Abbreviation for sample corresponding to the RHC mass ratios.
| RHC mass ratios (y wt%) | y = 0 | y = 20 | y = 40 | y = 50 | y = 70 |
| ZnCo1.3Fe0.7O4-y%RHC | ZnCo1.3Fe0.7O4 | ZnCo1.3Fe0.7O4-20%RHC | ZnCo1.3Fe0.7O4-40%RHC | ZnCo1.3Fe0.7O4-50%RHC | ZnCo1.3Fe0.7O4-70%RHC |
| RHC mass ratios (y wt%) | y = 0 | y = 20 | y = 40 | y = 50 | y = 70 |
| ZnCo1.3Fe0.7O4-y%RHC | ZnCo1.3Fe0.7O4 | ZnCo1.3Fe0.7O4-20%RHC | ZnCo1.3Fe0.7O4-40%RHC | ZnCo1.3Fe0.7O4-50%RHC | ZnCo1.3Fe0.7O4-70%RHC |