<?xml version="1.0"?> <!DOCTYPE ipe SYSTEM "ipe.dtd"> <ipe version="70005" creator="ipetoipe 7.1.2"> <info created="D:20130511174826" modified="D:20130526102608"/> <ipestyle name="cust"> <pen name="heavier" value="1"/> <color name="gray" value="0.5"/> <color name="darkgray" value="0.25"/> <color name="lightgray" value="0.75"/> <dashstyle name="dashed" value="[4] 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="280 136" origin="0 0" frame="280 136"/> <gradient name="fermi" type="axial" coords="0 64 0 96" 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" stroke="black" dash="dashed" pen="heavier"> 16 80 m 280 80 l </path> <text matrix="1 0 0 1 -154.248 -666.815" transformations="translations" pos="198.026 670.189" stroke="black" type="label" halign="center" valign="baseline">Metal</text> <text matrix="1 0 0 1 -106.248 -666.815" transformations="translations" pos="198.026 670.189" stroke="black" type="label" halign="center" valign="baseline">Semimetal</text> <text matrix="1 0 0 1 -26.248 -666.815" transformations="translations" pos="198.026 670.189" stroke="black" type="label" halign="center" valign="baseline">Semiconductor</text> <text matrix="1 0 0 1 57.752 -666.815" transformations="translations" pos="198.026 670.189" stroke="black" type="label" halign="center" valign="baseline">Insulator</text> <text matrix="1 0 0 1 -150 -658.464" transformations="translations" pos="152 736" stroke="black" type="label" valign="baseline">$E_{\rm F}$</text> <text matrix="1 0 0 1 -62.248 -646.815" transformations="translations" pos="198.026 670.189" stroke="black" type="label" halign="center" valign="top">$p$-type</text> <path layer="BBOX" stroke="black"> 0 0 m 0 136 l 280 136 l 280 0 l h </path> <path layer="alpha" matrix="1 0 0 1 0 -4" stroke="black" pen="heavier" rarrow="normal/normal"> 20 128 m 20 28 l </path> <text matrix="1 0 0 1 -136 -610.464" transformations="translations" pos="152 736" stroke="black" type="label" valign="baseline">$E$</text> <text matrix="1 0 0 1 9.752 -646.815" transformations="translations" pos="198.026 670.189" stroke="black" type="label" halign="center" valign="top">$n$-type</text> <text matrix="1 0 0 1 -26.248 -646.815" transformations="translations" pos="198.026 670.189" stroke="black" type="label" halign="center" valign="top">intrin.</text> <group clip="28 136 m 28 24 l 272 24 l 272 136 l h "> <path stroke="black" fill="1" pen="heavier" gradient="fermi"> 32 56 m -24 0 0 -24 32 80 56 80 a -24 0 0 -24 32 80 32 104 a h </path> <path matrix="1 0 0 1 16 0" stroke="black" fill="1" pen="heavier" gradient="fermi"> 84 100 m -20 0 0 -20 64 100 64 120 a 64 80 l 64 40 l -20 0 0 -20 64 60 84 60 a 84 68 68 76 68 84 84 92 84 100 s h </path> <path matrix="1 0 0 1 48 76" stroke="black" fill="white" pen="heavier"> 32 56 m -24 0 0 -24 32 80 56 80 a -24 0 0 -24 32 80 32 104 a h </path> <path matrix="1 0 0 1 48 -76" stroke="black" fill="darkgray" pen="heavier"> 32 56 m -24 0 0 -24 32 80 56 80 a -24 0 0 -24 32 80 32 104 a h </path> <path stroke="black" fill="white" pen="heavier"> 32 120 m -24 0 0 -24 32 144 56 144 a -24 0 0 -24 32 144 32 168 a h </path> <path stroke="black" fill="darkgray" pen="heavier"> 32 -8 m -24 0 0 -24 32 16 56 16 a -24 0 0 -24 32 16 32 40 a h </path> <path stroke="black" fill="1" pen="heavier" gradient="fermi"> 124 30 m -24 0 0 -24 124 54 148 54 a -24 0 0 -24 124 54 124 78 a h </path> <path stroke="black" fill="1" pen="heavier" gradient="fermi"> 124 94 m -24 0 0 -24 124 118 148 118 a -24 0 0 -24 124 118 124 142 a h </path> <path stroke="black" fill="1" pen="heavier" gradient="fermi"> 160 24 m -24 0 0 -24 160 48 184 48 a -24 0 0 -24 160 48 160 72 a h </path> <path stroke="black" fill="1" pen="heavier" gradient="fermi"> 160 88 m -24 0 0 -24 160 112 184 112 a -24 0 0 -24 160 112 160 136 a h </path> <path stroke="black" fill="1" pen="heavier" gradient="fermi"> 196 18 m -24 0 0 -24 196 42 220 42 a -24 0 0 -24 196 42 196 66 a h </path> <path stroke="black" fill="1" pen="heavier" gradient="fermi"> 196 82 m -24 0 0 -24 196 106 220 106 a -24 0 0 -24 196 106 196 130 a h </path> <path stroke="black" fill="white" pen="heavier"> 244 96 m -24 0 0 -24 244 120 268 120 a -24 0 0 -24 244 120 244 144 a h </path> <path stroke="black" fill="darkgray" pen="heavier"> 244 16 m -24 0 0 -24 244 40 268 40 a -24 0 0 -24 244 40 244 64 a h </path> </group> </page> </ipe>