Abstract
Structural and magnetic properties of Sn0∙95Co0∙05O2 nanocrystalline and diluted magnetic semiconductors have been investigated. This sample has been synthesized by co-precipitation route. Study of magnetization hysteresis loop measurements infer that the sample of Sn0∙95Co0∙05O2 nanoparticle shows a well-defined hysteresis loop at 300 K temperature, which reflects its ferromagnetic behaviour. We confirmed the roomtemperature intrinsic ferromagnetic (FM) semiconductors by ab initio calculation, using the theory of the functional of density (DFT) by employing the method of Korringa–Kohn–Rostoker (KKR) as well as coherent potential approximation (CPA, explain the disorder effect) to systems. The ferromagnetic state energy was calculated and compared with the local-moment-disordered (LMD) state energy for local density approximation (LDA) and LDA–SIC approximation. Mechanism of hybridization and interaction between magnetic ions in Sn0∙95Co0∙05O2 is also investigated. To explain the origin of ferromagnetic behaviour, we give information about total and atoms projected density of state functions.
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Mounkachi, O., Salmani, E., Boujnah, M. et al. High temperature magnetic properties of nanocrystalline Sn0∙95Co0∙05O2 . Bull Mater Sci 37, 563–569 (2014). https://doi.org/10.1007/s12034-014-0700-3
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DOI: https://doi.org/10.1007/s12034-014-0700-3