Production and Shielding Effectiveness Features of Chopped Strands Backed-GdMnO3 Composites for 6.5-17.5 GHz Applications

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dc.authoridŞahin, Ethem İlhan/0000-0001-7859-9066
dc.authoridEmek, Mehriban/0000-0001-7322-9808
dc.authoridIBRAHIM, JAMAL-ELDIN F M/0000-0003-2479-5955
dc.contributor.authorEmek, Mehriban
dc.contributor.authorSahin, Ethem Ilhan
dc.contributor.authorIbrahim, Jamal Eldin F. M.
dc.date.accessioned2026-02-27T07:33:25Z
dc.date.available2026-02-27T07:33:25Z
dc.date.issued2025
dc.description.abstractThis research investigates the synthesis and characterization of GdMnO3/chopped strands composites using the conventional oxide mixing technique. A single-phase GdMnO3 compound was successfully formed through sintering at 1350 degrees C for 20 h. Structural analysis using X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS) confirmed phase purity and uniform grain morphology. The microwave shielding effectiveness of GdMnO3/chopped strands composites was evaluated within the 6.5-17.5 GHz frequency range using a network analyzer (NA). The GdMnO3/chopped strands composite with a 60-40% weight ratio exhibited superior shielding performance, achieving a minimum shielding effectiveness of -35.61 dB at 6.9 GHz, while the 80-20% composite reached -32.54 dB at 16.74 GHz. Both compositions demonstrated shielding effect values below -10 dB across wide frequency bands, with significant attenuation below -20 dB at various GHz ranges. The study demonstrates that by adjusting the content of the components in the samples, the microwave shielding effect performance of the GdMnO3/chopped strands composites can be easily controlled to meet the requirements of specific frequency bands. These findings highlight the potential of GdMnO3-based composites for tailored microwave shielding applications, particularly in the military, aerospace, and telecommunication industries.
dc.identifier.doi10.3390/ma18040863
dc.identifier.issn1996-1944
dc.identifier.issue4
dc.identifier.pmid40004386
dc.identifier.urihttp://dx.doi.org/10.3390/ma18040863
dc.identifier.urihttps://hdl.handle.net/20.500.14669/4553
dc.identifier.volume18
dc.identifier.wosWOS:001430909700001
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMDPI
dc.relation.ispartofMaterials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20250327
dc.subjectshielding effect
dc.subjectGdMnO3
dc.subjectmixed oxide
dc.subjectchopped strands
dc.subjectmatrix composites
dc.titleProduction and Shielding Effectiveness Features of Chopped Strands Backed-GdMnO3 Composites for 6.5-17.5 GHz Applications
dc.typeArticle

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