]> hackdaworld.org Git - lectures/latex.git/commitdiff
interstitial fixes
authorhackbard <hackbard@sage.physik.uni-augsburg.de>
Sun, 17 Feb 2008 13:44:35 +0000 (14:44 +0100)
committerhackbard <hackbard@sage.physik.uni-augsburg.de>
Sun, 17 Feb 2008 13:44:35 +0000 (14:44 +0100)
posic/talks/dpg_2008.tex

index 1f6bce4cc820951f3fb19b86d22b89e49661f974..ccdea85159e734855ab7de4774db86c8de7a094d 100644 (file)
   Simulation details
  }
 
- \vspace{16pt}
+ \vspace{20pt}
 
  Interstitial experiments:
 
         \item random positions (critical distance check)
        \end{itemize}
   \item Relaxation time: $2\, ps$
+  \item Optional heating-up 
  \end{itemize}
 
- \begin{picture}(0,0)(-210,-65)
+ \begin{picture}(0,0)(-210,-85)
   \includegraphics[width=6cm]{unit_cell.eps}
  \end{picture}
 
 
  Si self-interstitial experiments:
 
+ {\footnotesize
+ {\bf Note:}
+ \begin{itemize}
+  \item $r_{cutoff}^{Si-Si}=2.96>\frac{5.43}{2}$
+  \item Bond length near $r_{cutoff} \Rightarrow$ small bond strength
+ \end{itemize}
+ }
+
  \vspace{8pt}
 
  \small
  \underline{Tetrahedral}
  \begin{itemize}
   \item $E_F=3.41\, eV$
-  \item $r_{cutoff}^{Si-Si}=2.96>\frac{5.43}{2}$
+  \item essentialy tetrahedral\\
+        bonds
  \end{itemize}
  \end{minipage}
  \hspace{0.3cm}
  \underline{110 dumbbell}
  \begin{itemize}
   \item $E_F=4.39\, eV$
-  \item Small bond strength
+  \item essentially 4 bonds
  \end{itemize}
  \end{minipage}
  \hspace{0.3cm}
  \begin{minipage}[t]{4.0cm}
  \underline{Hexagonal}
  \begin{itemize}
-  \item $E_F=4.48\, eV$
-  \item unstable for $T\ne 0\,K$
+  \item $E_F^{\star}=4.48\, eV$
+  \item unstable!
  \end{itemize}
  \end{minipage}
 
  \includegraphics[width=3.8cm]{c_in_si_int_dumbbell_0.eps}
  \end{minipage}
  \begin{minipage}{4.3cm}
%\includegraphics[width=3.8cm]{si_self_int_hexa_0.eps}
\includegraphics[width=3.8cm]{c_in_si_int_hexa_0.eps}
  \end{minipage}
 
 \end{slide}