Local atomic disorder and temperature dependence of saturation magnetization in yttrium iron garnet

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dc.creatorPena Garcia, Ramón Raudel
dc.creatorGuerra Dávila, Yuset
dc.creatorOliveira, Dyego Maia de
dc.creatorFranco Júnior, Adolfo
dc.creatorPadrón Hernández, Eduardo
dc.date.accessioned2023-11-01T15:23:02Z
dc.date.available2023-11-01T15:23:02Z
dc.date.issued2020
dc.description.abstractIn the present work experimental data for saturation magnetization at low temperatures, of yttrium iron garnet nanoparticles are different from that expected by the T3/2 Bloch's Law. This result is mainly conditioned by the local atomic disorder induced during the nanoparticles preparation by using the sol gel method. To correctly describe the experimental curves, a fitting using Cojocaru's theory was performed because the model uses geometric and other conditions in agreement with our experimental results. The magnetic ions localized at the nanoparticles surface, outside the crystalline periodicity, are the responsible by the saturation magnetization behavior presented here.
dc.identifier.citationPEÑA-GARCIA, R. et al. Local atomic disorder and temperature dependence of saturation magnetization in yttrium iron garnet. Ceramics International, Amsterdam, v. 46, n. 5, p. 5871-5875, 2020. DOI: 10.1016/j.ceramint.2019.11.038. Disponível em: https://www.sciencedirect.com/science/article/pii/S027288421933216X. Acesso em: 4 set. 2023.
dc.identifier.doi10.1016/j.ceramint.2019.11.038
dc.identifier.issn0272-8842
dc.identifier.issne- 1873-3956
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S027288421933216X
dc.language.isoeng
dc.publisher.countryHolanda
dc.publisher.departmentInstituto de Física - IF (RMG)
dc.rightsAcesso Restrito
dc.subjectSaturation magnetization
dc.subjectBloch law
dc.subjectYIG
dc.subjectSol gel
dc.subjectAtomic disorder
dc.titleLocal atomic disorder and temperature dependence of saturation magnetization in yttrium iron garnet
dc.typeArtigo

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