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Hi everyone,<br>When we want to use a <span id="ecxspans0e0" class="ecxsac">supercell</span> to treat the case of alloys, we <span id="ecxspans0e1" class="ecxsac">are actually folding</span> of the Brillouin zone to the point gamma, how to determine <span class="ecxhps"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box">the
energy gap from the band structure<br> (</span></span></span></span></span><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box">? - ? and </span></span></span></span></span></span></span></span></span><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box"><span id="ecxresult_box">? - X)</span></span></span></span></span><i><span style="font-size:12.0pt;line-height:150%;font-family:"Times New Roman","serif"" lang="EN-US"></span></i></span>.</span></span></span></span></span></span></span></span><span id="ecxresult_box" class="ecxshort_text" lang="en"><span class="ecxhps"><span id="ecxresult_box" lang="en"><span class="ecxhps"><br></span></span></span></span><span style="color:rgb(42, 42, 42);font-family:'Segoe UI', Tahoma, Verdana, Arial, sans-serif;line-height:17px;background-color:rgb(255, 255, 255)"><br>Thank you.</span><br style="line-height:17px;color:rgb(42, 42, 42);font-family:'Segoe UI', Tahoma, Verdana, Arial, sans-serif;background-color:rgb(255, 255, 255)">
<div><span style="color:rgb(42, 42, 42);font-family:'Segoe UI', Tahoma, Verdana, Arial, sans-serif;line-height:17px;background-color:rgb(255, 255, 255)">Regards.</span>
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<font style="" face="Arial">Ramzi Alaya</font><font style="" face="Arial"><br></font><font style="" face="Arial">Faculté des Sciences de Gabès</font><font style="" face="Arial"><br></font><font style="" face="Arial">Cité Erriadh 6072 Gabès- Tunisie</font><font style="" face="Arial"><br></font><font style="" face="Arial">LAPHYMN</font></p> </div></body>
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