Pure and doped iron oxide and hydroxide nanoparticles are highly potential materials for biological, environment, energy and other technological applications. On demand of the applications, single phase as well as multiple phase of different polymorphs or composites of iron oxides with compatible materials for example, zeolite, SiO2, or Au are prepared. The properties of the as-synthesized nanoparticles are predominantly dictated by the local structure and the distribution of the cations. Mössbauer spectroscopy is a perfect and efficient characterization technique to investigate the local structure of the Mössbauer-active element such as Fe, Au, and Sn. In the present review, the local structure transformation on the optimization of the magnetite coexisted with iron hydroxides, spin dynamics of the bare, caped, core–shell and the composites of iron oxide nanoparticles (IONPs), dipole–dipole interactions and the diffusion of IONPs were discussed, based on the findings using Mössbauer spectroscopy. Graphical abstract: [Figure not available: see fulltext.]
CITATION STYLE
Wareppam, B., Kuzmann, E., Garg, V. K., & Singh, L. H. (2023, February 28). Mössbauer spectroscopic investigations on iron oxides and modified nanostructures: A review. Journal of Materials Research. Springer Nature. https://doi.org/10.1557/s43578-022-00665-4
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