulk properties
+ }
+
+ \begin{minipage}{6.5cm}
+ \includegraphics[width=6.5cm]{si_lc_fit.ps}
+ \end{minipage}
+ \begin{minipage}{6.5cm}
+ \includegraphics[width=6.5cm]{si_lc_fit_250.ps}
+ \end{minipage}
+
+\end{slide}
+
\begin{slide}
{\large\bf