#########################################################
#This is the script for obtaining solution to Homework #5
#########################################################
#
mesh  space.mult=1.0
# 
x.mesh loc=0.00 spac=0.005
x.mesh loc=0.05 spac=0.0002
x.mesh loc=0.075 spac=0.003
x.mesh loc=0.10 spac=0.0002
x.mesh loc=0.15 spac=0.005
#
y.mesh loc=-0.004 spac=0.001
y.mesh loc=0 spac=0.0004
y.mesh loc=0.036 spac=0.002
y.mesh loc=0.10 spac=0.005

# REGIONS AND ELECTRODES
region num=1 y.min=0 silicon
region num=2 y.max=0 oxide
elect num=1 name=gate x.min=0.05 length=0.05 y.min=-0.004 y.max=-0.004
elect num=2 name=source left length=0.04999 y.min=0.0 y.max=0.0
elect num=3 name=drain right length=0.05 y.min=0.0 y.max=0.0
elect num=4 name=substrate substrate

# DEVICE DOPING
doping uniform p.type conc=1.e19 y.min=0.036001
doping uniform p.type x.min=0.05 x.max=0.10 y.min=0 y.max=0.036 conc=1.e19
doping uniform n.type x.min=0.00 x.max=0.04999 y.min=0 y.max=0.036 conc=1.e19
doping uniform n.type x.min=0.10001 x.max=0.15 y.min=0 y.max=0.036 conc=1.e19

save outfile=mos_device_structure_0.str

go atlas
# IMPORT THE MESH
mesh inf=mos_device_structure_0.str master.in

# MATERIAL CONTACT INTERFACE AND MODELS
contact num=1 n.polysilicon
models temp=300 print srh auger cvt  

# INITIAL SOLUTION
solve init  
method newton trap
save outf=mos_init.str master.in

###########################################################
# RAMP THE GATE VOLTAGE FOR GENERATING THE FAMILY OF CURVES
###########################################################
solve prev
solve vgate=0.0 vstep=0.1 name=gate vfinal=0.1
method newton trap

solve vgate=0.2
method newton trap
save  outf=mos_Vg_02.str master

solve vgate=0.4
method newton trap
save  outf=mos_Vg_04.str master

solve vgate=0.6
method newton trap
save  outf=mos_Vg_06.str master

solve vgate=0.8
method newton trap
save  outf=mos_Vg_08.str master

solve vgate=1.0
method newton trap
save  outf=mos_Vg_10.str master

solve vgate=1.2
method newton trap
save  outf=mos_Vg_12.str master

solve vgate=1.4
method newton trap
save  outf=mos_Vg_14.str master

######################################################
# CALCULATE ID-VD CHARACTERISTIC FOR FIXED VALUE OF VG
######################################################
log outf=mos_Vd_08.log 
solve vdrain=0.0 vstep=0.1 vfinal=1.4 name=drain
method newton trap carriers=1 electrons
log off

load inf=mos_Vg_10.str master
log outf=mos_Vd_10.log 
solve vdrain=0.0 vstep=0.1 vfinal=1.4 name=drain
method newton trap carriers=1 electrons 
log off

load inf=mos_Vg_12.str master
log outf=mos_Vd_12.log 
solve vdrain=0.0 vstep=0.1 vfinal=1.4 name=drain
method newton trap carriers=1 electrons
log off

load inf=mos_Vg_14.str master
log outf=mos_Vd_14.log 
solve vdrain=0.0 vstep=0.1 vfinal=1.4 name=drain
method newton trap carriers=1 electrons
log off

tonyplot -overlay mos_Vd_08.log mos_Vd_10.log \
		  mos_Vd_12.log mos_Vd_14.log

quit