檢視 $multitraps 的原始碼

Setting for traps (2D) with multi-levels.

<big><big>'''Format'''</big></big><br />

 $multitraps
 <math>N_{levels}</math>
 <math>N_{trap}</math> Et degeneracy te1 th1 <math>N_{trap_2}</math> Et degeneracy  <math>te_{2}</math>  <math>th_{2}</math>  ... (... Repeat  <math>N_{levels}</math>) ... <math>N_{trap_{N_{levels}}}</math> Et degeneracy  <math>te_{ N_levels}</math>  <math>th_{ N_{levels}}</math>
 <math>N_{trap}</math> Et degeneracy te1 th1 <math>N_{trap_2}</math> Et degeneracy  <math>te_{2}</math>  <math>th_{2}</math>  ... (... Repeat  <math>N_{levels}</math>) ... <math>N_{trap_{N_{levels}}}</math> Et degeneracy  <math>te_{ N_levels}</math>  <math>th_{ N_{levels}}</math>
 ...
 <math>N_{trap}</math> Et degeneracy te1 th1 <math>N_{trap_2}</math> Et degeneracy  <math>te_{2}</math>  <math>th_{2}</math>  ... (... Repeat  <math>N_{levels}</math>) ... <math>N_{trap_{N_{levels}}}</math> Et degeneracy  <math>te_{ N_levels}</math>  <math>th_{ N_{levels}}</math>


'''<big><big>Parameter Explanation</big></big>''' 

* <math>N_{levels}</math>
* <math>N_{trap}</math> : trap density. <math>cm^{-3}</math><br /> 
* Et : depth of trap related to Ec. <math>(eV)</math><br /> 
* degeneracy : degeneracy of traps, we usually set as 1. 
* te : nonradiative lifetime of electrons. <math>(Sec.)</math><br />
* th : nonradiative lifetime of holes. <math>(Sec.)</math><br />


<big><big>'''Example'''</big></big> 
 $multitraps
 2
 -1e+17  1.1  1  1.0e-7  1.0e-7 1e+18  2.1  1  1.0e-7  1.0e-7
 -1e+17  1.1  1  1.0e-7  1.0e-7 1e+18  2.1  1  1.0e-7  1.0e-7
 -1e+17  1.1  1  1.0e-7  1.0e-7 1e+18  2.1  1  1.0e-7  1.0e-7
 -1e+17  1.1  1  1.0e-7  1.0e-7 1e+18  2.1  1  1.0e-7  1.0e-7
 -1e+17  1.1  1  1.0e-7  1.0e-7 1e+18  2.1  1  1.0e-7  1.0e-7

This means 2 trap levels. One is electron trap where the trap level is below conduction band 1.1eV. The other trap levels is hole trap levels, which is below conduction band 2.1 eV