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Quenching of ferrimagneticlike ordering in SrCr8Fe4O19 hexagonal ferrite

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We report here measurements of high field (H≤150 kOe) isothermal magnetization, dc and ac susceptibility, and Mossbauer spectroscopy of the exchange frustrated insulator SrCr8Fe4O19. The isothermal magnetization and Mossbauer spectroscopy results are consistent with a ferrimagneticlike transition at TC≊250 K. Low field dc and ac susceptibility measurements reveal a reentrant spin‐glass transition at low temperature but they fail to show any anomaly at the nominal Curie temperature TC. This unusual feature is interpreted as indicative of a transition where long range ferrimagnetic ordering has been replaced by a correlated spin‐glass phase with finite spin correlation length.

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OBRADORS, Xavier, et al. Quenching of ferrimagneticlike ordering in SrCr8Fe4O19 hexagonal ferrite. Journal of Applied Physics. 1988. Vol. 63, num. 8, pags. 4091-4093. ISSN 0021-8979. [consulted: 24 of May of 2026]. Available at: https://hdl.handle.net/2445/22093

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