Abstract
The temperature dependences of the specific heat capacities of nanosized samples of lanthanum magnesium cobaltite cuprate manganite LaMgCoCuMnO6 and lanthanum magnesium nickelite cuprate manganite LaMgNiCuMnO6 are studied via calorimetry in the temperature range of 298.15–673 K. Curve \(C_{p}^{ \circ }\)(T) shows that LaMgCoCuMnO6 and LaMgNiCuMnO6 undergo second-order phase transitions at 398 and 523 K, respectively. The standard specific heat capacities of the above compounds are calculated with independent means based on characteristic Debye temperatures determined via the Koref and Nernst–Lindemann equations. Their values agree satisfactorily with experimental data. The temperature dependences of functions S°(T), H°(T) – H°(298.15), and Фхх(T) are calculated.
![](http://media.springernature.com/m312/springer-static/image/art%3A10.1134%2FS0036024420010136/MediaObjects/11504_2020_3714_Fig1_HTML.gif)
![](http://media.springernature.com/m312/springer-static/image/art%3A10.1134%2FS0036024420010136/MediaObjects/11504_2020_3714_Fig2_HTML.gif)
Similar content being viewed by others
REFERENCES
Yu. D. Tret’yakov and O. A. Brylev, Zh. Ross. Khim. Ob-va im. D. I. Mendeleeva 45 (4), 10 (2000).
E. L. Nagaev, Phys. Usp. 39, 781 (1996).
N. B. Ivanova, S. G. Ovchinnikov, M. M. Korshunov, I. M. Eremin, and N. V. Kazak, Phys. Usp. 52, 789 (2009).
Yu. Erin, Khim. Khimiki, No. 1, 16 (2009). http://chemistryandchemists.narod.ru
S. F. Pal’guev, V. K. Gil’derman, and V. I. Zemtsov, High Temperature Oxide Electronic Conductors for Electrochemical Devices (Nauka, Moscow, 1990) [in Russian].
V. V. Vashuk, Doctoral Dissertation in Chemistry (Inst. Gen. Inorg. Chem. NAS Belarusi, Minsk, 2000).
L. M. Kovba and V. K. Trunov, X-ray Analysis (Mosk. Gos. Univ., Moscow, 1976) [in Russian].
B. K. Kasenov, Sh. B. Kasenova, Zh. I. Sagintaeva, et al., Khim. Zh. Kazakhst., No. 2 (62), 106 (2018).
E. S. Platunov, S. E. Buravoi, V. V. Kurepin, et al., Thermophysical Measurements and Devices (Mashinostroenie, Leningrad, 1986) [in Russian].
Technical Description and Operating Instructions for IT-S-400 (Aktyub. Zavod Etalon, Aktyubinsk, 1986).
B. K. Kasenov, M. O. Turtubaeva, Sh. K. Amerkhanova, et al., Russ. J. Phys. Chem. A 89, 941 (2015). https://doi.org/10.1134/S0036024415050180
B. K. Kasenov, M. O. Turtubaeva, Sh. K. Amerkhanova, et al., High Temp. 54, 514 (2016). https://doi.org/10.1134/S0018151X16040106
B. K. Kasenov, M. O. Turtubaeva, Sh. K. Amerkhanova, et al., Russ. J. Phys. Chem. A 91, 283 (2017). https://doi.org/10.1134/S0036024417020157
R. A. Robie, B. S. Hewingway, and J. K. Fisher, Thermodynamic Properties of Minerals and Related Substances at 298.15 K and 1 bar (105 Pa)Pressure and at Higher Temperatures (Washington, DC, 1978).
Thermal Constants of Substances, The Handbook, Ed. by V. P. Glushko (Nauka, Moscow, 1981), No. 10, Part 1 [in Russian].
V. N. Kumok, in Direct and Inverse Problems of Chemical Thermodynamics (Nauka, Sib. Otd., Novosibirsk, 1987), p. 108 [in Russian].
A. S. Morachevskii and I. V. Sladkov, Thermodynamic Calculations in Metallurgy (Metallurgiya, Moscow, 1985) [in Russian].
Funding
This work was supported under a contract between the Committee for Science, Ministry of Education and Science, Republic of Kazakhstan, and the Abishev Chemical Metallurgical Institute, grant nos. IRN: AR05131317, AR05131333).
Author information
Authors and Affiliations
Corresponding author
Additional information
Translated by V. Glyanchenko
Rights and permissions
About this article
Cite this article
Kasenov, B.K., Kasenova, S.B., Sagintaeva, Z.I. et al. Thermodynamic Properties of Nanosized Cobaltite (Nickelite) Cuprate Manganites LaMgCoCuMnO6 and LaMgNiCuMnO6. Russ. J. Phys. Chem. 94, 18–22 (2020). https://doi.org/10.1134/S0036024420010136
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S0036024420010136