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

Authors

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

Conference / event

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

Poster summary

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.

Keywords

HEXAFERRITES, MOSSBAUER, SPECTROSCOPY, ALUMINIUM, XAS, MAGNETS

Research areas

Material Sciences, Electrical Engineering, Energy Engineering, Nanoengineering

References

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Funding

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

Supplemental files

No data provided

Additional information

Competing interests

No competing interests were disclosed.

Data availability statement

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

Creative Commons license

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.