\centerslidesfalse
% skip for preparation
-\ifnum1=0
+%\ifnum1=0
% intro
$\Rightarrow$ Homogeneous 3C-SiC layer
\end{itemize}
\begin{center}
-{\color{blue}
-\framebox{
+\psframebox[linecolor=blue,linewidth=0.05cm]{
\begin{minipage}{4.5cm}
\color{black}
\centering
not yet fully understood
\end{minipage}
}
-}
\end{center}
\end{minipage}
\begin{minipage}{5.0cm}
XTEM: single crystalline 3C-SiC in Si\hkl(1 0 0)
}
\end{center}
-\end{minipage}\\[0.2cm]
+\end{minipage}\\[0.3cm]
+\psframebox[fillstyle=solid,fillcolor=hb]{
+\begin{minipage}{12.1cm}
{\bf
Outline
}
\item C and Si self-interstitial point defects in silicon
\item Silicon carbide precipitation simulations
\end{itemize}
+\end{minipage}
+}
\end{slide}
\end{minipage}\\[0.1cm]
$\Delta E=\unit[0.9]{eV}$ | Experimental values: \unit[0.70--0.87]{eV}\\
$\Rightarrow$ {\color{blue}Migration mechanism identified!}\\
-Note: Change in orientation
+Note: Change in orientation\\
\end{minipage}
\begin{minipage}{5.4cm}
\includegraphics[width=6.0cm]{00-1_0-10_vasp_s.ps}
-\end{minipage}\\[0.4cm]
+\end{minipage}\\[0.5cm]
\begin{minipage}{6.8cm}
{\bf\underline{Empirical potential}} $\quad$
-\hkl[0 0 -1] $\rightarrow$ \hkl[1 1 0] $\rightarrow$ \hkl[0 -1 0]\\
+\hkl[0 0 -1] $\rightarrow$ \hkl[1 1 0] $\rightarrow$ \hkl[0 -1 0]\\[-0.1cm]
\begin{itemize}
\item Transition involving \hkl[1 1 0] DB\\
(instability of BC configuration)
\item 2.4 -- 3.4 times higher than ab initio result
\item After all: Change of the DB orientation
\end{itemize}
-\vspace{0.1cm}
+\vspace{0.2cm}
\begin{center}
{\color{red}Drastically overestimated diffusion barrier}
\end{center}
+\vspace{0.4cm}
\end{minipage}
\begin{minipage}{5.4cm}
\includegraphics[width=6.0cm]{00-1_110_0-10_mig_albe.ps}
\includegraphics[width=3.5cm]{comb_pos.eps}
\end{minipage}
-\vspace{0.5cm}
+\vspace{0.7cm}
{\bf\boldmath Combinations of \hkl<1 0 0>-type interstitials}\\[0.2cm]
\begin{minipage}{6.1cm}
\item Disappearance of attractive forces\\
between two lowest separations.
\end{itemize}
+\vspace{0.1cm}
\begin{center}
{\color{blue}\ci{} agglomeration / no C clustering}
\end{center}
\end{minipage}
-\begin{picture}(0,0)(-180,-40)
+\begin{picture}(0,0)(-180,-50)
\begin{minipage}{6.0cm}
\scriptsize\centering
Interaction along \hkl[1 1 0]\\
\end{slide}
-\fi
-
\begin{slide}
\headphd
\item Short range potential\\
$\Rightarrow$ overestimated diffusion barrier
\end{itemize}
-\vspace{0.6cm}
+\vspace{0.7cm}
\underline{Increased temperatures}\\[0.2cm]
\cs{} dominated structure\\
\begin{pspicture}(0,0)(6.0,1.0)
\begin{itemize}
\item Stretched coherent SiC structures\\
$\Rightarrow$ \cs{} involved in precipitation mechanism
- \item High T $\leftrightarrow$ non-equilibrium IBS conditions
+ \item Reduction in strain by \si{}
\end{itemize}
-\vspace{0.3cm}
+\vspace{0.4cm}
\end{minipage}
\item Empirical potential MD simulations on SiC prcipitation in Si
\end{itemize}
-
-% conclusions
-\rput(6.5,-4.0){\psframebox[fillstyle=solid,fillcolor=white,linewidth=0.1cm]{
-\begin{minipage}{9cm}
\vspace{0.2cm}
-\small
-\begin{center}
-{\color{gray}\bf Conclusions on SiC precipitation}\\[0.1cm]
-{\Huge$\lightning$} {\color{red}\ci{}} --- vs --- {\color{blue}\cs{}} {\Huge$\lightning$}\\
-\end{center}
+
+\psframebox[linecolor=hb,fillstyle=solid,fillcolor=hb]{
+\begin{minipage}{12cm}
+Conclusions on SiC precipitation $\qquad$
+{\Huge$\lightning$} {\color{red}\ci{}} --- vs --- {\color{blue}\cs{}} {\Huge$\lightning$}
+
\begin{itemize}
-\item Stretched coherent SiC structures directly observed\\
-\psframebox[linecolor=blue,linewidth=0.05cm]{
-\begin{minipage}{7cm}
-\centering
-\cs{} involved in the precipitation mechanism\\
-\end{minipage}
-}
-\item Emission of \si{} serves several needs:
+\item \cs{} involved in the precipitation mechanism
+\item Role of the \si{}
\begin{itemize}
\item Vehicle to rearrange \cs --- [\cs{} \& \si{} $\leftrightarrow$ \ci]
\item Building block for surrounding Si host \& further SiC
\ldots Si/SiC interface\\
\ldots within stretched coherent SiC structure
\end{itemize}
-\item Explains annealing behavior of high/low T C implantations
- \begin{itemize}
- \item Low T: highly mobile {\color{red}\ci}
- \item High T: stable configurations of {\color{blue}\cs}
- \end{itemize}
-\psframebox[linecolor=blue,linewidth=0.05cm]{
-\begin{minipage}{7cm}
-\centering
-High T $\leftrightarrow$ IBS conditions far from equilibrium\\
-\end{minipage}
-}
\end{itemize}
\end{minipage}
+}
+
\vspace{0.2cm}
-}}
+
+Further conclusions
+
+\begin{itemize}
+ \item High T $\leftrightarrow$ IBS conditions far from equilibrium
+\end{itemize}
\end{slide}
-
\ifnum1=0
\begin{slide}