From: hackbard Date: Mon, 12 Oct 2009 19:00:25 +0000 (+0200) Subject: evening checkin ... X-Git-Url: https://hackdaworld.org/gitweb/?p=lectures%2Flatex.git;a=commitdiff_plain;h=792f53fd52b825dc48ced04fa6de8d08365ec03f evening checkin ... --- diff --git a/posic/talks/upb-ua-xc.tex b/posic/talks/upb-ua-xc.tex index af77340..906a002 100644 --- a/posic/talks/upb-ua-xc.tex +++ b/posic/talks/upb-ua-xc.tex @@ -1985,6 +1985,74 @@ $z,x'$-axis rotation: $45.0^{\circ}$, $0.0^{\circ}$ \end{slide} +\begin{slide} + + {\large\bf\boldmath + Silicon point defects + } + + \begin{minipage}{3.2cm} + \underline{Vacancy} + \begin{itemize} + \item $E_{\text{f}}=3.63\text{ eV}$ + \end{itemize} + \includegraphics[width=3cm]{si_pd_vasp/vac_2333.eps}\\ + \underline{\hkl<1 1 0> interstitial} + \begin{itemize} + \item $E_{\text{f}}=3.63\text{ eV}$ + \end{itemize} + %\includegraphics[width=3cm]{si_pd_vasp/vac_2333.eps} + in progress + \end{minipage} + \begin{minipage}{4.5cm} + \begin{center} + \includegraphics[height=8cm]{si_pd_vasp/vac_2333_ksl.ps}\\ + {\scriptsize Vacancy} + \end{center} + \end{minipage} + \begin{minipage}{4.5cm} + \begin{center} + %\includegraphics[height=8cm]{si_pd_vasp/vac_2333_ksl.ps} + in progress + {\scriptsize \hkl<1 1 0> interstitial} + \end{center} + \end{minipage} + +\end{slide} + +\begin{slide} + + {\large\bf\boldmath + Carbon point defects in silicon + } + + \begin{minipage}{3.2cm} + \underline{C substitutional} + \begin{itemize} + \item $E_{\text{f}}=1.39\text{ eV}$ + \end{itemize} + \includegraphics[width=3cm]{c_pd_vasp/sub_2333.eps}\\ + \underline{\hkl<1 0 0> interstitial} + \begin{itemize} + \item $E_{\text{f}}=3.15\text{ eV}$ + \end{itemize} + \includegraphics[width=3cm]{c_pd_vasp/100_2333.eps} + \end{minipage} + \begin{minipage}{4.5cm} + \begin{center} + \includegraphics[height=8cm]{c_pd_vasp/sub_2333_ksl.ps}\\ + {\scriptsize C substitutional} + \end{center} + \end{minipage} + \begin{minipage}{4.5cm} + \begin{center} + \includegraphics[height=8cm]{c_pd_vasp/100_2333_ksl.ps} + {\scriptsize \hkl<1 0 0> interstitial} + \end{center} + \end{minipage} + +\end{slide} + \begin{slide} {\large\bf\boldmath @@ -2078,6 +2146,32 @@ $z,x'$-axis rotation: $45.0^{\circ}$, $0.0^{\circ}$ \end{slide} +\begin{slide} + + {\large\bf\boldmath + Combination of defects + } + + \begin{tabular}{|l|l|l|l|} + \hline + & 2 & 3 & 4 \\ + \hline +\hkl<0 0 -1> & 6.23 & 5.16 & \\ + \hline +\hkl<0 0 1> & 6.64 & 6.31 & \\ + \hline +\hkl<1 0 0> & 4.06 & 6.13 & \\ + \hline +\hkl<-1 0 0> & - & 4.41 & \\ + \hline +\hkl<0 1 0> & - & 5.95 & \\ + \hline +\hkl<0 -1 0> & 3.92 & ... & \\ + \hline + \end{tabular} + +\end{slide} + \begin{slide} {\large\bf @@ -2143,9 +2237,17 @@ $z,x'$-axis rotation: $45.0^{\circ}$, $0.0^{\circ}$ Molecular dynamics simulations (VASP) } - 1 C atom in $3\times 3\times 3$ Type 2 supercell at $900\,^{\circ}\text{C}$ + 1 C atom in $3\times 3\times 3$ Type 2 supercell at $900\,^{\circ}\text{C}$\\\\ - in progress ... + Video \href{../video/md_01c_2333si_900_vasp.avi}{$\rhd_{\text{local}}$ } $|$ + \href{http://www.physik.uni-augsburg.de/~zirkelfr/download/posic/md_01c_2333si_900_vasp.avi}{$\rhd_{\text{remote url}}$}\\\\ + + \begin{itemize} + \item Inserted C becomes a \hkl<0 0 1> interstitial after a few femto-seconds + \item {\color{red}There is a non-zero total momentum!} + \item Migration of the C atom not observed + \item C \hkl<0 0 1> configuration persists + \end{itemize} \end{slide}