alpha
[lectures/latex.git] / posic / talks / dpg_2008.tex
index de7bc05..8214507 100644 (file)
  Application details:
  \begin{itemize}
   \item Integrator: Velocity Verlet, timestep: $1\, fs$
-  \item Ensemble control: NVT, Berendsen thermostat, $\tau=100.0$
+  \item Ensemble: NVT, Berendsen thermostat, $\tau=100.0$
   \item Potential: Tersoff-like bond order potential\\
         \[
        E = \frac{1}{2} \sum_{i \neq j} \pot_{ij}, \quad
   Simulation details
  }
 
- \vspace{20pt}
+ \vspace{8pt}
 
  Interstitial experiments:
 
- \vspace{12pt}
+ \vspace{8pt}
 
- \begin{itemize}
-  \item Initial configuration: $9\times9\times9$ unit cells Si
-  \item Periodic boundary conditions
-  \item $T=0 \, K$
-  \item Insertion of Si / C atom at
-        \begin{itemize}
-         \item $(0,0,0)$ $\rightarrow$ {\color{red}tetrahedral}
-         \item $(-1/8,-1/8,1/8)$ $\rightarrow$ {\color{green}hexagonal}
-         \item $(-1/8,-1/8,-1/4)$, $(-1/4,-1/4,-1/4)$\\
-              $\rightarrow$ {\color{magenta}110 dumbbell}
-        \item random positions (critical distance check)
-       \end{itemize}
-  \item Relaxation time: $2\, ps$
-  \item Optional heating-up 
- \end{itemize}
+ \begin{pspicture}(0,0)(7,8)
+  \rput(3.5,7){\rnode{init}{\psframebox[fillstyle=solid,fillcolor=green]{
+   \parbox{7cm}{
+   \begin{itemize}
+    \item Initial configuration: $9\times9\times9$ unit cells Si
+    \item Periodic boundary conditions
+    \item $T=0 \, K$
+   \end{itemize}
+  }}}}
+\rput(3.5,3.5){\rnode{insert}{\psframebox{
+ \parbox{7cm}{
+  Insertion of C / Si atom:
+  \begin{itemize}
+   \item $(0,0,0)$ $\rightarrow$ {\color{red}tetrahedral}
+   \item $(-1/8,-1/8,1/8)$ $\rightarrow$ {\color{green}hexagonal}
+   \item $(-1/8,-1/8,-1/4)$, $(-1/4,-1/4,-1/4)$\\
+         $\rightarrow$ {\color{magenta}110 dumbbell}
+   \item random positions (critical distance check)
+  \end{itemize}
+  }}}}
+  \rput(3.5,1){\rnode{cool}{\psframebox[fillstyle=solid,fillcolor=cyan]{
+   \parbox{3.5cm}{
+   Relaxation time: $2\, ps$
+  }}}}
+  \ncline[]{->}{init}{insert}
+  \ncline[]{->}{insert}{cool}
+ \end{pspicture}
 
  \begin{picture}(0,0)(-210,-45)
   \includegraphics[width=6cm]{unit_cell.eps}
 \begin{slide}
 
  {\large\bf
-  Results
+  Very first results of the SiC precipitation experiments
  }
 
- SiC-precipitation experiments:
-
  \begin{minipage}[t]{6.3cm}
   \includegraphics[width=6.0cm]{../plot/sic_prec_energy.ps}
   \includegraphics[width=6.0cm]{../plot/sic_prec_temp.ps}
  \end{minipage}
- \begin{minipage}[t]{6cm}
+ \begin{minipage}[t]{6.3cm}
+  \includegraphics[width=6.0cm]{../plot/sic_prec_energy_zoom.ps}
+  \includegraphics[width=6.0cm]{../plot/foo150.ps}
+ \end{minipage}
+
+\end{slide}
+
+\begin{slide}
+
+ {\large\bf
+  Very first results of the SiC precipitation experiments
+ }
+
+ \begin{minipage}[c]{12cm}
   \includegraphics[width=6.0cm]{../plot/sic_pc.ps}
-  \includegraphics[width=6.0cm]{../plot/sic_prec_pc.ps}
+  \hspace{4pt}
+  \includegraphics[width=5.0cm]{sic_si-c-n.eps}
+ \end{minipage}
+ \begin{minipage}[c]{12cm}
+  \includegraphics[width=6.0cm]{../plot/foo_end.ps}
+  \hspace{4pt}
+  \includegraphics[width=5.0cm]{foo_end.eps}
  \end{minipage}
 
 \end{slide}
 \vspace{24pt}
 
 \begin{itemize}
- \item Importance of understanding C in Si
+ \item Importance of understanding the SiC precipitation mechanism
  \item Interstitial configurations in silicon using the Albe potential
  \item Indication of SiC precipitation
 \end{itemize}
  \item Displacement and stress calculations
  \item Diffusion dependence of temperature and carbon concentration
  \item Analyzing results of the precipitation simulation runs
+ \item Refinement of simulation sequence to create 3C-SiC
  \item Analyzing self-designed Si/SiC interface
 \end{itemize}