\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsmath}
+\usepackage{latexsym}
\usepackage{ae}
\usepackage{calc} % Simple computations with LaTeX variables
\usepackage{pstricks}
\usepackage{pst-node}
+\usepackage{epic}
+\usepackage{eepic}
+
\usepackage{graphicx}
\graphicspath{{../img/}}
+\usepackage[setpagesize=false]{hyperref}
+
\usepackage{semcolor}
\usepackage{semlayer} % Seminar overlays
\usepackage{slidesec} % Seminar sections and list of slides
\vspace{8pt}
- \begin{minipage}{4.3cm}
+ \begin{minipage}[t]{4.3cm}
\includegraphics[width=3.8cm]{si_self_int_tetra_0.eps}
\end{minipage}
- \begin{minipage}{4.3cm}
+ \begin{minipage}[t]{4.3cm}
\includegraphics[width=3.8cm]{si_self_int_dumbbell_0.eps}
\end{minipage}
- \begin{minipage}{4.3cm}
+ \begin{minipage}[t]{4.3cm}
\includegraphics[width=3.8cm]{si_self_int_hexa_0.eps}
+ \begin{center}
+ \href{../video/si_self_int_hexa.avi}{$\rhd$}
+ \end{center}
\end{minipage}
\end{slide}
Si self-interstitial \underline{random insertion} experiments:
+ \small
+
\vspace{8pt}
- foo
+ \begin{minipage}[t]{4.0cm}
+ \begin{itemize}
+ \item $E_f=3.97\, eV$
+ \item 3 identical weak bonds
+ \item displaced in volume\\ diagonal
+ \end{itemize}
+ \end{minipage}
+ \hspace{0.3cm}
+ \begin{minipage}[t]{4.0cm}
+ \begin{itemize}
+ \item $E_f=3.75\, eV$
+ \item 4 identical weak bonds
+ \item displaced in plane\\ diagonal
+ \end{itemize}
+ \end{minipage}
+ \hspace{0.3cm}
+ \begin{minipage}[t]{4.0cm}
+ \begin{itemize}
+ \item $E_f=3.56\, eV$
+ \item single weak bond
+ \item displaced along\\ $x$-direction
+ \item closest to tetrahedral\\ configuration
+ \end{itemize}
+ \end{minipage}
+
+ \vspace{8pt}
+
+ \begin{minipage}{4.3cm}
+ \includegraphics[width=3.8cm]{si_self_int_rand_397_0.eps}
+ \end{minipage}
+ \begin{minipage}{4.3cm}
+ \includegraphics[width=3.8cm]{si_self_int_rand_375_0.eps}
+ \end{minipage}
+ \begin{minipage}{4.3cm}
+ \includegraphics[width=3.8cm]{si_self_int_rand_356_0.eps}
+ \end{minipage}
+
+ \vspace{8pt}
+
+ \begin{center}
+ {\footnotesize
+ {\bf Note:} Displacements relative to tetrahedral configuration
+ }
+ \end{center}
\end{slide}
Results
}
+ \vspace{8pt}
+
Carbon interstitial experiments:
- \vspace{8pt}
+ \vspace{12pt}
\small
\begin{minipage}[t]{4.0cm}
\underline{Tetrahedral}
\begin{itemize}
- \item $E_F=2.67\, eV$
+ \item $E_f=2.67\, eV$
\item tetrahedral bond
\end{itemize}
\end{minipage}
\begin{minipage}[t]{4.0cm}
\underline{110 dumbbell}
\begin{itemize}
- \item $E_F=1.76\, eV$
+ \item $E_f=1.76\, eV$
\item C forms 3 bonds
\end{itemize}
\end{minipage}
\begin{minipage}[t]{4.0cm}
\underline{Hexagonal}
\begin{itemize}
- \item $E_F^{\star}\approx5.6\, eV$
+ \item $E_f^{\star}\approx5.6\, eV$
\item unstable!
\end{itemize}
\end{minipage}
\vspace{8pt}
- \begin{minipage}{4.3cm}
+ \begin{minipage}[t]{4.3cm}
\includegraphics[width=3.8cm]{c_in_si_int_tetra_0.eps}
\end{minipage}
- \begin{minipage}{4.3cm}
+ \begin{minipage}[t]{4.3cm}
\includegraphics[width=3.8cm]{c_in_si_int_dumbbell_0.eps}
\end{minipage}
- \begin{minipage}{4.3cm}
+ \begin{minipage}[t]{4.3cm}
\includegraphics[width=3.8cm]{c_in_si_int_hexa_0.eps}
+ \begin{center}
+ \href{../video/c_in_si_int_hexa.avi}{$\rhd$}
+ \end{center}
\end{minipage}
\end{slide}
Results
}
- \vspace{8pt}
+ %\vspace{8pt}
Carbon \underline{random insertion} experiments:
- \vspace{8pt}
+ %\vspace{8pt}
- bar
+ \footnotesize
+
+ \begin{minipage}[c]{6.3cm}
+ \begin{minipage}{3.4cm}
+ \includegraphics[width=3.3cm]{c_in_si_int_001db_0.eps}
+ \end{minipage}
+ \begin{minipage}{2.5cm}
+ \begin{itemize}
+ \item $E_f=0.47\, eV$
+ \item 001 dumbbell
+ \end{itemize}
+ \end{minipage}
+ \end{minipage}
+ \begin{minipage}[c]{6.3cm}
+ \begin{minipage}{3.4cm}
+ \includegraphics[width=3.3cm]{c_in_si_int_rand_162_0.eps}
+ \end{minipage}
+ \begin{minipage}{2.8cm}
+ \begin{itemize}
+ \item $E_f=1.62\, eV$
+ \item 3 weak + strong bonds
+ \end{itemize}
+ \end{minipage}
+ \end{minipage}
+
+ \begin{minipage}[c]{6.3cm}
+ \begin{minipage}{3.4cm}
+ \includegraphics[width=3.3cm]{c_in_si_int_rand_239_0.eps}
+ \end{minipage}
+ \begin{minipage}{2.5cm}
+ \begin{itemize}
+ \item $E_f=2.39\, eV$
+ \end{itemize}
+ \begin{center}
+ \href{../video/c_in_si_int_rand_239.avi}{$\rhd$}
+ \end{center}
+ \end{minipage}
+ \end{minipage}
+ \begin{minipage}[c]{6.3cm}
+ \begin{minipage}{3.4cm}
+ \includegraphics[width=3.3cm]{c_in_si_int_rand_341_0.eps}
+ \end{minipage}
+ \begin{minipage}{2.8cm}
+ \begin{itemize}
+ \item $E_f=3.41\, eV$
+ \end{itemize}
+ \begin{center}
+ \href{../video/c_in_si_int_rand_341.avi}{$\rhd$}
+ \end{center}
+ \end{minipage}
+ \end{minipage}
+
+ \vspace{4pt}
+
+ \begin{center}
+ {\bf Note:} High probability for 110 dumbbell ($1.76\, eV$) configurations!
+ \end{center}
\end{slide}
SiC-precipitation experiments:
+ \begin{minipage}[t]{6.3cm}
+ %\input{../plot/sic_prec}
+ \includegraphics[width=6.0cm]{../plot/sic_prec_energy.ps}
+ \includegraphics[width=6.0cm]{../plot/sic_prec_temp.ps}
+ \end{minipage}
+ \begin{minipage}[t]{6cm}
+ \includegraphics[width=6.0cm]{../plot/sic_pc.ps}
+ \end{minipage}
+
\end{slide}
\begin{slide}
Conclusion / Outlook
}
+\begin{itemize}
+ \item Importance of understanding C in Si
+ \item Interstitial configurations in silicon using the Albe potential
+ \item Indication of SiC precipitation
+\end{itemize}
+
+\vspace{16pt}
+
+\begin{itemize}
+ \item Displacement and stress calculations
+ \item Diffusion dependence of temperature and carbon concentration
+ \item Analyzing results of the precipitation simulation runs
+ \item Analyzing self-designed Si/SiC interface
+\end{itemize}
+
\end{slide}
\end{document}