Abstract
In this study, NiGa2O4 phase is prepared using a sonication-assisted hydrothermal method. Rietveld-fitted x-ray diffraction results reveal the formation of a single-phase compound with average crystallite size of ~32.5 nm. UV-visible absorption spectroscopy results show bandgap energy of 4.1 eV. X-ray absorption near-edge structural analysis confirms the presence of Ga3+ and Ni2+ ions in Ga2NiO4. The magnetic properties of NiGa2O4 phase are studied at two temperatures (i.e., 50 K and 300 K), and the NiGa2O4 phase is found to be paramagnetic. The origin of magnetism in the NiGa2O4 phase is mechanistically discussed by considering the plausible magnetic interactions among the constituent ions in the compound.
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Acknowledgments
Aditya Sharma is thankful to the Honourable Vice-Chancellor and Dean(s) of Manav Rachna University, Faridabad, for constant support and encouragement. Hyun-Joon Shin would like to acknowledge the support by Regional Innovation Strategy (RIS) through the National Research Foundation of Korea (NRF) funded by the ministry of education (2021RIS-001) and the support by the commercialization promotion agency for R&D outcomes grant funded by the Korean government, 2022, research equipment technician training program (2018R1A6A9056986).
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Sharma, A., Varshney, M., Kumar, Y. et al. Structural, Electronic, and Magnetic Properties of NiGa2O4. J. Electron. Mater. 51, 4139–4144 (2022). https://doi.org/10.1007/s11664-022-09710-8
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DOI: https://doi.org/10.1007/s11664-022-09710-8