X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=posic%2Ftalks%2Fdpg_2008.tex;h=0a481f5754da97c10887edf224944188502662b4;hb=1c87435acb40b2d01534ab4b2f9f96a1bf3ae894;hp=de7bc056d32938bfc93a5868e51493a3a012202a;hpb=bf5c410802c94887cf7e49fad9ad06e450ad8069;p=lectures%2Flatex.git diff --git a/posic/talks/dpg_2008.tex b/posic/talks/dpg_2008.tex index de7bc05..0a481f5 100644 --- a/posic/talks/dpg_2008.tex +++ b/posic/talks/dpg_2008.tex @@ -240,7 +240,7 @@ Application details: \begin{itemize} \item Integrator: Velocity Verlet, timestep: $1\, fs$ - \item Ensemble control: NVT, Berendsen thermostat, $\tau=100.0$ + \item Ensemble: NVT, Berendsen thermostat, $\tau=100.0$ \item Potential: Tersoff-like bond order potential\\ \[ E = \frac{1}{2} \sum_{i \neq j} \pot_{ij}, \quad @@ -263,27 +263,39 @@ Simulation details } - \vspace{20pt} + \vspace{8pt} Interstitial experiments: - \vspace{12pt} + \vspace{8pt} - \begin{itemize} - \item Initial configuration: $9\times9\times9$ unit cells Si - \item Periodic boundary conditions - \item $T=0 \, K$ - \item Insertion of Si / C atom at - \begin{itemize} - \item $(0,0,0)$ $\rightarrow$ {\color{red}tetrahedral} - \item $(-1/8,-1/8,1/8)$ $\rightarrow$ {\color{green}hexagonal} - \item $(-1/8,-1/8,-1/4)$, $(-1/4,-1/4,-1/4)$\\ - $\rightarrow$ {\color{magenta}110 dumbbell} - \item random positions (critical distance check) - \end{itemize} - \item Relaxation time: $2\, ps$ - \item Optional heating-up - \end{itemize} + \begin{pspicture}(0,0)(7,8) + \rput(3.5,7){\rnode{init}{\psframebox[fillstyle=solid,fillcolor=green]{ + \parbox{7cm}{ + \begin{itemize} + \item Initial configuration: $9\times9\times9$ unit cells Si + \item Periodic boundary conditions + \item $T=0 \, K$ + \end{itemize} + }}}} +\rput(3.5,3.5){\rnode{insert}{\psframebox{ + \parbox{7cm}{ + Insertion of C / Si atom: + \begin{itemize} + \item $(0,0,0)$ $\rightarrow$ {\color{red}tetrahedral} + \item $(-1/8,-1/8,1/8)$ $\rightarrow$ {\color{green}hexagonal} + \item $(-1/8,-1/8,-1/4)$, $(-1/4,-1/4,-1/4)$\\ + $\rightarrow$ {\color{magenta}110 dumbbell} + \item random positions (critical distance check) + \end{itemize} + }}}} + \rput(3.5,1){\rnode{cool}{\psframebox[fillstyle=solid,fillcolor=cyan]{ + \parbox{3.5cm}{ + Relaxation time: $2\, ps$ + }}}} + \ncline[]{->}{init}{insert} + \ncline[]{->}{insert}{cool} + \end{pspicture} \begin{picture}(0,0)(-210,-45) \includegraphics[width=6cm]{unit_cell.eps} @@ -443,18 +455,30 @@ \begin{slide} {\large\bf - Results + Very first results of the SiC precipitation experiments } - SiC-precipitation experiments: - \begin{minipage}[t]{6.3cm} \includegraphics[width=6.0cm]{../plot/sic_prec_energy.ps} \includegraphics[width=6.0cm]{../plot/sic_prec_temp.ps} \end{minipage} - \begin{minipage}[t]{6cm} + \begin{minipage}[t]{6.3cm} + \includegraphics[width=6.0cm]{../plot/sic_prec_energy_zoom.ps} + %\includegraphics[width=6.0cm]{../plot/sic_prec_temp.ps} + \end{minipage} + +\end{slide} + +\begin{slide} + + {\large\bf + Very first results of the SiC precipitation experiments + } + + \begin{minipage}[c]{12cm} \includegraphics[width=6.0cm]{../plot/sic_pc.ps} - \includegraphics[width=6.0cm]{../plot/sic_prec_pc.ps} + \hspace{4pt} + \includegraphics[width=5.0cm]{sic_si-c-n.eps} \end{minipage} \end{slide}