<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Dear all<br><br>How can i separate PDOS (phonon DOS) to acoustical phonon dos and optical phonon dos?<br><br>Thanks in advance<br><br>Sincerely yours<br>saeedian<br><br></td></tr></table><br>