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silvaco-atlas problem

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hamidamini

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atlas silvaco

hi
when i simulate this program a problem occurs. and the simulator tells strcture error and if simulate the program without any solve statement the structure can be ploted.



the code is

Go atlas
Mesh auto
x.mesh loc=0 spac=0.1
x.mesh loc=0.5 spac=o.1
m.mesh loc=0.75 spac= 0.05
m.mesh loc=7.25 spac=0.1
region bottom thickness=2 material=a-sic donor=1E15 ny=5
region top stay thickness=0.25 material=titanium ny=5 x.min=0 x.max=0.5
region top thickness=0.25 material=a-sic donor=1E17 ny=5 x.min=0.5 x.max=7.25
region top stay thickness=1.75 material=nickel ny=5 x.max=0.75
region top thickness=1.35 material=a-sic donor=1E17 ny=5 x.min=0.75
region top stay thickness=0.4 material=sio2 x.min=0.75 x.max=6.25
region top thickness=0.4 material=air ny=5 x.min=6.25 x.max=7.25
region top stay thickness=0.4 material=nickel ny=5 x.max=5.25
region top thickness=0.4 material=air ny=5 x.min=5.25 x.max=7.25
electrode name=anode x.min=0 x.max=5.25 y.min=-2.4 y.max=-2.4
electrode name=cathode x.min=6.75 y.min=-1.6 y.max=-1.6
contact name=anode workfu=1.5
doping uniform p.type conce=1E20 x.min=6.25 y.min=-1.6 y.max=-1.2 material=a-sic
model conmob fldmob srh auger bgn
method newton
method trap
solve init
solve anode=10
log OutFile=diode01.log
#solve Name=anode vanode=0 vfinal=20 vstep=1
save OutFile=struc.str
tonyplot diode01.log
tonyplot struc.str
quit
 

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