Preparation of CoFe₂O₄/SiO₂ Nanocomposites at Low Temperatures Using Short Chain Diols

Table 4

Thermodynamic parameters at different temperatures for CoFe₂O₄ and Co₂SiO₄.

(°C)	(cal/mol·K)		Δ (kcal/mol)		(cal/mol·K)		Δ (kcal/mol)
	CoFe2O4	Co2SiO4	CoFe2O4	Co2SiO4	CoFe2O4	Co2SiO4	CoFe2O4	Co2SiO4
25	1312	1348	−339	−343	38.8	47.2	−351	−358
100	1736	1785	−187	−187	474	495	−376	−385
200	2151	2221	8.24	13.5	907	940	−445	−457
300	2584	2657	245	257	1339	1384	−558	−573
400	3008	3093	525	545	1769	1826	−713	−733
500	3432	3529	847	876	2198	2268	−911	−938
600	3856	3965	1211	1251	2627	2708	−1153	−1187
700	4280	4401	1618	1669	3055	3149	−1437	−1480
800	4704	4837	2067	2131	3483	3589	−1764	−1816
900	5128	5273	2559	2636	3910	4028	−2133	−2197