Comment améliorer une courbe en l'élargissant ?

\documentclass{article}
\usepackage{pgfplots}

\begin{document}
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    \begin{tikzpicture}
        \begin{axis}[
            xlabel={Energy MeV }, % Nom de l'axe des x
            ylabel={Stopping Power  \textbf{$MeV.cm^2/mg$}},
            xmin=0,xmax=10,ymode=log,
            grid=both,
            legend style={at={(0.5,1.12)}, anchor=north},
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\end{document}