49 lines
1.9 KiB
TeX
49 lines
1.9 KiB
TeX
\begin{tikzpicture}[scale=1]
|
|
|
|
\pgfmathsetmacro{\tkW}{8} % Total width
|
|
\pgfmathsetmacro{\tkH}{5} % Total height
|
|
% left
|
|
\pgfmathsetmacro{\tkLx}{0} % Start
|
|
\pgfmathsetmacro{\tkLW}{2} % Right width
|
|
\pgfmathsetmacro{\tkLyshift}{0.0} % y-shift
|
|
\pgfmathsetmacro{\tkLBendH}{0} % Band bending height
|
|
\pgfmathsetmacro{\tkLBendW}{0} % Band bending width
|
|
\pgfmathsetmacro{\tkLEV}{4.0+\tkLyshift}% Vacuum energy
|
|
\pgfmathsetmacro{\tkLEf}{2.5+\tkLyshift}% Fermi level energy
|
|
% right
|
|
\pgfmathsetmacro{\tkRx}{4} % Left start
|
|
\pgfmathsetmacro{\tkRW}{\tkW-\tkRx} % Left width
|
|
\pgfmathsetmacro{\tkRyshift}{0} % y-shift
|
|
\pgfmathsetmacro{\tkRBendH}{0.5} % Band bending height
|
|
\pgfmathsetmacro{\tkRBendW}{\tkRW/4} % Band bending width
|
|
\pgfmathsetmacro{\tkREv}{0.7+\tkRyshift}% Valence band energy
|
|
\pgfmathsetmacro{\tkREc}{2.5+\tkRyshift}% Conduction band energy
|
|
\pgfmathsetmacro{\tkREV}{4.0+\tkRyshift}% Vacuum energy
|
|
\pgfmathsetmacro{\tkREf}{2.0+\tkRyshift}% Fermi level energy
|
|
|
|
% materials
|
|
\draw[sc metal] (0,0) rectangle (\tkLW,\tkH);
|
|
\node at (\tkLW/2,\tkH-0.2) {\GT{metal}};
|
|
\path[sc n type] (\tkRx,0) rectangle (\tkW,\tkH);
|
|
\node at (\tkRx+\tkRW/2,\tkH-0.2) {\GT{n-type}};
|
|
|
|
\drawAxes
|
|
|
|
% right bands
|
|
\path[sc occupied] (\tkRx, 0) -- \rightBand{}{\tkREv} -- (\tkW, 0) -- cycle;
|
|
\draw[sc band con] \rightBand{$\Econd$}{\tkREc};
|
|
\draw[sc band val] \rightBand{$\Evalence$}{\tkREv};
|
|
\draw[sc band vac] (0,\tkLEV) -- \rightBand{$\Evac$}{\tkREV};
|
|
\draw[sc fermi level] \rightBand{$\Efermi$}{\tkREf};
|
|
% left bands
|
|
\path[sc occupied] (0,0) rectangle (\tkLW,\tkLEf);
|
|
\draw[sc fermi level] \leftBand{$\Efermi$}{\tkLEf};
|
|
|
|
% work functions
|
|
\drawDArrow{\tkLW/2}{\tkLEf}{\tkLEV}{$e\Phi_\txM$}
|
|
\drawDArrow{\tkRx+\tkRW*2/3}{\tkREf}{\tkREV}{$e\Phi_\txS$}
|
|
\drawDArrow{\tkRx+\tkRW*1/3}{\tkREc}{\tkREV}{$e\chi$}
|
|
|
|
\end{tikzpicture}
|
|
|