Journal article
AC susceptibility and FC-ZFC magnetic properties of SrTb Fe12–O19 and SrTm Fe12–O19 hexaferrites: comparative study

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Publication Details
Author list: Y. Slimani, M. A. Almessiere, A. Demir Korkmaz, A. Baykal and I. Ercan
Publisher: Elsevier
Publication year: 2020
Journal: Journal of Rare Earths
ISSN: 1002-0721
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eISSN: 1002-0721

In this comparative study, Tb and Tm substituted Sr-hexaferrites (HFs) with the chemical compositions of SrTbxFe12–xO19 and SrTmxFe12–xO19 (x = 0.00, 0.02 and 0.04) were fabricated via citrate sol-gel approach. The AC susceptibility and FC-ZFC magnetization were investigated. The product structure and morphologies were also investigated via XRD, TEM and SEM along with EDX. Measurements of temperature dependence of magnetization M-T and AC magnetic susceptibility versus temperature were carried out. The various synthesized HFs displayed ferrimagnetic behavior within 10–325 K. At lower temperatures, super-spin glass-like behavior was noticed. Neel-Arrhenius and Vogel-Fulcher models were employed to explore the experimental data of AC susceptibility.

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Last updated on 2021-17-03 at 10:16