Dear vicky singh:<div><br><div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br>I am studying the effect of alloying on a supercell with 40 atoms. I am replacing one Ni with different alloying elements. To get the charge density should i relax the system and the perform the scf or simple scf will give the effect of alloying.<br>
</blockquote><div>I do not think there is simple answer. It depends on what you are interested and the computer power.</div><div>You could find how other people do it in published papers. </div><div><br></div><div><br></div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br><font class="Apple-style-span" color="#888888">vicky singh</font><br><font class="Apple-style-span" color="#888888">research student </font><br>
<font class="Apple-style-span" color="#888888">Bangalore</font><br>
<br>_______________________________________________<br>
Pw_forum mailing list<br>
<a href="mailto:Pw_forum@pwscf.org">Pw_forum@pwscf.org</a><br>
<a href="http://www.democritos.it/mailman/listinfo/pw_forum" target="_blank">http://www.democritos.it/mailman/listinfo/pw_forum</a><br>
<br></blockquote></div><br><br clear="all"><br>-- <br>____________________________________<br>Hui Wang<br>School of physics, Fudan University, Shanghai, China<br>
</div></div>