X-Git-Url: https://hackdaworld.org/gitweb/?p=lectures%2Flatex.git;a=blobdiff_plain;f=nlsop%2Fposter%2Fnlsop_ibmm2006.tex;fp=nlsop%2Fposter%2Fnlsop_ibmm2006.tex;h=098893771024e247f4e48076db03a6011bfcea13;hp=1188e13d5365c5c2420a76380df8e40c85b2f89f;hb=ffbb152419ec0697b3e12a77165307a35c056370;hpb=5ef6b653a12529e75490706c276f836303dcca66 diff --git a/nlsop/poster/nlsop_ibmm2006.tex b/nlsop/poster/nlsop_ibmm2006.tex index 1188e13..0988937 100644 --- a/nlsop/poster/nlsop_ibmm2006.tex +++ b/nlsop/poster/nlsop_ibmm2006.tex @@ -171,7 +171,7 @@ } %\hfill }} -\hfill\mbox{}\\[0.1cm] +\hfill\mbox{}\\[0cm] %\vspace*{1.3cm} @@ -224,10 +224,12 @@ $\rightarrow$ {\bf amourphous} precipitates \item $20 - 30\,\%$ lower silicon density of $a-SiC_x$ compared to $c-Si$\\ $\rightarrow$ {\bf lateral strain} (black arrows) +\item implantation range near surface\\ + $\rightarrow$ {\bf ralaxation} of {\bf vertical strain component} \item reduction of the carbon supersaturation in $c-Si$\\ $\rightarrow$ {\bf carbon diffusion} into amorphous volumina (white arrows) -\item lateral strain (vertical component relaxating)\\ +\item remaining lateral strain\\ $\rightarrow$ {\bf strain induced} lateral amorphization \end{itemize} \end{kasten} @@ -257,9 +259,9 @@ \subsubsection*{3.2.1 Amorphization/Recrystallization} \begin{itemize} - \item random numbers according to the nuclear - energy loss to determine the volume hit - by an impinging ion + \item random numbers distributed according to + the nuclear energy loss to determine the + volume hit by an impinging ion \item compute local probability for amorphization:\\ \[ @@ -289,8 +291,8 @@ Three contributions to the amorphization process controlled by: \subsubsection*{3.2.2 Carbon incorporation} \begin{itemize} - \item random numbers according to the - implantation profile to determine the + \item random numbers distributed according to + the implantation profile to determine the incorporation volume \item increase the amount of carbon atoms in that volume @@ -353,9 +355,10 @@ Three contributions to the amorphization process controlled by: \makebox[11cm]{% \parbox[c]{5cm}{% \begin{itemize} - \item multiple implantation \\ steps + \item multiple implantation\\ + steps \item energies: $180$ - $10 \, keV$ - \item higher temeprature\\ + \item temeprature: $500 ^{\circ} \mathrm{C}$\\ $\rightarrow$ prevent amorphization \end{itemize} $\Rightarrow$ nearly constant carbon distribution @@ -370,14 +373,17 @@ Three contributions to the amorphization process controlled by: \begin{center} \includegraphics[width=10cm]{multiple_impl_e.eps} \end{center} + Starting point for materials with high photoluminescence.\\ + Dihu Chen et al. Opt. Mater. 23 (2003) 65. \end{kasten} \begin{kasten} - \section*{5 \hspace{0.1cm} {\color{red} Conclusions}} + \section*{5 \hspace{0.1cm} {\color{red} Conclusion}} \begin{itemize} \item selforganized nanometric precipitates by ion irradiation \item model describing the seoforganization process - \item precipitate structures traceable by simulation + \item set of parameters reproducing the experimental observations + \item precipitation process traceable by simulation \item detailed structural/compositional information \item recipe for broad distributions of lamellar structure \end{itemize}