"$negfsurfaceroughness" 修訂間的差異
出自 DDCC TCAD TOOL Manual
小 |
|||
行 2: | 行 2: | ||
The equation of surface roughness scattering: |
The equation of surface roughness scattering: |
||
<math>W_{sr}(k)=\frac{2\pi}{\hbar}\{\frac{2U_{0}I_{if}f(\Delta)\sin[(k_{i}-k_{f})]\frac{\lambda}{2}}{k_{i}-k_{f}}\}^{2}\frac{N_{1D}(E_{k})}{\sigma}</math><br> |
<math>W_{sr}(k)=\frac{2\pi}{\hbar}\{\frac{2U_{0}I_{if}f(\Delta)\sin[(k_{i}-k_{f})]\frac{\lambda}{2}}{k_{i}-k_{f}}\}^{2}\frac{N_{1D}(E_{k})}{\sigma}</math><br> |
||
⚫ | |||
+ | |||
$negfsurfaceroughness |
$negfsurfaceroughness |
||
<math>\lambda</math> <math>U_{0}</math><br> |
<math>\lambda</math> <math>U_{0}</math><br> |
||
⚫ | |||
$negfsurfaceroughness |
$negfsurfaceroughness |
||
2.0e-9 7.328e-19 |
2.0e-9 7.328e-19 |
於 2018年7月30日 (一) 09:26 的修訂
$negfsurfaceroughness is the command to setup the related parameters of surface roughness scattering.
The equation of surface roughness scattering:
$negfsurfaceroughness
Example:
$negfsurfaceroughness 2.0e-9 7.328e-19 #colength U0
related commands:
$ifsolvenegf, $negfifscattering, $negfoverlapcalculation