"$Withionmove" 修訂間的差異
出自 DDCC TCAD TOOL Manual
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<math>T_{1,stop}</math> <math>dt_{1}</math> <math>T_{2,stop}</math> <math>dt_{2}</math> ... <math>T_{N_{sweep},stop}</math> <math>dT_{M_{sweep}}</math> |
<math>T_{1,stop}</math> <math>dt_{1}</math> <math>T_{2,stop}</math> <math>dt_{2}</math> ... <math>T_{N_{sweep},stop}</math> <math>dT_{M_{sweep}}</math> |
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<math> N_{ions} ~~ q_{sign,1} ~~ q_{sign,2} ~~ q_{sign,3} ....~~ q_{sign,N_{ions}} </math> |
<math> N_{ions} ~~ q_{sign,1} ~~ q_{sign,2} ~~ q_{sign,3} ....~~ q_{sign,N_{ions}} </math> |
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| − | <math> |
+ | <math> P_{type,1} ~~ M_{ions,1} \mu </math> p3 p4 Parameters of the 1 layer |
| − | <math> |
+ | <math> P_{type,2} ~~ M_{ions,2} \mu </math> p3 p4 Parameters of the 2 layer |
| − | <math> |
+ | <math> P_{type,3} ~~ M_{ions,3} \mu </math> p3 p4 Parameters of the 3 layer |
.... |
.... |
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| ⚫ | |||
| + | ..... |
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| ⚫ | |||
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1 1.0e17 1.0e-11 2.0e17 1.0e-12 |
1 1.0e17 1.0e-11 2.0e17 1.0e-12 |
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| − | <math> |
+ | <math>P_{type,1}</math> is the parameter type: it depends on ion number <math> N_{ions}</math> |
1: <math> M_{ions,1} ~~~\mu </math>, <math> M_{ions,2} ~~~\mu </math>,........ <math> M_{ions,N_{ions}}, ~~~\mu_{N_{ions}}</math> |
1: <math> M_{ions,1} ~~~\mu </math>, <math> M_{ions,2} ~~~\mu </math>,........ <math> M_{ions,N_{ions}}, ~~~\mu_{N_{ions}}</math> |
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2: <math> M_{ions,1} ~~~\mu ~ D_{M}</math>, <math> M_{ions,2} ~~~\mu~~D_{M} </math>,........ <math> M_{ions,N_{ions}}, ~~~\mu_{N_{ions}}~~ D_{M}</math> |
2: <math> M_{ions,1} ~~~\mu ~ D_{M}</math>, <math> M_{ions,2} ~~~\mu~~D_{M} </math>,........ <math> M_{ions,N_{ions}}, ~~~\mu_{N_{ions}}~~ D_{M}</math> |
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| + | |||
| + | When type 1 is chosen, we only put mobility <math> \mu </math>, and the diffusion coefficient <math> D_{M} </math> is calculated with Einstein relation, where |
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| + | |||
| + | <math> D_{M} = \mu k_{B} T / q</math> |
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於 2019年8月18日 (日) 11:20 的修訂
When the system has ion to perform as drift-diffusion equations, we solve the time dependent drift-diffusion for slow ion move simulation. Since the ion moves may not be governed fermi-level concept. We simply treat is a tradiational drift-diffusion equations.
Ideally, the ion density is given by initial setting. The total ion number should be fixed. The program is aim to model multi-ions drift-diffusion. The command is as following.
$Withionmove
...
p3 p4 Parameters of the 1 layer
p3 p4 Parameters of the 2 layer
p3 p4 Parameters of the 3 layer .... .....
p3 p4 Parameters of the $totalregion layer
For example: Consider 2 ions, 1st is negative charges, 2nd is positive charges, total 5 Regions we can
$Withionmove 1 1000 1.00 1.0d-4 2 -1.0 1.0 1 0.0e17 0.0 0.0e17 0.0 1 1.0e17 1.0e-11 2.0e17 1.0e-12 1 1.0e17 1.0e-11 2.0e17 1.0e-12 1 1.0e17 1.0e-11 2.0e17 1.0e-12 1 1.0e17 1.0e-11 2.0e17 1.0e-12
is the parameter type: it depends on ion number
1:
,
,........
2:
,
,........
When type 1 is chosen, we only put mobility 
, and the diffusion coefficient 
is calculated with Einstein relation, where
