Microstructural and magnetic properties of thick (≥10μm) magnetron sputtered barium ferrite films

Dehlinger, A.-S.; Berre, M. Le; Canut, B.; Chatelon, Jean-Pierre; Albertini, David F.; Perrot, S.; Givord, D.; Rousseau, Jean Jacques

doi:10.1016/j.jmmm.2010.06.011

Cited by 11 publications

(7 citation statements)

References 21 publications

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“…Material barium heksaferittermasuk bahan keramik yang merupakan bahan magnetik. Material ini memiliki karakteristik: temperatur Curie, koersivitas, saturasi magnetik dan anisotropi magnetik yang relative tinggi serta stabilitas kimia yang sangat baik [1][2][3][4][5]. Material barium heksaferit merupakan magnet permanen yang dapatdiaplikasikan dalam berbagai bidang sebagai hard magnetik.…”

Section: Pendahuluanunclassified

Pengaruh Penambahan Doping Mn/Cu pada Barium Heksaferit sebagai Material Penyerap Gelombang

et al. 2019

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Pada penelitian ini, telah dilakukan analisa efek doping Mn2+/Cu2+ sebanyak 0.1%mol terhadap struktur barium heksaferit sebagai material absorbsi gelombang mikro. Sintesis material dilakukan dengan metode mechanical alloying menggunakan planetary ball mill. Powder yang telah di-milling dikalsinasi pada temperature 1000 °C selama 2 jam. Powder hasil kalsinasi di kompaksi dengan tekanan 1.5 kgf/cm2 membentuk pellet dan di sinter pada temperatur 1150 °C selama 2 jam. Dari hasil eksperimen, menunjukkan penambahan ion Mn2+/Cu2+0.1 %mol mengakibatkan nilai densitas bulk meningkat jika dibandingkan dengan barium heksaferit. Efek penambahan ion Mn2+/Cu2+ menurunkan nilai koersivitas (Hjc) dan menaikkan nilai remanensi (Mr) yaitu BaFe12O19 memiliki Hjc = 6.45 KOe dan Mr = 0.91 KG, BaFe11.9Mn0.1O19 memiliki Hjc = 3.27 KOe dan Mr = 1.62 KG sedangkan BaFe11.9Cu0.1O19 memiliki Hjc = 1.75 KOe dan Mr = 1.79 KG. Pengukuran refflection loss gelombang mikro menggunkan VNA menunjukkan bahwa penambahan ion Mn2+/Cu2+ pada barium heksaferit memiliki rentang frekuensi yang berbeda. Frekuensi BaFe11.9Mn0.1O19 sekitar 4 – 10 GHz dan BaFe11.9Cu0.1O19 sekitar 4 – 8 GHz. Hal ini menunjukkan bahwa besar penyerapan gelombang yang cukup signifikan dengan adanya penambahan doping Mn/Cu 0.1 %mol jika dibandingkan terhadap barium hexaferit.

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Section: Pendahuluanunclassified

Pengaruh Penambahan Doping Mn/Cu pada Barium Heksaferit sebagai Material Penyerap Gelombang

et al. 2019

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“…Barium ferrite with the chemical formula BaFe 12 O 19 (BaM) is widely applied in the fields of permanent magnets, magnetic recording media, and millimeter wave devices due to its high coercively, high saturation magnetization, and low loss in high frequency. [31][32][33][34][35][36][37] BaM has a magnetoplumbite structure, with space group P 3 6 /mmc. The magnetic structure of M-type barium ferrite consists of five layers, each of which has one of five distinct Fe crystallographic site in the structure, three octahedral (12k, 4f 2 , and 2a) sites, one tetrahedral (4f 1 ) site and one trigonal bipyramid (2b) site.…”

Section: M-type Barium Ferritementioning

confidence: 99%

Development and application of ferrite materials for low temperature co-fired ceramic technology

Zhang¹,

Li²,

Su³

et al. 2013

Chinese Phys. B

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Development and application of ferrite materials for low temperature co-fired ceramic (LTCC) technology are discussed, specifically addressing several typical ferrite materials such as M-type barium ferrite, NiCuZn ferrite, YIG ferrite, and lithium ferrite. In order to permit co-firing with a silver internal electrode in LTCC process, the sintering temperature of ferrite materials should be less than 950 ∘ C. These ferrite materials are research focuses and are applied in many ways in electronics.

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“…Barium ferrite with the chemical formula BaFe 12 O 19 (BaM) was widely applied in the fields of permanent magnets, magnetic recording media and millimeter wave devices due to its high coercively, high saturation magnetization, and low loss in high frequency [1][2][3][4][5][6]. BaM has a magnetoplumbite structures, with space group P63/mmc.…”

Section: Introductionmentioning

confidence: 99%

Microstructure and magnetic properties of Al-doped barium ferrite with sodium citrate as chelate agent

Chen

Liu

et al. 2013

Journal of Magnetism and Magnetic Materials

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Microstructural and magnetic properties of thick (≥10μm) magnetron sputtered barium ferrite films

Cited by 11 publications

References 21 publications

Pengaruh Penambahan Doping Mn/Cu pada Barium Heksaferit sebagai Material Penyerap Gelombang

Pengaruh Penambahan Doping Mn/Cu pada Barium Heksaferit sebagai Material Penyerap Gelombang

Development and application of ferrite materials for low temperature co-fired ceramic technology

Microstructure and magnetic properties of Al-doped barium ferrite with sodium citrate as chelate agent

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