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Pré-Publication, Document De Travail Année : 2024

Finite size effects on the metamagnetic phase transition in a B2 FeRh nanocluster thick film

Clément Albin
Bruno Canut
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Edwige Otero
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Résumé

FeRh alloys in the CsCl-type (B2) chemically ordered phase present an antiferromagnetic to ferromagnetic order transition around 370 K observed in bulk and continuous films but absent in nanoclusters. In this study, we investigate the thermal magnetic behavior of a thick film composed of assembled FeRh nanoclusters preformed in the gas phase. This work reveals a broad and asymmetric metamagnetic transition with a consequent residual magnetization at low temperature. Due to the coexistence of different grain sizes in the sample, we confront the results with a description that involves two populations of B2-FeRh particles, and the existence of a discriminating size below which the magnetic order transition does not take place.
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Dates et versions

hal-04480041 , version 1 (27-02-2024)

Identifiants

  • HAL Id : hal-04480041 , version 1

Citer

Guillermo Herrera, Anthony Robert, Sara Gonzalez, Patrick Schöffmann, Alexandre Tamion, et al.. Finite size effects on the metamagnetic phase transition in a B2 FeRh nanocluster thick film. 2024. ⟨hal-04480041⟩
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