From: hackbard Date: Sun, 17 Feb 2008 13:44:35 +0000 (+0100) Subject: interstitial fixes X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a928191ab805a50a28bef4fc324ebaa1469a900;p=lectures%2Flatex.git interstitial fixes --- diff --git a/posic/talks/dpg_2008.tex b/posic/talks/dpg_2008.tex index 1f6bce4..ccdea85 100644 --- a/posic/talks/dpg_2008.tex +++ b/posic/talks/dpg_2008.tex @@ -235,7 +235,7 @@ Simulation details } - \vspace{16pt} + \vspace{20pt} Interstitial experiments: @@ -254,9 +254,10 @@ \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} @@ -308,6 +309,14 @@ 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 @@ -316,7 +325,8 @@ \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} @@ -324,15 +334,15 @@ \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} @@ -400,7 +410,7 @@ \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}