<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><DIV>Hi</DIV>
<DIV>I am trying to investigate the Debye Temp. of two polymorphs of a non-metal case, by calculating the heat capacity, c_v (using the phonon DOS) at very low temperatures. But the polymorph with higher Bulk Modulus, gets the lower Debye Temp. I think, as the acoustic frequencies have more important role in both stiffness and "c_v in low temps", the higher the Bulk Modulus, may get the higher Debye temp. Am i right? Is there anything wrong in my calculation?</DIV>
<DIV>Thanks for any comment</DIV>
<DIV> </DIV>
<DIV>R. Ebraahimi</DIV>
<DIV>Grad. Student</DIV>
<DIV>Tehran University</DIV><!-- cg4.c902.mail.ac4.yahoo.com compressed/chunked Wed Oct 28 12:31:33 PDT 2009 --></div><br>
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