<?xml version="1.0"?> <!DOCTYPE ipe SYSTEM "ipe.dtd"> <ipe version="70005" creator="Ipe 7.1.2"> <info created="D:20130511174826" modified="D:20130603224345"/> <ipestyle name="cust"> <symbol name="arrow/fnormal(spx)"> <path fill="black"> 0 0 m -1 0.333 l -1 -0.333 l h </path> </symbol> <pen name="heavier" value="1"/> <arrowsize name="large" value="10"/> <arrowsize name="small" value="5"/> <arrowsize name="tiny" value="3"/> <color name="gray" value="0.5"/> <color name="darkgray" value="0.25"/> <color name="lightgray" value="0.75"/> <dashstyle name="dashed" value="[4] 0"/> <dashstyle name="dotted" value="[1] 0"/> <textsize name="large" value="\large"/> <textsize name="Large" value="\Large"/> <textsize name="LARGE" value="\LARGE"/> <textsize name="huge" value="\huge"/> <textsize name="Huge" value="\Huge"/> <textsize name="small" value="\small"/> <textsize name="footnote" value="\footnotesize"/> <textsize name="tiny" value="\tiny"/> <textstyle name="center" begin="\begin{center}" end="\end{center}"/> <textstyle name="itemize" begin="\begin{itemize}" end="\end{itemize}"/> <textstyle name="item" begin="\begin{itemize}\item{}" end="\end{itemize}"/> <gridsize name="4 pts" value="4"/> <gridsize name="8 pts (~3 mm)" value="8"/> <gridsize name="16 pts (~6 mm)" value="16"/> <gridsize name="32 pts (~12 mm)" value="32"/> <gridsize name="10 pts (~3.5 mm)" value="10"/> <gridsize name="20 pts (~7 mm)" value="20"/> <gridsize name="14 pts (~5 mm)" value="14"/> <gridsize name="28 pts (~10 mm)" value="28"/> <gridsize name="56 pts (~20 mm)" value="56"/> <gridsize name="2 pts" value="2"/> <anglesize name="90 deg" value="90"/> <anglesize name="60 deg" value="60"/> <anglesize name="45 deg" value="45"/> <anglesize name="30 deg" value="30"/> <anglesize name="22.5 deg" value="22.5"/> <layout paper="132 116" origin="0 0" frame="132 116"/> <gradient name="fermi" type="axial" coords="0 28 0 60" extend="yes">  <stop offset="0" color="0.25"/>  <stop offset="1" color="1"/> </gradient> <tiling name="falling" angle="-60" step="4" width="1"/> <tiling name="rising" angle="30" step="4" width="1"/> </ipestyle> <page> <layer name="alpha"/> <layer name="BBOX"/> <view layers="alpha" active="alpha"/> <path layer="alpha" fill="white" gradient="fermi"> 84 98 m 128 102 l 128 112 l 84 112 l </path> <path fill="white" gradient="fermi"> 28 16 m 84 16 l 84 30 l 76 26 60 26 s 28 26 l </path> <path fill="white" gradient="fermi"> 28 112 m 84 112 l 84 58 l 76 54 60 54 s 28 54 l </path> <path stroke="black" dash="dashed" pen="heavier"> 16 44 m 84 44 l </path> <text matrix="1 0 0 1 -150 -694.464" transformations="translations" pos="152 736" stroke="black" type="label" width="12.993" height="6.812" depth="1.49" valign="baseline">$E_{\rm F}$</text> <path layer="BBOX" stroke="black"> 0 0 m 0 116 l 132 116 l 132 0 l h </path> <path layer="alpha" matrix="1 0 0 1 2 -8" stroke="black" rarrow="normal/small"> 20 116 m 20 24 l </path> <text matrix="1 0 0 1 -134 -632.464" transformations="translations" pos="152 736" stroke="black" type="label" width="7.929" height="6.808" depth="0" halign="right" valign="baseline">$E$</text> <path matrix="1 0 0 1 0 -2" stroke="black" arrow="normal/small"> 32 12 m 128 12 l </path> <text matrix="1 0 0 1 44 -12" transformations="translations" pos="80 14" stroke="black" type="label" width="5.694" height="4.289" depth="0" valign="baseline">$x$</text> <path stroke="black"> 84 114 m 84 8 l </path> <text matrix="1 0 0 1 -114 -34" transformations="translations" pos="162 90" stroke="black" type="label" width="13.54" height="6.812" depth="1.49" valign="baseline">$E_{\rm C}$</text> <text matrix="1 0 0 1 -114 -62" transformations="translations" pos="162 90" stroke="black" type="label" width="13.84" height="6.812" depth="1.49" valign="baseline">$E_{\rm V}$</text> <text matrix="1 0 0 1 28 -4" transformations="translations" pos="28 110" stroke="black" type="label" width="38.744" height="6.808" depth="0" halign="center" valign="baseline">Semicon.</text> <path matrix="1 0 0 1 -40 0" stroke="black" pen="heavier"> 124 58 m 116 54 100 54 s 68 54 l </path> <path stroke="black" pen="heavier"> 84 30 m 76 26 60 26 s 28 26 l </path> <path stroke="black" pen="heavier"> 84 98 m 128 102 l </path> <text matrix="1 0 0 1 10 50" transformations="translations" pos="96 56" stroke="black" type="label" width="35.423" height="6.808" depth="0" halign="center" valign="baseline">Vacuum</text> <text matrix="1 0 0 1 -52 2" transformations="translations" pos="162 90" stroke="black" type="label" width="19.123" height="6.812" depth="1.49" valign="baseline">$E_{\rm vac}$</text> <path stroke="black" dash="dotted"> 80 98 m 88 98 l </path> <path matrix="1 0 0 1 0 -40" stroke="black" dash="dotted"> 80 98 m 88 98 l </path> <path matrix="1 0 0 1 0 -54" stroke="black" dash="dotted"> 80 98 m 88 98 l </path> <path matrix="1 0 0 1 -2 0" stroke="black" arrow="normal/tiny"> 82 58 m 82 98 l </path> <path matrix="1 0 0 1 -2 0" stroke="black" arrow="normal/tiny"> 90 44 m 90 98 l </path> <text matrix="1 0 0 1 -2 -8" transformations="translations" pos="90 76" stroke="black" type="label" width="10.793" height="6.808" depth="0" valign="baseline">$W$</text> <text matrix="1 0 0 1 -10 0" transformations="translations" pos="90 76" stroke="black" type="label" width="19.088" height="6.812" depth="1.49" halign="right" valign="baseline">$E_{\rm EA}$</text> </page> </ipe>