1 #==============================================================================
2 # GSS example: EEPROM Simulation
3 #==============================================================================
5 MESH Type=GSS ModelFile=eeprom.cgns Triangle="pzADY"
6 XMESH WIDTH=0.4 H1=0.1 H2=0.1
7 XMESH WIDTH=0.4 H1=0.1 H2=0.025
8 XMESH WIDTH=0.25 H1=0.025 H2=0.05
9 XMESH WIDTH=0.25 H1=0.05 H2=0.025
10 XMESH WIDTH=0.5 H1=0.025 H2=0.1
12 YMESH DEPTH=0.050 N.SPACES=1 Y.TOP=0.125
13 YMESH DEPTH=0.040 N.SPACES=2
14 YMESH DEPTH=0.025 N.SPACES=2
15 YMESH DEPTH=0.010 N.SPACES=1
16 YMESH DEPTH=2.5 H1=0.01 RATIO=1.30
18 ELIMINATE Direction=COLUMNS X.MIN=0.6 X.MAX=1.5 Y.TOP=-1.0
20 REGION Label=Silicon Material=Si
21 REGION Label=Oxide Y.BOTTOM=0.0 Material=SiO2
22 REGION Label=Drain X.MIN=1.5 Y.TOP=0.125 Y.BOTTOM=0.0 Material=Elec
23 REGION Label=Gate X.MIN=0.5 X.MAX=1.4 IY.MAX=1 Material=Elec
24 REGION Label=Source X.MAX=0.3 Y.TOP=0.125 Y.BOTTOM=0.0 Material=Elec
25 REGION Label=Flt_Gate X.MIN=0.5 X.MAX=1.4 IY.MIN=3 IY.MAX=5 Material=PolySi
26 SEGMENT Label=Substrate Location=BOTTOM
29 PROFILE Ion=Acceptor N.PEAK=6E16 Type=Uniform Y.TOP=0 Y.BOTTOM=-3.75 X.MIN=0.0 X.MAX=1.8
30 PROFILE Ion=Donor N.PEAK=2E20 Type=Gauss Y.TOP=0 Y.BOTTOM=0.0 Y.JUNCTION=-0.632 X.MIN=0.0 X.MAX=0.74 X.CHAR=3.2951E-2
31 PROFILE Ion=Donor N.PEAK=2E20 Type=Gauss Y.TOP=0 Y.BOTTOM=0.0 Y.JUNCTION=-0.332 X.MIN=1.4 X.MAX=1.8 X.CHAR=3.2951E-2
36 set DopingScale = 2e20
38 CONTACT Type = GateContact ID = Gate WorkFunction=4.7
39 CONTACT Type = FloatMetal ID = Flt_Gate QF=-1e-15 #the floating gate is charged
40 boundary Type = OhmicContact ID = Substrate Res=0 Cap=0 Ind=0
41 boundary Type = InsulatorInterface ID = IF_Oxide_to_Silicon QF=0
43 PLOT Variable=DeviceMesh
44 REFINE Variable=Doping Measure=SignedLog Dispersion=3 Triangle="praDz"
45 PLOT Variable=DeviceMesh
47 METHOD Type = DDML1 Scheme = Newton NS=LineSearch LS=GMRES
48 # compute equilibrium state
49 SOLVE Type = TRANSIENT TStart = 0 TStep=2e-13 TStop = 6e-12
50 SOLVE Type=EQUILIBRIUM
51 #PLOT Variable=Na Resolution=RES.High AzAngle=120 ElAngle=60
52 #PLOT Variable=Nd Resolution=RES.High AzAngle=120 ElAngle=60
53 PLOT Variable=Potential Resolution=RES.High AzAngle=240 ElAngle=20
54 PLOT Variable=ElecDensity Resolution=RES.High AzAngle=240 ElAngle=20
56 EXPORT CoreFile = eeprom_init.cgns