Authors:
M. Hampl Department of Solid State Engineering, Institute of Chemical Technology, Prague 6, Czech Republic, 166 28, Technická 5

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J. Leitner Department of Solid State Engineering, Institute of Chemical Technology, Prague 6, Czech Republic, 166 28, Technická 5

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K. Růžička Department of Physical Chemistry, Institute of Chemical Technology, Prague 6, Czech Republic, 166 28, Technická 5

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M. Straka Department of Physical Chemistry, Institute of Chemical Technology, Prague 6, Czech Republic, 166 28, Technická 5

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P. Svoboda Department of Electronic Structures, Faculty of Mathematics and Physics, Charles University, Prague 2, Czech Republic, 120 00, Ke Karlovu 5

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Abstract

The heat capacity and the heat content of bismuth niobate BiNb5O14 were measured by the relaxation time method, DSC and drop method, respectively. The temperature dependence of heat capacity in the form Cpm=455.84+0.06016T–7.7342·106/T2 (J K−1mol−1) was derived by the least squares method from the experimental data. Furthermore, the standard molar entropy at 298.15 K Sm=397.17 J K−1mol−1 was derived from the low temperature heat capacity measurement.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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