Specific heat of a PIN-PMN-PT single-crystal up to 500K
Author(s) -
S. Grabovsky,
I. V. Shnaídshteín,
J. Przesławski,
Zhenrong Li,
Zhuo Xu,
B. A. Strukov
Publication year - 2017
Publication title -
journal of advanced dielectrics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.38
H-Index - 13
eISSN - 2010-135X
pISSN - 2010-1368
DOI - 10.1142/s2010135x17500321
Subject(s) - heat capacity , calorimetry , materials science , specific heat , thermodynamics , single crystal , crystal (programming language) , crystallography , physics , chemistry , computer science , programming language
The temperature dependence of the specific heat of the single crystal Pb(In[Formula: see text]Nb[Formula: see text])O 3 -Pb(Mg[Formula: see text]Nb[Formula: see text])O 3 -PbTiO 3 (PIN-PMN-PT) was obtained at 80–500[Formula: see text]K by means of ac-calorimetry, and comparison with the calorimetric data for PMN was made, allowing one to determine absolute values of the specific heat of PIN-PMN-PT. For the high-temperature region ([Formula: see text][Formula: see text]K), the background heat capacity was calculated, the anomalies of the heat capacity for both compounds were determined, and the hump of the temperature dependence of specific heat PIN-PMN-PT was detected for the first time.
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