Structural, Dielectric, and Magnetic Characterization of Ba_0.6Sr_0.4Fe_11.50Al_0.50O₁₉/MoS₂ Composite

Abstract:

In this paper, a Ba_0.6Sr_0.4Fe_11.50Al_0.50O₁₉/MoS₂ composite with a weight ratio of 1:9 has been successfully created. The Ba_0.6Sr_0.4Fe_11.50Al_0.50O₁₉/MoS₂ was synthesized in HEM for 35 hours before sintered at 1000°C for 5 hours. The Ba_0.6Sr_0.4Fe_11.50Al_0.50O₁₉/MoS₂ composite was characterized using XRD for phase formation, crystal structure, and lattice parameters. Based on the XRD results, the Ba_0.6Sr_0.4Fe_11.50Al_0.50O₁₉/MoS₂ composite has two phases with different crystal structures. SEM characterization for surface morphology and particle size. SEM results show heterogeneous particles, but the particle size is not uniform at 0.2-0.6 µm. Measurements of the dielectric constant and dielectric loss are shown as a function of frequency. VSM is used to characterize samples magnetically. The VSM results show ferromagnetic behaviour in the Ba_0.6Sr_0.4Fe_11.50Al_0.50O₁₉/MoS₂ composite with the value of Mr, Ms, and Hc are about 20 emu/g, 40.769 emu/g, and 4.08 kOe, respectively.

• Periodical: Materials Science Forum (Volume 1152)
• Pages: 39-44
• DOI: https://doi.org/10.4028/p-gzG4ew
• Online since: June 2025
• Authors: Maya Puspitasari Izaak*, Yohanes Edi Gunanto, Henni Sitompul, Jan Setiawan, Ade Mulyawan, Yunasfi Yunasfi, Wisnu Ari Adi
• Keywords: Composite, Dielectric, Hexaferrite, Magnetic, Structural

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