Direct evidence for a low-frequency phonon mode mechanism in the negative thermal expansion compound $\rm ZrW_2O_8$

Author: David W. I. F.   Evans J. S. O.   Sleight A. W.  

Publisher: Edp Sciences

E-ISSN: 1286-4854|46|5|661-666

ISSN: 0295-5075

Source: EPL (EUROPHYSICS LETTERS), Vol.46, Iss.5, 2010-03, pp. : 661-666

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Abstract