Al K-edge XAS and 57Fe Mössbauer spectroscopy to elucidate Aluminum allocation in magnetically hard BaFe12-xAlxO19 hexaferrites

作者

Vitaliy Bilovol¹ , Ricardo Martinez García¹ , Marcelo Pagnola¹ , Sergio Ferrarii¹ , Fabiana Morales²

1. CONICET - Universidad de Buenos Aires, Instituto de Tecnologías y Ciencias de la Ingeniería "Hilario Fernández Long" (INTECIN), Av. Paseo Colón 850 (C1063ACV), Buenos Aires, Argentina
2. Departamento Física de la Materia Condensada, Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica, Av. General Paz 1499 (B1650), Villa Maipú, Pcia. de Buenos Aires, Argentina

会议/活动

XSMM2023 - Workshop on X-ray Spectroscopy of Magnetic Materials: Emerging Opportunities at the 4th Generation SynchrotronsESRF, December 2023 (Grenoble, France)

海报摘要

The magnetic properties of BaFe12O19 hexaferrite (BaM) are suitable for permanent magnets. It is well known that doping trivalent elements such as Al in hexaferrites can increase the coercivity and improve their capability for the fabrication of permanent magnets.

关键词

HEXAFERRITES, MOSSBAUER, SPECTROSCOPY, ALUMINIUM, XAS, MAGNETS

研究领域

Material Sciences, Electrical Engineering, Energy Engineering, Nanoengineering

参考文献

1. G. Aminoff, Über ein neues oxydisches mineral aus långban. (magnetoplumbit.), Geol. fören. Stockh. förh, 47 (3) (1925) 283-289
2. V. Adelskold, Crystal structure of lead dodecairon (III) oxide, Arkiv for Kemi, Mineralogi och Geologi A 12 (1938) 1-9
3. H. Nikmanesh, S. Hoghoghifard, B. Hadi-Sichani, Study of the structural, magnetic, and microwave absorption properties of the simultaneous substitution of several cations in the barium hexaferrite structure, J. Alloys Compd. 775 (2019) 1101-1108.
4. B.T. Shirk, W.R. Buessem, Temperature dependence of Ms and K1 of BaFe12O19 and SrFe12O19 single crystals, J. Appl. Phys. 40 (3) (1969) 1294–1296
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6. A.G Bagul, J.J. Shrotri, S.D Kulkarni, C.E Deshpande, S.K Date, In: Proc. 6th Int. Conf. on Ferrites, Tokyo and Kyoto, The Japanese Society of Powder and Powder Metallurgy (1992), p. 109
7. H. Yamamoto, H. Kumehara, R. Takeuchi, H. Nishio, Magnetic Properties of Sr-M Ferrite Fine Particles, J. Phys. IV France 07 C1 (1997) C1-535-C1-536
8. R. B. Jotania, R. B. Khomane, A. S. Deshpande, C. C. Chauhan, B. D. Kulkarni, Physical and Magnetic Properties of Barium Calcium Hexaferrite Nanoparticles Synthesized by Water-in-oil Reverse Micelle and Co-precipitation Techniques, J. Sci. Res. 1 (2009) 1-13
9. X. Wang, D. Li, L. Lu, X. Wang, Synthesis of substituted M- and W-type barium ferrite nanostructured powders by stearic acid gel method, J. Alloys Compd 237 (1996) 45-48
10. E. Matijevic, Uniform colloidal barium ferrite particles, J. Colloid Interface Sci. 117 (1987) 593-595

基金

1. V.B. is thankful to Polish National Agency for Academic Exchange (NAWA) for the fellowship (No. BPN/ULM/2021/1/00076)
2. Use of research infra-structure of the National Synchrotron Radiation Centre SOLARIS (No. contract nr 1/SOL/2021/2)
3. UBACyT (No. 20020190100046BA)
4. CONICET

补充材料

暂无数据

附加信息

利益冲突

No competing interests were disclosed.

数据可用性声明

The datasets generated during and / or analyzed during the current study are available from the corresponding author on reasonable request.

知识共享许可协议

Copyright © 2023 Bilovol et al. This is an open access work distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.