From: hackbard Date: Sat, 12 Jun 2010 12:15:17 +0000 (+0200) Subject: finished polytypes slide X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f14aef6d5395a7e3ec537b6025aa36a1490464d9;p=lectures%2Flatex.git finished polytypes slide --- diff --git a/posic/talks/seminar_2010.tex b/posic/talks/seminar_2010.tex index 9743c73..1224040 100644 --- a/posic/talks/seminar_2010.tex +++ b/posic/talks/seminar_2010.tex @@ -198,23 +198,45 @@ \small -\begin{tabular}{l | c c c c c c} +\begin{tabular}{l c c c c c c} \hline & 3C-SiC & 4H-SiC & 6H-SiC & Si & GaN & Diamond\\ \hline -Hardness [Mohs] & 9.6 & & & 6.5 & & 10 \\ +Hardness [Mohs] & \multicolumn{3}{c}{------ 9.6 ------}& 6.5 & - & 10 \\ Band gap [eV] & 2.36 & 3.23 & 3.03 & 1.12 & 3.39 & 5.5 \\ -Break down field [$10^6$ V/cm] & & & & & & \\ -Saturation drift velocity [] & & & & & & \\ -Electron mobility [] & & & & & & \\ -Hole mobility [] & & & & & & \\ -Thermal conductivity [] & & & & & & \\ +Break down field [$10^6$ V/cm] & 4 & 3 & 3.2 & 0.6 & 5 & 10 \\ +Saturation drift velocity [$10^7$ cm/s] & 2.5 & 2.0 & 2.0 & 1 & 2.7 & 2.7 \\ +Electron mobility [cm$^2$/Vs] & 800 & 900 & 400 & 1100 & 900 & 2200 \\ +Hole mobility [cm$^2$/Vs] & 320 & 120 & 90 & 420 & 150 & 1600 \\ +Thermal conductivity [W/cmK] & 5.0 & 4.9 & 4.9 & 1.5 & 1.3 & 22 \\ \hline \end{tabular} +{\tiny + Values for $T=300$ K +} + \begin{picture}(0,0)(-160,-155) \includegraphics[width=7cm]{polytypes.eps} \end{picture} +\begin{picture}(0,0)(-10,-185) + \includegraphics[width=3.8cm]{cubic_hex.eps}\\ +\end{picture} +\begin{picture}(0,0)(-10,-175) + {\tiny cubic (twist)} +\end{picture} +\begin{picture}(0,0)(-60,-175) + {\tiny hexagonal (no twist)} +\end{picture} +\begin{pspicture}(0,0)(0,0) +\psellipse[linecolor=green](5.7,3.03)(0.4,0.5) +\end{pspicture} +\begin{pspicture}(0,0)(0,0) +\psellipse[linecolor=green](5.6,1.68)(0.4,0.2) +\end{pspicture} +\begin{pspicture}(0,0)(0,0) +\psellipse[linecolor=red](10.7,1.13)(0.4,0.2) +\end{pspicture} \end{slide}