<html><head></head><body><div class="ydpb251db72yahoo-style-wrap" style="font-family: verdana, helvetica, sans-serif; font-size: 16px;"><div>Dear Developers and Users,</div><div><br></div><div>I need your help to generate unit cell of a semiconductor structure of two layers of different materials. Any hint is highly appreciated.</div><div><br></div><div>Thanks a lot for your time.</div><div><br></div><div>With kind regards.</div><div class="ydpb251db72signature"><p style="font-family:verdana, helvetica, sans-serif;font-size:16px;"><b><font size="3" face="verdana, helvetica, sans-serif"><i>Lawal <br></i></font></b></p></div></div></body></html>