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Room temperature structural, and ferromagnetic behaviour of Mn, Fe and Mn/ Fe codoped In2O3 Nanocrystalline

Year: 2025
Type: article
Abstract: • The XRD pattern confirmed the polycrystalline nature having robust orientation along (222) plane comparable to In 2 O 3 cube structure with lattice parameter. • The SEM image show the homogeneous and uniform distribution of grain in the samples. • The FTIR confirm the presence of In-O-H and In-O absorption bands. • Raman spectra revealed that the intensity decreases as Raman shift increases for Mn &Fe doped In 2 O 3 . • The EDX spectra disclosed the occupancy of Fe, O, In and Mn elements with their atomic weight and weight percentage. • We also discovered that optical energy band gap decreases from 4.2 eV to 3. 8 eV for Mn doped while it is also decreased from 4.4 eV to 3. 8 eV for Fe doped samples. • The M−H plot revealed that the ferromagnetism is observed in Mn doped In 2 O 3 . • The Saturation magnetization was not observed under high magnetic field. Manganese & iron-doped indium oxide dilute magnetic semiconductor (DMS) powder was synthesized by solid-state reaction method. The effect of Mn & Fe doping on magnetic, optical, and structural properties of ( In) 0.985 (Mn). 015 O and (In ) 0.985 (Fe ).015 O have been systematically studied. The polycrystalline cubic structure has been confirmed by an X-ray diffraction pattern. It is also being reported that the optical band gap increases from 3.8 eV to 4.2 eV for Mn-doped while 3.8 eV to 4.4 eV for Fe-doped samples. FTIR spectra reveal the occupancy of In-O and In-O-H absorption bands. EDAX confirms the occupancy of Fe, O, In, and Mn elements in the prepared samples. M−H plot indicates superparamagnetic behavior in Mn-doped In 2 O 3 .
DOI: 10.1016/j.rio.2025.100812
Authors: Sanjay Kumar, Virendra Kumar, Manoj Kumar Bansal, Arvind Mishra, Vimlesh Mishra
Language: English
Open Access status: gold
Estimated APC paid: $1,470
OpenAlex ID: W4408422790
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Cites: 20
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Related to: 10