Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites

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Nanocrystalline strontium and barium hexaferrites were produced by an ionic coordination reaction method. The average particle size obtained using the Rietveld X-ray refinement technique and by scanning electron microscopy was quite uniform and close to 50 nm. Transverse susceptibility measurements...

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Principais autores: Araujo, Jose Humberto, Soares, J. M., Machado, F. L. A., Cabral, F. A. O., Rodrigues, H. A. B., Ginani, Marconi Floripe
Formato: article
Idioma:English
Publicado em: Elsevier
Assuntos:
Hexaferrites
Nanoparticles
Transverse susceptibility
Endereço do item:https://repositorio.ufrn.br/handle/123456789/45361
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spelling ri-123456789-453612021-12-14T16:40:21Z Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites Araujo, Jose Humberto Soares, J. M. Machado, F. L. A. Cabral, F. A. O. Rodrigues, H. A. B. Ginani, Marconi Floripe Hexaferrites Nanoparticles Transverse susceptibility Nanocrystalline strontium and barium hexaferrites were produced by an ionic coordination reaction method. The average particle size obtained using the Rietveld X-ray refinement technique and by scanning electron microscopy was quite uniform and close to 50 nm. Transverse susceptibility measurements yielded both the coercive and the anisotropy magnetic fields. The results were analysed using a theoretical model proposed by Aharoni et al. [Bull. Res. Counc. Isr. A 6 (1957) 215]. This overall procedure seems to be quite useful in determining the distribution of the anisotropy magnetic fields in granular materials. Nanocrystalline strontium and barium hexaferrites were produced by an ionic coordination reaction method. The average particle size obtained using the Rietveld X-ray refinement technique and by scanning electron microscopy was quite uniform and close to 50 nm. Transverse susceptibility measurements yielded both the coercive and the anisotropy magnetic fields. The results were analysed using a theoretical model proposed by Aharoni et al. [Bull. Res. Counc. Isr. A 6 (1957) 215]. This overall procedure seems to be quite useful in determining the distribution of the anisotropy magnetic fields in granular materials. 2021-12-14T16:32:13Z 2021-12-14T16:32:13Z 2006-10-01 article SOARES, J ; MACHADO, F ; DEARAUJO, J ; CABRAL, F ; RODRIGUES, H ; GINANI, M . Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites. Physica. B, Condensed Matter, v. 384, p. 85-87, 2006. DIsponível em: https://www.sciencedirect.com/science/article/pii/S092145260601026X?via%3Dihub#! Acesso em: 28 mai 2020. DOI: https://doi.org/10.1016/j.physb.2006.05.157 Print: 0921-4526 https://repositorio.ufrn.br/handle/123456789/45361 10.1016/j.physb.2006.05.157 en Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ application/pdf Elsevier
institution Repositório Institucional
collection RI - UFRN
language English
topic Hexaferrites
Nanoparticles
Transverse susceptibility
spellingShingle Hexaferrites
Nanoparticles
Transverse susceptibility
Araujo, Jose Humberto
Soares, J. M.
Machado, F. L. A.
Cabral, F. A. O.
Rodrigues, H. A. B.
Ginani, Marconi Floripe
Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites
description Nanocrystalline strontium and barium hexaferrites were produced by an ionic coordination reaction method. The average particle size obtained using the Rietveld X-ray refinement technique and by scanning electron microscopy was quite uniform and close to 50 nm. Transverse susceptibility measurements yielded both the coercive and the anisotropy magnetic fields. The results were analysed using a theoretical model proposed by Aharoni et al. [Bull. Res. Counc. Isr. A 6 (1957) 215]. This overall procedure seems to be quite useful in determining the distribution of the anisotropy magnetic fields in granular materials.
format article
author Araujo, Jose Humberto
Soares, J. M.
Machado, F. L. A.
Cabral, F. A. O.
Rodrigues, H. A. B.
Ginani, Marconi Floripe
author_facet Araujo, Jose Humberto
Soares, J. M.
Machado, F. L. A.
Cabral, F. A. O.
Rodrigues, H. A. B.
Ginani, Marconi Floripe
author_sort Araujo, Jose Humberto
title Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites
title_short Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites
title_full Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites
title_fullStr Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites
title_full_unstemmed Anisotropy field and transverse susceptibility in nanocrystalline hexaferrites
title_sort anisotropy field and transverse susceptibility in nanocrystalline hexaferrites
publisher Elsevier
publishDate 2021
url https://repositorio.ufrn.br/handle/123456789/45361
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