Broadband transverse susceptibility in multiferroic Y-type hexaferrite Ba$_{0.5}$Sr$_{1.5}$Co$_2$Fe$_{12}$O${22}$
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| Format: | Preprint |
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2024
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| _version_ | 1866911786562748416 |
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| author | Hernández-Gómez, P. Martín-González, D. Torres, C. Muñoz, J. M. |
| author_facet | Hernández-Gómez, P. Martín-González, D. Torres, C. Muñoz, J. M. |
| contents | Single phase multiferroics in which ordered magnetic and ferroelectricity coexist, are of great interest for new multifunctional devices, and among them Y-type hexaferrites are good candidates. Transverse susceptibility measurements, which have been proved to be a versatile tool to study singular properties of bulk and nanoparticle magnetic systems, have been carried out with a broadband system on polycrystalline Y type hexaferrites with composition Ba$_{0.5}$Sr$_{1.5}$Co$_2$Fe$_{12}$O${22}$, optimal to exhibit multiferroic properties. In the temperature range 80-350 K transverse susceptibility measurements with DC fields up to $\pm$5000 Oe reveal different behaviour depending on the sintering temperature. The thermal evolution of the anisotropy field peak exhibit four regions with different slopes: positive in 80-130 K, negative in 130-200 K, constant in 200-280 K and negative in 280-350 K, which can be considered a signature of spin transitions in this compound. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2402_16879 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Broadband transverse susceptibility in multiferroic Y-type hexaferrite Ba$_{0.5}$Sr$_{1.5}$Co$_2$Fe$_{12}$O${22}$ Hernández-Gómez, P. Martín-González, D. Torres, C. Muñoz, J. M. Materials Science Strongly Correlated Electrons Single phase multiferroics in which ordered magnetic and ferroelectricity coexist, are of great interest for new multifunctional devices, and among them Y-type hexaferrites are good candidates. Transverse susceptibility measurements, which have been proved to be a versatile tool to study singular properties of bulk and nanoparticle magnetic systems, have been carried out with a broadband system on polycrystalline Y type hexaferrites with composition Ba$_{0.5}$Sr$_{1.5}$Co$_2$Fe$_{12}$O${22}$, optimal to exhibit multiferroic properties. In the temperature range 80-350 K transverse susceptibility measurements with DC fields up to $\pm$5000 Oe reveal different behaviour depending on the sintering temperature. The thermal evolution of the anisotropy field peak exhibit four regions with different slopes: positive in 80-130 K, negative in 130-200 K, constant in 200-280 K and negative in 280-350 K, which can be considered a signature of spin transitions in this compound. |
| title | Broadband transverse susceptibility in multiferroic Y-type hexaferrite Ba$_{0.5}$Sr$_{1.5}$Co$_2$Fe$_{12}$O${22}$ |
| topic | Materials Science Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2402.16879 |