From: hackbard Date: Fri, 31 Jul 2009 13:50:34 +0000 (+0200) Subject: more mig stuff X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8c736106da8aa48a4e3794d3e2384358f08d8d6;p=lectures%2Flatex.git more mig stuff --- diff --git a/posic/talks/upb-ua-xc.tex b/posic/talks/upb-ua-xc.tex index 8561eb3..b1483e6 100644 --- a/posic/talks/upb-ua-xc.tex +++ b/posic/talks/upb-ua-xc.tex @@ -916,6 +916,38 @@ POTIM = 0.1 \end{slide} +\begin{slide} + + {\large\bf + C 100 interstitial migration along 110 in c-Si (Albe potential)\\ + } + + {\color{blue}New approach:}\\ + Place interstitial carbon atom at the respective coordinates + into a perfect c-Si matrix!\\ + {\color{red}Problem:}\\ + Too high forces due to the small distance of the C atom to the Si + atom sharing the lattice site.\\ + {\color{green}Solution:} + Slightly displace the Si atom\\ + + \begin{minipage}{6.5cm} + Result: + (Video \href{../video/c_in_si_pmig_albe.avi}{$\rhd_{\text{local}}$ } $|$ + \href{http://www.physik.uni-augsburg.de/~zirkelfr/download/posic/c_in_si_pmig_albe.avi}{$\rhd_{\text{remote url}}$})\\ + \includegraphics[width=6cm]{c_100_110pmig_01_albe.ps} + \end{minipage} + \begin{minipage}{6cm} + \begin{itemize} + \item Jump in energy (25 and 75 \%) corresponds to the abrupt + structural change (as seen in the video) + \item Due to the abrupt changes in structure and energy + this is {\color{red}not} the correct migration path and energy!?! + \end{itemize} + \end{minipage} + +\end{slide} + \begin{slide} {\large\bf