Thermodynamic properties of ferrites of composition GdMIIFe2O5.5 (MII = Mg, Ca, Sr) |
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| Authors: | S. M. Sergazina B. K. Kasenov E. S. Mustafin Sh. B. Kasenova Zh. I. Sagintaeva R. Sh. Erkasov |
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| Affiliation: | (1) Institute of Phytochemistry, Ministry of Education and Science of the Republic of Kazakhstan, Karaganda, Kazakhstan;(2) Gumilev Eurasian National University, Astana, Kazakhstan |
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| Abstract: | Ferrites with the composition GdMIIFe2O5.5 (MII = Mg, Ca, Sr) were synthesized from the corresponding oxides by the solid-phase method. The temperature dependence of the specific heat was studied by dynamic calorimetry in the temperature range 298.15 673 K. Equations describing this temperature dependence were derived. The temperature dependences of the thermodynamic functions were calculated. |
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