檢視 $piezcharge 的原始碼

$piezcharge defines the polarization charge density difference between each layer. If there are 10 layers then we have 9 interfaces. So, we only need to set 9 regions. 

<big><big>'''Example'''</big></big> 
 $piezcharge 
  0.00000e20  This means the polarization difference between layer 1 and 2 is 0.000. 
  1.00000e13  This means the polarization difference between layer 2 and 3 is 1.00000e13. It looks like positive interface charges. 
 -1.00000e13  This means the polarization difference between layer 3 and 4 is -1.00000e13. It looks like negative interface charges.
  1.00000e13  This means the polarization difference between layer 4 and 5 is 1.00000e13. It looks like positive interface charges.
 -1.00000e13  This means the polarization difference between layer 6 and 7 is 1.00000e13. It looks like positive interface charges.
  1.00000e13  This means the polarization difference between layer 7 and 8 is -1.00000e13. It looks like negative interface charges.
 -1.00000e13  This means the polarization difference between layer 8 and 9 is 1.00000e13. it looks like positive interface charges.
  1.00000e13  This means the polarization difference between layer 9 and 10 is -1.00000e13. it looks like negative interface charges .
 -1.00000e13

<big>'''The $piezcharge setting for 1D-DDCC in GUI interface '''</big> <br>

1.Press the '''Consider Piezo polarization'''.<br>
2.Setting '''polarization charge density'''.<br>

[[檔案:1d_$piezcharge_fig1.jpg|1300px]]