<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_1507188219601_39125"><span id="yui_3_16_0_ym19_1_1507188219601_39250">Dear All</span></div><div id="yui_3_16_0_ym19_1_1507188219601_39125"><span id="yui_3_16_0_ym19_1_1507188219601_39206">I wish to study bilayers of transition metal di chalcogenides considering vdW interaction too </span></div><div id="yui_3_16_0_ym19_1_1507188219601_39125" dir="ltr"><span>in addition to PBE. What should i add in my input to perform this calculation.</span></div><div id="yui_3_16_0_ym19_1_1507188219601_39125" dir="ltr"><span>Best Wishes</span></div><div></div><div id="yui_3_16_0_ym19_1_1507188219601_39146"> </div><div class="signature" id="yui_3_16_0_ym19_1_1507188219601_39149"><div id="yui_3_16_0_ym19_1_1507188219601_39148">--------------------------------------------------------------------- <br><br><strong><font color="#0000ff" size="4">Dr. Sohail Ahmad</font></strong></div><div><font color="#0000ff">Assistant Professor</font></div><div><font color="#0000ff">Department of Physics</font></div><div><font color="#0000ff">Faculty of Science, P. O. Box - 9004</font></div><div><font color="#0000ff">King Khalid University</font></div><div><font color="#0000ff">Abha, Saudi Arabia</font></div><div><font color="#0000ff"></font> </div><div><font color="#0000ff">Contact: +966 (0) 556776986 (M)<br></font>--------------------------------------------------------------------<br></div></div></div></body></html>