From: hackbard <hackbard@sage.physik.uni-augsburg.de>
Date: Wed, 29 Jul 2009 09:36:45 +0000 (+0200)
Subject: new gamma only gga 300 eV results
X-Git-Url: https://hackdaworld.org/gitweb/?p=lectures%2Flatex.git;a=commitdiff_plain;h=6df80c58ea9ceda2479c185f218e868a42a44fe0

new gamma only gga 300 eV results
---

diff --git a/posic/talks/upb-ua-xc.tex b/posic/talks/upb-ua-xc.tex
index affd26e..f652d80 100644
--- a/posic/talks/upb-ua-xc.tex
+++ b/posic/talks/upb-ua-xc.tex
@@ -675,13 +675,13 @@ POTIM = 0.1
  \end{itemize}
  \vspace*{0.2cm}
  \underline{Param 2}\\
- After talking to the pros! Used for 'large' simulations.
+ After talking to the pros!
  \begin{itemize}
   \item $\Gamma$-point only
   \item $E_{\text{cut-off}}=xyz\text{ eV}$
   \item Gaussian smearing ($\sigma=0.05$)
   \item Use symmetry
-  \item Real space projection (Auto, Medium)
+  \item Real space projection (Auto, Medium) for 'large' simulations
  \end{itemize}
  \vspace*{0.2cm}
  {\color{blue}
@@ -714,41 +714,110 @@ POTIM = 0.1
  \hline
  \end{tabular}\\
 
+ \begin{minipage}{10cm}
  $2\times 2\times 2$ Type 2 supercell, 3C-SiC, Param 1\\[0.2cm]
  \begin{tabular}{|l|l|l|l|}
  \hline
   & {\color{magenta}US PP, GGA} & PAW, LDA & PAW, GGA \\
  \hline
- Lattice constant [\AA] & 4.370 & 4.330 & \\
- Error [\%] & {\color{green}0.3} & {\color{green}0.7} & still \\
+ Lattice constant [\AA] & 4.370 & 4.330 & 4.379 \\
+ Error [\%] & {\color{green}0.3} & {\color{green}0.7} & {\color{green}0.5} \\
  \hline
- Cohesive energy [eV] & -6.426 & -7.371 & \\
- Error [\%] & {\color{green}1.4} & {\color{red}16.3} & running \\
+ Cohesive energy [eV] & -6.426 & -7.371 & -6.491 \\
+ Error [\%] & {\color{green}1.4} & {\color{red}16.3} & {\color{green}2.4} \\
  \hline
  \end{tabular}
+ \end{minipage}
+ \begin{minipage}{3cm}
+ US PP, GGA\\[0.2cm]
+ \begin{tabular}{|l|l|}
+ \hline
+ c-Si & c-C \\
+ \hline
+ 5.455 & 3.567 \\
+ {\color{green}0.5} & {\color{green}0.01} \\
+ \hline
+ -4.591 & -7.703 \\
+ {\color{green}0.8} & {\color{orange}4.5} \\
+ \hline
+ \end{tabular}
+ \end{minipage}
 
 \end{slide}
 
 \begin{slide}
 
  {\large\bf
-  C interstitial in c-Si
+  Energy cut-off for $\Gamma$-point only caclulations
  }
 
- 
+ $2\times 2\times 2$ Type 2 supercell, Param 2, US PP, LDA, 3C-SiC\\[0.2cm]
+ \includegraphics[width=5.5cm]{sic_32pc_gamma_cutoff.ps}
+ \includegraphics[width=5.5cm]{sic_32pc_gamma_cutoff_lc.ps}\\
+ $\Rightarrow$ Use 300 eV as energy cut-off?\\[0.2cm]
+ $2\times 2\times 2$ Type 2 supercell, Param 2, 300 eV, US PP, GGA\\[0.2cm]
+ \small
+ \begin{minipage}{10cm}
+ \begin{tabular}{|l|l|l|l|}
+ \hline
+  & c-Si & c-C (diamond) & 3C-SiC \\
+ \hline
+ Lattice constant [\AA] & 5.470 & 3.569 & 4.364 \\
+ Error [\%] & {\color{green}0.8} & {\color{green}0.1} & {\color{green}0.1} \\
+ \hline
+ Cohesive energy [eV] & -4.488 & -7.612 & -6.359 \\
+ Error [\%] & {\color{orange}3.1} & {\color{orange}3.2} & {\color{green}0.3} \\
+ \hline
+ \end{tabular}
+ \end{minipage}
+ \begin{minipage}{2cm}
+ {\LARGE
+  ${\color{green}\surd}$
+ }
+ \end{minipage}
 
 \end{slide}
 
 \begin{slide}
 
  {\large\bf
-  Energy cut-off for $\Gamma$-point only caclulations\\
+  C 100 interstitial migration along 110 in c-Si (Albe potential)
  }
 
- $2\times 2\times 2$ Type 2 supercell, Param 2, 3C-SiC\\[0.2cm]
- \includegraphics[width=5.5cm]{sic_32pc_gamma_cutoff.ps}
- \includegraphics[width=5.5cm]{sic_32pc_gamma_cutoff_lc.ps}\\
- $\Rightarrow$ Use 300 eV as energy cut-off?
+ \small
+
+ \begin{minipage}[t]{4.2cm}
+ \underline{Starting configuration}\\
+ \includegraphics[width=4cm]{c_100_mig/start.eps}
+ \end{minipage}
+ \begin{minipage}[t]{4.0cm}
+ \vspace*{0.8cm}
+ $\Delta x=\frac{1}{4}a_{\text{Si}}=1.357\text{ \AA}$\\
+ $\Delta y=\frac{1}{4}a_{\text{Si}}=1.357\text{ \AA}$\\
+ $\Delta z=0.325\text{ \AA}$\\
+ \end{minipage}
+ \begin{minipage}[t]{4.2cm}
+ \underline{Final configuration}\\
+ \includegraphics[width=4cm]{c_100_mig/final.eps}\\
+ \end{minipage}
+ \begin{minipage}[t]{6cm}
+ \begin{itemize}
+  \item Constraints applied:
+        \begin{itemize}
+         \item along {\color{green}110 direction}
+         \item C atom {\color{red}entirely fixed in position}
+        \end{itemize}
+  \item C atom repeatedly displaced by\\
+        $\frac{1}{10}(\Delta x,\Delta y,\Delta z)$
+ \end{itemize}
+ \end{minipage}
+ \begin{minipage}[t]{0.5cm}
+ \hfill
+ \end{minipage}
+ \begin{minipage}[t]{6cm}
+ hier kommt mig energie rein ...
+ \end{minipage}
+
 
 \end{slide}