"$negfsurfaceroughness" 修訂間的差異

出自 DDCC TCAD TOOL Manual
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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>
Example:
 
  +
 
$negfsurfaceroughness
 
$negfsurfaceroughness
 
<math>\lambda</math> <math>U_{0}</math><br>
 
<math>\lambda</math> <math>U_{0}</math><br>
   
 
Example:
 
$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:

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}
$negfsurfaceroughness
\lambda U_{0}

Example:

$negfsurfaceroughness
2.0e-9 7.328e-19
#colength  U0

related commands:

 $ifsolvenegf,  $negfifscattering,  $negfoverlapcalculation