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Structure and magnetoelectric properties of flexible PDMS/ GaFeO 3 composites

Solid State Communications, ISSN: 0038-1098, Vol: 400, Page: 115904
2025
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Article Description

The structure and magnetoelectric properties of flexible PDMS/GFO composites with different GFO weight percentages was studied. The XRD pattern of composites shows the presence of both GFO and PDMS phases. Raman and IR studies confirmed the presence of functional group absorption bands corresponding to PDMS and GFO in the composite system. GFO nanoparticle incorporation is confirmed from fractured micrographs of SEM images. The enhanced thermal stability of the composite material is confirmed through Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC) techniques. The field-dependant magnetization data shows a clear hysteresis loop at room temperature, indicating weak ferrimagnetic properties. A significant change in the demagnetization process occurred with the alteration in the filler composition. The frequency-dependent dielectric constant increases with an increase in filler content. Ferroelectric data confirms the room temperature ferroelectricity in the composite samples and polarization increases with filler loading. Room temperature magnetoelectric coupling is confirmed in the samples.

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