]> hackdaworld.org Git - lectures/latex.git/commitdiff
final version for lst seminar!
authorhackbard <hackbard@sage.physik.uni-augsburg.de>
Thu, 17 Jun 2010 12:43:29 +0000 (14:43 +0200)
committerhackbard <hackbard@sage.physik.uni-augsburg.de>
Thu, 17 Jun 2010 12:43:29 +0000 (14:43 +0200)
posic/talks/seminar_2010.tex

index 402a2c87161ec916baa106a78213e97e4074c0d2..75ceb623d387c9fb9f95b9e3a3c2025e25f8ea88 100644 (file)
@@ -1,6 +1,6 @@
 \pdfoutput=0
-\documentclass[landscape,semhelv,draft]{seminar}
-%\documentclass[landscape,semhelv]{seminar}
+%\documentclass[landscape,semhelv,draft]{seminar}
+\documentclass[landscape,semhelv]{seminar}
 
 \usepackage{verbatim}
 \usepackage[greek,german]{babel}
 
 \end{pspicture}
 
-\begin{picture}(0,0)(-10,68)
+\begin{picture}(0,0)(-3,68)
 \includegraphics[width=2.6cm]{wide_band_gap.eps}
 \end{picture}
-\begin{picture}(0,0)(-295,-165)
-\includegraphics[width=3cm]{sic_led.eps}
+\begin{picture}(0,0)(-285,-162)
+\includegraphics[width=3.38cm]{sic_led.eps}
 \end{picture}
-\begin{picture}(0,0)(-215,-165)
-\includegraphics[width=2.5cm]{6h-sic_3c-sic.eps}
+\begin{picture}(0,0)(-195,-162)
+\includegraphics[width=2.8cm]{6h-sic_3c-sic.eps}
 \end{picture}
 \begin{picture}(0,0)(-313,65)
 \includegraphics[width=2.2cm]{infineon_schottky.eps}
 \begin{picture}(0,0)(-220,65)
 \includegraphics[width=2.9cm]{sic_wechselrichter_ise.eps}
 \end{picture}
+\begin{picture}(0,0)(0,-160)
+\includegraphics[width=3.0cm]{sic_proton.eps}
+\end{picture}
+\begin{picture}(0,0)(-60,65)
+\includegraphics[width=3.4cm]{sic_switch.eps}
+\end{picture}
 
 \end{slide}
 
@@ -454,8 +460,14 @@ Thermal conductivity [W/cmK] & 5.0 & 4.9 & 4.9 & 1.5 & 1.3 & 22 \\
 \psellipse[linecolor=blue](11.5,5.8)(0.3,0.5)
 \rput{-20}{\psellipse[linecolor=blue](3.3,8.1)(0.3,0.5)}
 \psline[linewidth=4pt]{->}(4.0,2)(4.5,2)
+\rput(12.7,0.3){\rnode{init}{\psframebox[fillstyle=solid,fillcolor=hb]{
+ $4a_{\text{Si}}=5a_{\text{SiC}}$
+ }}}
+\rput(12.2,8){\rnode{init}{\psframebox[fillstyle=solid,fillcolor=hb]{
+\hkl(h k l) planes match
+ }}}
 \end{pspicture}
+
 \end{slide}
 
 \begin{slide}
@@ -574,8 +586,10 @@ which in turn depends on $n(r)$
 \[
 \rightarrow
 \text{Fourier series: } \Phi_i=\sum_{|G+k|<G_{\text{cut}}} c_j^i \phi_j(r), \quad E_{\text{cut}}=\frac{\hbar^2}{2m}G^2_{\text{cut}}
+\qquad ({\color{blue}300\text{ eV}})
 \]
-  \item \underline{$k$-point sampling} - $\Gamma$-point only calculations
+  \item \underline{Brillouin zone sampling} -
+        {\color{blue}$\Gamma$-point only} calculations
   \item \underline{Pseudo potential} 
         - consider only the valence electrons
   \item \underline{Code} - VASP 4.6
@@ -591,6 +605,10 @@ which in turn depends on $n(r)$
   \item Structural optimization: Conjugate gradient method
  \end{itemize}
 
+\begin{pspicture}(0,0)(0,0)
+\psellipse[linecolor=blue](1.5,6.75)(0.5,0.3)
+\end{pspicture}
+
 \end{slide}
 
 \begin{slide}
@@ -2006,28 +2024,51 @@ Maximum temperature used: $0.95\cdot T_{\text{m}}$
   Long time scale simulations at maximum temperature
  }
 
- \small
-\vspace{1cm}
+\small
 
+\vspace{0.1cm}
 \underline{Differences}
 \begin{itemize}
- \item Cubic volume $\Rightarrow$ spherical volume
- \item Amount of C atoms: 6000 $\rightarrow$ 5500
  \item Temperature set to $0.95 \cdot T_{\text{m}}$
+ \item Cubic insertion volume $\Rightarrow$ spherical insertion volume
+ \item Amount of C atoms: 6000 $\rightarrow$ 5500
+       $\Leftrightarrow r_{\text{prec}}=0.3\text{ nm}$
  \item Simulation volume: 21 unit cells of c-Si in each direction
 \end{itemize}
 
-\vspace{1cm}
+\footnotesize
+
+\vspace{0.3cm}
 
+\begin{minipage}[t]{4.5cm}
 \begin{center}
- {\bf
-Simulations in progress! :)\\
- }
-... show evolution of radial distribution in ns timesteps ...
+\underline{Low C concentration, Si-C}
+\includegraphics[width=4.5cm]{c_in_si_95_v1_si-c.ps}\\
+Sharper peaks!
+\end{center}
+\end{minipage}
+\begin{minipage}[t]{4.5cm}
+\begin{center}
+\underline{Low C concentration, C-C}
+\includegraphics[width=4.5cm]{c_in_si_95_v1_c-c.ps}\\
+Sharper peaks!\\
+No C agglomeration!
+\end{center}
+\end{minipage}
+\begin{minipage}[t]{4cm}
+\begin{center}
+\underline{High C concentration}
+\includegraphics[width=4.5cm]{c_in_si_95_v2.ps}\\
+No significant changes
 \end{center}
+\end{minipage}
 
-\vspace{4cm}
+\begin{center}
+\framebox{
+Long time scales and high temperatures most probably not sufficient enough!
+}
+\end{center}
 
 \end{slide}
 
@@ -2082,7 +2123,7 @@ y=\left(\frac{1}{2} \right)^{1/3}a_{\text{Si}}
 \vspace{0.3cm}
 
 \begin{minipage}{6.2cm}
-\includegraphics[width=6cm,draft=false]{pc_0.ps}
+\includegraphics[width=6cm]{pc_0.ps}
 \end{minipage}
 \begin{minipage}{6.8cm}
 \underline{Results}
@@ -2242,9 +2283,42 @@ $\rightarrow$
   Acknowledgements
  }
 
+ \vspace{0.1cm}
+
  \small
 
+ Thanks to \ldots
+
+ \underline{Augsburg}
+ \begin{itemize}
+  \item Prof. B. Stritzker (accepting a simulator at EP \RM{4})
+  \item Ralf Utermann (EDV)
+ \end{itemize}
+ \underline{Helsinki}
+ \begin{itemize}
+  \item Prof. K. Nordlund (MD)
+ \end{itemize}
  
+ \underline{Munich}
+ \begin{itemize}
+  \item Bayerische Forschungsstiftung (financial support)
+ \end{itemize}
+ \underline{Paderborn}
+ \begin{itemize}
+  \item Prof. J. Lindner (SiC)
+  \item Prof. G. Schmidt (DFT + financial support)
+  \item Dr. E. Rauls (DFT + SiC)
+ \end{itemize}
+
+\vspace{0.2cm}
+
+\begin{center}
+\framebox{
+\bf Thank you for your attention!
+}
+\end{center}
 
 \end{slide}