Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Mossbauer Spectroscopy Investigation of Thulium Oxide-Hematite Magnetic Ceramic Nanostructures

Version 1 : Received: 31 October 2023 / Approved: 31 October 2023 / Online: 1 November 2023 (07:56:48 CET)

How to cite: Stipetich, E.; Glasser, S.; Sorescu, M. Mossbauer Spectroscopy Investigation of Thulium Oxide-Hematite Magnetic Ceramic Nanostructures. Preprints 2023, 2023110028. https://doi.org/10.20944/preprints202311.0028.v1 Stipetich, E.; Glasser, S.; Sorescu, M. Mossbauer Spectroscopy Investigation of Thulium Oxide-Hematite Magnetic Ceramic Nanostructures. Preprints 2023, 2023110028. https://doi.org/10.20944/preprints202311.0028.v1

Abstract

Magnetic ceramic nanoparticles system xTm2O3-(1-x)alpha-Fe2O3 (x=0.1 and 0.5) was synthesized by mechanochemical activation starting from hematite and thulium oxide precursors and characterized by transmission Mӧssbauer spectroscopy. The Mӧssbauer spectra were typically analyzed considering 1-3 sextets, corresponding to hematite (with and without thulium doping) and a doublet, representing thulium iron perovskite (thulium orthoferrite). The magnetic hyperfine fields (BHF) and doublet abundance were studied as function of the ball milling time (BMT) for both molar concentrations employed. The results are consistent with the formation of solid solutions in the investigated system. The mixed-oxide nanoparticle system synthesized may have important applications in displays, sensors and photovoltaics, and is paving the way for emerging utilizations related to mechanically flexible electronics.

Keywords

magnetic materials; nanocomposites; Mossbauer spectroscopy

Subject

Physical Sciences, Condensed Matter Physics

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