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muzilizhao

铁杆木虫 (正式写手)

[求助] silvaco 仿真

求助有关silvaco仿真的问题,为什么算得的正向隧穿电流特别小?代码如下:

go atlas

mesh space.mult=1.0 width=1.0

x.mesh loc=0.0 spac=0.01
x.mesh loc=0.019 spac=0.0001
x.mesh loc=0.021 spac=0.0001
x.mesh loc=0.07 spac=0.0005
x.mesh loc=0.09 spac=0.01

y.mesh loc=0.0   spac=0.001
y.mesh loc=0.002   spac=0.0001
y.mesh loc=0.006  spac=0.005
y.mesh loc=0.012   spac=0.005
y.mesh loc=0.014   spac=0.001
# nonlocal mesh
qtx.mesh location=0.019 spacing=0.0001
qtx.mesh location=0.021 spacing=0.0001
qty.mesh location=0.002 spacing=0.001
qty.mesh location=0.012 spacing=0.001
#
# SECTION 2: Structure Specification
#
region     num=1  material=silicon  x.min=0.0 x.max=0.09 y.min=0.002 y.max=0.012
region     num=2  material=SiO2 x.min=0.0 x.max=0.09 y.min=0.0 y.max=0.002
region     num=3  material=SiO2 x.min=0.0 x.max=0.09 y.min=0.012 y.max=0.014
#
electrode       num=1  name=source x.min=0.0 x.max=0.0 y.min=0.002 y.max=0.006
electrode       num=2  name=gate   x.min=0.02 x.max=0.07 y.min=0.0 y.max=0.0
electrode       num=3  name=gate   x.min=0.02 x.max=0.07 y.min=0.014 y.max=0.014
electrode       num=4  name=drain  x.min=0.09 x.max=0.09 y.min=0.002 y.max=0.006
#
doping     uniform  x.min=0.0 x.max=0.02 y.min=0.002 y.max=0.012 p.type conc=1.5e20
doping     uniform  x.min=0.07 x.max=0.09 y.min=0.002 y.max=0.012 n.type conc=5e18
#
contact name=gate workf=4.17
contact name=source neutral
contact name=drain neutral

models  fermi  bgn  bbt.nonlocal  cvt temperature=300 consrh qtunn.dir=1 bbt.nlderivs  bbt.reverse

method  newton autonr maxtrap=8

solve init
output con.band val.band e.mobility h.mobility j.total
solve vsource=0
solve vdrain=1.0
# vstep=-0.1 vfinal=-1.0 name=drain
log outf=idvg_TFET_nonlocal.log
solve vgate=0.0 vstep=0.15 vfinal=2.0 name=gate

save outf=TFET_nonlocal.str
# tonyplot  TFET_nonlocal.str

tonyplot idvg_TFET_nonlocal.log

quit

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xu0342

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【答案】应助回帖

如果是三维的TFET器件,如何定义QTREGION语句
2楼2015-01-01 12:10:41
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muzilizhao

铁杆木虫 (正式写手)

引用回帖:
2楼: Originally posted by xu0342 at 2015-01-01 12:10:41
如果是三维的TFET器件,如何定义QTREGION语句

我不是很熟,看看手册先
3楼2015-01-04 09:27:20
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