<html><head></head><body bgcolor="#FFFFFF"><div>Eigenmode inspection ??? SB<br><br>--<div>Stefano Baroni, Trieste -- swift message written and sent on the go</div></div><div><br>On 20/ott/2012, at 20:03, karan deep <<a href="mailto:karandeepster@gmail.com">karandeepster@gmail.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)">thanks for replies</span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)"><br>
</span></div><div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)">> 510.2 cm-1</span></div><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)">>this is the optical mode. All other zone-center modes of the sc lattice</span><br style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,255)">
<span style="background-color:rgb(255,255,255)"><font color="#222222" face="arial, sans-serif">>do not </font><font color="#222222" face="arial, sans-serif">correspond</font><font color="#222222" face="arial, sans-serif"> to zone-center modes of the fcc lattice.</font></span><div>
<span style="color:rgb(34,34,34);font-family:arial,sans-serif"><br></span></div><div><font color="#222222" face="arial, sans-serif"> could u please provide any information regarding method </font></div><div><font color="#222222" face="arial, sans-serif"> on how to find out zone-center modes calculated from <b>any supercell</b> that actually belongs zone-center modes of primitive unit cell.</font></div>
<div><div><font color="#222222" face="arial, sans-serif"><br></font></div><div><font color="#222222" face="arial, sans-serif"><br></font><div><font color="#222222" face="arial, sans-serif"><br clear="all"></font>Karandeep<br>
Research Scholar<br>Physics Department,<br>IIT, Delhi<br>
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