Mn、Fe和Mn/ Fe共掺In2O3纳米晶的室温结构和铁磁行为

IF 3 Q3 Physics and Astronomy

Results in Optics Pub Date : 2025-03-14 DOI:10.1016/j.rio.2025.100812

Sanjay Kumar , Virendra Kumar , Manoj Kumar Bansal , Arvind Mishra , Vimlesh Mishra

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引用次数: 0

摘要

锰,采用固相反应法制备了掺铁氧化铟稀磁半导体（DMS）粉末。Mn &；Fe掺杂对（In）0.985（Mn）磁性、光学和结构性能的影响（In）0.985（Fe）。015O已被系统地研究过。x射线衍射图证实了多晶立方结构。mn掺杂样品的光学带隙从3.8 eV增加到4.2 eV， fe掺杂样品的带隙从3.8 eV增加到4.4 eV。FTIR光谱显示了In-O和In-O- h吸收带的占用。EDAX证实了制备样品中Fe、O、In和Mn元素的存在。M−H图显示了mn掺杂In2O3的超顺磁性。

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

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

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).₀₁₅O and (In)_0.985(Fe_).015O 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 In₂O₃.

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