ions.</li><br>
<hr>
<a name=stopping_dq><li>                 <span style="display:inline-block;background:#EEEEEE;width:400px">               <b>stopping_dq</b>  </span>  
<br><br>
<i>Optional</i><br>
Default: 0.02<br><br>
q-vector increment in the reciprocal space summation for stopping power calculations.</li><br>
<hr>
<a name=tda><li>                 <span style="display:inline-block;background:#EEEEEE;width:400px">               <b>tda</b>  </span>  
<br><br>
<i>Optional</i><br>
Default: no<br><br>
Trig