<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1542220454009_20328"><span id="yui_3_16_0_ym19_1_1542220454009_20407">I wish to study electronic and thermoelectric properties of Cu2Se.<br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1542220454009_20350"><span id="yui_3_16_0_ym19_1_1542220454009_20351">which pseudopotential is suitable to begin with?</span></div><div id="yui_3_16_0_ym19_1_1542220454009_20334"> </div><div id="yui_3_16_0_ym19_1_1542220454009_20367" class="signature"><div id="yui_3_16_0_ym19_1_1542220454009_20366">--------------------------------------------------------------------- <br><br><strong id="yui_3_16_0_ym19_1_1542220454009_20369"><font id="yui_3_16_0_ym19_1_1542220454009_20368" color="#0000ff" size="4">Dr. Sohail Ahmad</font></strong></div><font id="yui_3_16_0_ym19_1_1542220454009_20397" color="#0000ff">King Khalid University</font><div id="yui_3_16_0_ym19_1_1542220454009_20390"><font id="yui_3_16_0_ym19_1_1542220454009_20396" color="#0000ff">Abha, Saudi Arabia</font></div><div id="yui_3_16_0_ym19_1_1542220454009_20393">--------------------------------------------------------------------<br></div></div></div></body></html>