From: hackbard <hackbard@sage.physik.uni-augsburg.de>
Date: Wed, 14 May 2008 17:22:03 +0000 (+0200)
Subject: safety checkin ...
X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c14e26a07978bfdb0e10d2891168e8428f73e14b;p=lectures%2Flatex.git

safety checkin ...
---

diff --git a/posic/poster/emrs2008.tex b/posic/poster/emrs2008.tex
index 15e72a6..22e457b 100644
--- a/posic/poster/emrs2008.tex
+++ b/posic/poster/emrs2008.tex
@@ -315,18 +315,18 @@
    \begin{itemize}
     \item Initial configuration: $31\times31\times31$ unit cells Si
     \item Periodic boundary conditions
-    \item $T=450\, ^{\circ}C$
-    \item Equilibration of $E_{kin}$ and $E_{pot}$ for $600\, fs$
+    \item $T=450\, ^{\circ}\textrm{C}$, $p=0\text{ bar}$
+    \item Equilibration of $E_{kin}$ and $E_{pot}$ for 600 fs
    \end{itemize}
   }}}}
   \rput(7.5,5){\rnode{insert}{\psframebox[fillstyle=solid,fillcolor=red]{
    \parbox{15cm}{
-   Insertion of $6000$ carbon atoms at constant\\
+   Insertion of 6000 carbon atoms at constant\\
    temperature into:
    \begin{itemize}
-    \item Total simulation volume $V_1$ {\pnode{in1}}
-    \item Volume of minimal SiC precipitation $V_2$ {\pnode{in2}}
-    \item Volume of necessary amount of Si $V_3$ {\pnode{in3}}
+    \item Total simulation volume $V_1$
+    \item Volume of minimal 3C-SiC precipitation $V_2$
+    \item Volume of necessary amount of Si $V_3$
    \end{itemize} 
   }}}}
   \rput(7.5,1){\rnode{cool}{\psframebox[fillstyle=solid,fillcolor=cyan]{
@@ -338,18 +338,63 @@
   \psframe[fillstyle=solid,fillcolor=white](16,2.6)(26,12.6)
   \psframe[fillstyle=solid,fillcolor=lightgray](18,4.6)(24,10.6)
   \psframe[fillstyle=solid,fillcolor=gray](18.5,5.1)(23.5,10.1)
-  \rput(17,8.4){\pnode{ins1}}
-  \rput(18.15,6.88){\pnode{ins2}}
+  \rput(9,5.4){\pnode{in1}}
+  \rput(15,5.4){\pnode{in-1}}
+  \rput(17,7.2){\pnode{ins1}}
+  \rput(14,4.2){\pnode{in2}}
+  \rput(15,4.2){\pnode{in-2}}
+  \rput(18.25,6.88){\pnode{ins2}}
+  \rput(12,3.0){\pnode{in3}}
+  \rput(15,3.0){\pnode{in-3}}
   \rput(21,7.6){\pnode{ins3}}
-  \ncline[linewidth=0.08]{->}{in1}{ins1}
-  \ncline[linewidth=0.08]{->}{in2}{ins2}
-  \ncline[linewidth=0.08]{->}{in3}{ins3}
+  \ncline[linewidth=0.05]{->}{in-1}{ins1}
+  \ncline[linewidth=0.05]{->}{in-2}{ins2}
+  \ncline[linewidth=0.05]{->}{in-3}{ins3}
+  \ncline[linewidth=0.05]{-}{in1}{in-1}
+  \ncline[linewidth=0.05]{-}{in2}{in-2}
+  \ncline[linewidth=0.05]{-}{in3}{in-3}
  \end{pspicture}
 }
 
-    {\bf Results:}\\
-    Foobar hier ..
- 
+    {\bf Results and interpretation:}\\
+    Si-C and C-C pair correlation function:\\
+    \includegraphics[width=24cm]{pc_si-c_c-c.eps}
+    \begin{center}
+    {\tiny
+     {\bf Dashed vertical lines:} Further calculated C-Si distances 
+     in the $<100>$ C-Si dumbbell interstitial configuration}\\[0.5cm]
+    \end{center}
+    Si-Si pair correlation function:\\
+    \includegraphics[width=24cm]{pc_si-si.eps}\\
+    {\small
+    \begin{itemize}
+      \item C-C peak at 0.15 nm similar to next neighbour distance of graphite
+            or diamond\\
+	    $\Rightarrow$ Formation of strong C-C bonds
+	                  (almost only for high C concentrations)
+      \item C-C peak at 0.31 nm equals C-C distance in 3C-SiC\\
+            (due to concatenated, differently oriented
+	     $<100>$ dumbbell interstitials)
+      \item Si-Si shows non-zero g(r) values around 0.31 nm
+            and decrease at regular distances\\
+            (no clear peak,
+	     interval of enhanced g(r) corresponds to C-C peak width)
+      \item Si-C peak at 0.19 nm similar to next neighbour distance in 3C-SiC
+      \item Low C concentration (i.e. $V_1$): The $<100>$ dumbbell configuration
+            \begin{itemize}
+              \item is identified to stretch the Si-Si next neighbour distance
+	            to 0.3 nm
+	      \item is identified to contribute to the Si-C peak at 0.19 nm
+	      \item explains further C-Si peaks (dashed vertical lines)
+	    \end{itemize}
+      \item High C concentration (i.e. $V_2$ and $V_3$):
+            \begin{itemize}
+	      \item High amount of damage introduced into the system
+	      \item Short range order observed but almost no long range order
+	    \end{itemize}
+    \end{itemize}
+    }
+
   \end{pbox}
   \begin{pbox}
     \section*{Conclusions}