Electromagnetic characterization of Ni0.5Zn0.3Co0.2Fe2O4 bulk ceramics in the 1MHz-12GHz frequency range (2021)
- Authors:
- Autor USP: NUNES, CRISTINA BORMIO - EEL
- Unidade: EEL
- DOI: 10.2298/pac2102136b
- Assunto: MAGNETISMO
- Keywords: ferrites; solid state synthesis; magnetic properties; dielectric properties; soft magnets
- Language: Inglês
- Abstract: In this paper, NiZnCo ferrite was produced by solid state synthesis, calcination at 1000°C and sintering at 1250°C in air atmosphere. The microstructure and phases of the sintered sample were analysed by scanning electron microscopy and X-ray diffraction, respectively. The magnetic properties of the ferrite were evaluated by magnetization and magnetostriction measurements. The complex magnetic permeability and complex permittivity were also measured between 1 MHz-12 GHz and the reflection loss (RL) was calculated in the 100 MHz-12 GHz frequency range. The results show that the ferrite sample presents magnetostrictive behaviour and a saturation magnetization of 71 Am 2 /kg. Complex permittivity measurements indicate that the material has dielectric behaviour in the whole frequency range studied, with ε ′ varying between 7-40, and magnetic behaviour in frequencies between 1 MHz-5 GHz. The minimum RL was found at frequencies between 2.4-3.3 GHz and the calculated RL value for a thickness of 3 mm was lower than −10 dB in frequencies between 2.3-7.3 GHz. These results indicate potential application as microwave absorber in the S band.
- Imprenta:
- Publisher: University of Novi Sad
- Publisher place: Servia
- Date published: 2021
- Source:
- Título: Processing and Application of Ceramics
- ISSN: 1820-6131
- Volume/Número/Paginação/Ano: v.15, n.2, p.136-145, 2021
- Este periódico é de acesso aberto
- Este artigo NÃO é de acesso aberto
-
ABNT
BRITO, Vera Lucia Alves de et al. Electromagnetic characterization of Ni0.5Zn0.3Co0.2Fe2O4 bulk ceramics in the 1MHz-12GHz frequency range. Processing and Application of Ceramics, v. 15, n. 2, p. 136-145, 2021Tradução . . Disponível em: https://doi.org/10.2298/pac2102136b. Acesso em: 28 fev. 2026. -
APA
Brito, V. L. A. de, Santos, M. J. de M., Machado, J. P. B., Bormio-Nunes, C., & Carvalho, F. E. de. (2021). Electromagnetic characterization of Ni0.5Zn0.3Co0.2Fe2O4 bulk ceramics in the 1MHz-12GHz frequency range. Processing and Application of Ceramics, 15( 2), 136-145. doi:10.2298/pac2102136b -
NLM
Brito VLA de, Santos MJ de M, Machado JPB, Bormio-Nunes C, Carvalho FE de. Electromagnetic characterization of Ni0.5Zn0.3Co0.2Fe2O4 bulk ceramics in the 1MHz-12GHz frequency range [Internet]. Processing and Application of Ceramics. 2021 ;15( 2): 136-145.[citado 2026 fev. 28 ] Available from: https://doi.org/10.2298/pac2102136b -
Vancouver
Brito VLA de, Santos MJ de M, Machado JPB, Bormio-Nunes C, Carvalho FE de. Electromagnetic characterization of Ni0.5Zn0.3Co0.2Fe2O4 bulk ceramics in the 1MHz-12GHz frequency range [Internet]. Processing and Application of Ceramics. 2021 ;15( 2): 136-145.[citado 2026 fev. 28 ] Available from: https://doi.org/10.2298/pac2102136b - Assessment of Co-Ga alloys magnetostriction
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Informações sobre o DOI: 10.2298/pac2102136b (Fonte: oaDOI API)
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