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Henni Sitompul
Faculty of Education, Universitas Pelita Harapan, Jalan M.H. Thamrin, Karawaci, Tangerang, 15811, Indonesia
Astronomy Chemistry Earth & Planetary Sciences Mathematics Physics

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Structural and Magnetic Properties of Barium-Strontium-Hexaferrite Material Ba0.6Sr0.4Fe10-xCoxMnTiO19 (x = 0.5; 1.0; and 1.5) as Microwave Absorbers Yohanes Edi Gunanto; Maykel Manawan; Maya Puspitasari Izaak; Henni Sitompul; Yunasfi Yunasfi; Wisnu Ari Adi
Journal of Mathematical and Fundamental Sciences Vol. 55 No. 3 (2024)
Publisher : Directorate for Research and Community Services (LPPM) ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.math.fund.sci.2024.55.3.1

Abstract

We discuss the structure properties of Ba0.6Sr0.4Fe10-xCoxMnTiO19(BSFCMTO) for x = 0.5, 1.0, and 1.5 that influence its magnetic properties as a microwave absorber. A solid-state reaction method using high-energy milling was used to synthesize hexaferrite. There were no structural changes when the Co2+ ion was substituted for the Fe3+ ion; the structures of all samples were hexagonal and the space group was P63/mmc. The surface morphology had heterogeneous particles with a size of 300 to 600 nm. The magnetic properties tended to decrease with an increasing number of Co2+ ion substitutions. The reflection loss (RL) had a minimum value of -14.89 dB. This value was reached at a frequency of 10.96 GHz and had a bandwidth at 1.24 GHz with a sample thickness of 1 mm in the Ba0.6Sr0.4Fe9.9Co0.1MnTiO19 sample.
Co-Authors Maya Puspitasari Izaak Maykel Manawan Wisnu Ari Adi Yohanes Edi Gunanto Yunasfi Yunasfi