<?xml version="1.0"?> <!DOCTYPE ipe SYSTEM "ipe.dtd"> <ipe version="70005" creator="Ipe 7.1.2"> <info created="D:20130511174826" modified="D:20130609164631"/> <ipestyle name="cust"> <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="132 112" origin="0 0" frame="132 112"/> <gradient name="fermi" type="axial" coords="0 48 0 80" extend="yes">  <stop offset="0" color="0.25"/>  <stop offset="1" color="1"/> </gradient> <gradient name="fermisem" type="axial" coords="0 54 0 86" 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="fermisem"> 124 16 m 68 16 l 68 40 l 76 28 92 28 s 124 28 l </path> <path fill="white" gradient="fermi"> 124 108 m 68 108 l 68 84 l 76 72 92 72 s 124 72 l </path> <path fill="white" gradient="fermi"> 68 108 m 68 16 l 28 16 l 28 108 l h </path> <path stroke="black" dash="dashed" pen="heavier"> 16 64 m 124 64 l </path> <text matrix="1 0 0 1 -150 -674.464" 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 0 112 l 132 112 l 132 0 l h </path> <path layer="alpha" matrix="1 0 0 1 2 -8" stroke="black" pen="heavier" rarrow="normal/normal"> 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" pen="heavier" arrow="normal/normal"> 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> <text matrix="1 0 0 1 20 -12" transformations="translations" pos="28 110" stroke="black" type="label" width="25.183" height="6.918" depth="0" halign="center" valign="baseline">Metal</text> <path stroke="black"> 68 110 m 68 8 l </path> <text matrix="1 0 0 1 -70 -16" 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 -70 -60" 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 68 -12" transformations="translations" pos="28 110" stroke="black" type="label" width="38.744" height="6.808" depth="0" halign="center" valign="baseline">Semicon.</text> <path stroke="black" pen="heavier"> 68 84 m 76 72 92 72 s 124 72 l </path> <path stroke="black" pen="heavier"> 68 40 m 76 28 92 28 s 124 28 l </path> <path stroke="black" dash="dotted"> 72 84 m 64 84 l </path> <path stroke="black" arrow="normal/tiny"> 66 64 m 66 84 l </path> <text matrix="1 0 0 1 2 0" transformations="translations" pos="64 72" stroke="black" type="label" width="11.701" height="5.446" depth="1.34" halign="right" valign="baseline" size="footnote">$\Phi_{\rm B}$</text> </page> </ipe>