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Review article

Thermodynamic research of new nanodimensional lanthanum-cobalt(nickelite)-cuprate-manganites LaNa2CoCuMnO6, LaNa2NiCuMnO6

B. K. Kassenov ; Chemical-Metallurgical Institute, Karaganda, Kazakhstan
Sh. B. Kassenova ; Chemical-Metallurgical Institute, Karaganda, Kazakhstan
Zh. I. Sagintayeva ; Chemical-Metallurgical Institute, Karaganda, Kazakhstan
E. E. Kuanyshbekov ; Chemical-Metallurgical Institute, Karaganda, Kazakhstan


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Abstract

The thermal capacities of nanodimensional (nanocluster) cobalte (nickelite) - cuprate-manganites of lanthanum and sodium of LaNa2CoCuMnO6, LaNa2NiCuMnO6 were investigated with the calorimetry method on the IT-S-400 device in the temperature interval of 298,15 - 673 K. Based on the experimental data the equations of temperature dependence of thermal capacity of the studied compounds were set up. The temperature dependences of thermodynamic functions were estimated with using of measured values of thermal capacity and calculated value of standard entropy.

Keywords

thermodynamics; lanthanum; cobalt; nickelite; cuprate; manganite

Hrčak ID:

224790

URI

https://hrcak.srce.hr/224790

Publication date:

1.1.2020.

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