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2017 ; 10
(4
): ä Nephropedia Template TP
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Fundamentals of Thermal Expansion and Thermal Contraction
#MMPMID28772771
Liu ZK
; Shang SL
; Wang Y
Materials (Basel)
2017[Apr]; 10
(4
): ä PMID28772771
show ga
Thermal expansion is an important property of substances. Its theoretical
prediction has been challenging, particularly in cases the volume decreases with
temperature, i.e., thermal contraction or negative thermal expansion at high
temperatures. In this paper, a new theory recently developed by the authors has
been reviewed and further examined in the framework of fundamental thermodynamics
and statistical mechanics. Its applications to cerium with colossal thermal
expansion and Fe?Pt with thermal contraction in certain temperature ranges are
discussed. It is anticipated that this theory is not limited to volume only and
can be used to predict a wide range of properties at finite temperatures.