66 lines
2.6 KiB
TeX
66 lines
2.6 KiB
TeX
\newcommand\tikzPnJunction[7]{
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\begin{tikzpicture}[scale=1.0]
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\pgfmathsetmacro{\tkW}{8} % Total width
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\pgfmathsetmacro{\tkH}{5} % Total height
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% left
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\pgfmathsetmacro{\tkLx}{0} % Start
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\pgfmathsetmacro{\tkLW}{\tkW*#1} % Width
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\pgfmathsetmacro{\tkLyshift}{#2} % y-shift
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\pgfmathsetmacro{\tkLBendH}{#3} % Band bending height
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\pgfmathsetmacro{\tkLBendW}{\tkLW/4} % Band bending width
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\pgfmathsetmacro{\tkLEv}{0.7+\tkLyshift}% Valence band energy
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\pgfmathsetmacro{\tkLEc}{2.3+\tkLyshift}% Conduction band energy
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\pgfmathsetmacro{\tkLEV}{4.0+\tkLyshift}% Vacuum energy
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\pgfmathsetmacro{\tkLEf}{1.1+\tkLyshift}% Fermi level energy
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% right
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\pgfmathsetmacro{\tkRx}{\tkW*(1-#4)} % Start
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\pgfmathsetmacro{\tkRW}{\tkW*#4} % Width
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\pgfmathsetmacro{\tkRyshift}{#5} % y-shift
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\pgfmathsetmacro{\tkRBendH}{#6} % Band bending height
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\pgfmathsetmacro{\tkRBendW}{\tkRW/4} % Band bending width
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\pgfmathsetmacro{\tkREv}{0.7+\tkRyshift}% Valence band energy
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\pgfmathsetmacro{\tkREc}{2.3+\tkRyshift}% Conduction band energy
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\pgfmathsetmacro{\tkREV}{4.0+\tkRyshift}% Vacuum energy
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\pgfmathsetmacro{\tkREf}{1.9+\tkRyshift}% Fermi level energy
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% materials
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\draw[sc p type] (0,0) rectangle (\tkLW,\tkH);
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\node at (\tkLW/2,\tkH-0.2) {\GT{p-type}};
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\path[sc separate] (\tkRx,0) -- (\tkRx,\tkH);
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\path[sc n type] (\tkRx,0) rectangle (\tkW,\tkH);
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\node at (\tkRx+\tkRW/2,\tkH-0.2) {\GT{n-type}};
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\path[sc separate] (\tkLW,0) -- (\tkLW,\tkH);
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\drawAxes
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% right bands
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\path[sc occupied] (\tkRx, 0) -- \rightBandAuto{}{\tkREv} -- (\tkW, 0) -- cycle;
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\draw[sc band con] \rightBandAuto{$\Econd$}{\tkREc};
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\draw[sc band val] \rightBandAuto{$\Evalence$}{\tkREv};
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\draw[sc band vac] \rightBandAuto{$\Evac$}{\tkREV};
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\draw[sc fermi level] \rightBand{$\Efermi$}{\tkREf};
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% left bands
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\path[sc occupied] (\tkLx, 0) -- \leftBandAuto{}{\tkLEv} -- (\tkLW, 0) -- cycle;
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\draw[sc band con] \leftBandAuto{$\Econd$}{\tkLEc};
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\draw[sc band val] \leftBandAuto{$\Evalence$}{\tkLEv};
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\draw[sc band vac] \leftBandAuto{$\Evac$}{\tkLEV};
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\draw[sc fermi level] \leftBand{$\Efermi$}{\tkLEf};
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% work functions
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\drawDArrow{\tkRx+\tkRW*2/3}{\tkREf}{\tkREV}{$e\Phi_\txn$}
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\drawDArrow{\tkRx+\tkRW*1/3}{\tkREc}{\tkREV}{$e\chi_\txn$}
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\drawDArrow{\tkLx+\tkLW*2/3}{\tkLEf}{\tkLEV}{$e\Phi_\txp$}
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\drawDArrow{\tkLx+\tkLW*1/3}{\tkLEc}{\tkLEV}{$e\chi_\txp$}
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% barrier height
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% \drawDArrow{\tkRx+\tkRBendW}{\tkREc}{\tkREc+\tkRBendH}{$eU_\text{Bias}$}
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% \drawDArrow{\tkRx}{\tkREf}{\tkREc+\tkRBendH}{$e\Phi_\txB$}
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#7
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\end{tikzpicture}
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}
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% \tikzPnJunction{1/3}{0}{0}{1/3}{0}{0}{}
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% \tikzPnJunction{1/2}{0.4}{-0.4}{1/2}{-0.4}{0.4}{}
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