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Exchange bias effect in polycrystalline Bi_0.5Sr_0.5Fe_0.5Cr_0.5O₃ bulk.

ABSTRACT: Bulk Bi_0.5Sr_0.5Fe_0.5Cr_0.5O₃ (BSFCO) is a new compound comprising the R3c structure. The structural, magnetic property and exchange bias (EB) details are investigated. The material was in the super-paramagnetic (SP) state at room temperature. Exchange bias usually occurs at the boundary between different magnetic states after field cooling (H_FC) acts on the sample. Here the result shows that changing H_FC from 1 to 6 T reduces the H_EB value by 16% at 2 K at the same time. Meanwhile, H_EB diminishes as the ferromagnetic layer thickness increases. The variation of (the thickness of ferromagnetic layer) t_FM with the change of H_FC leads to the tuning of H_EB by H_FC in BSFCO bulk. These effects are obviously different from the phenomenon seen in other oxide types.

SUBMITTER: Li SZ

PROVIDER: S-EPMC10113268 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature

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Exchange bias effect in polycrystalline Bi0.5Sr0.5Fe0.5Cr0.5O3 bulk.

Li S Z SZ Rahman A A Ma C L CL Zhao X X Sun Z Y ZY Liu M F MF Wang X Z XZ Xu X F XF Liu J M JM

Scientific reports 20230418 1

Bulk Bi0.5Sr0.5Fe0.5Cr0.5O3 (BSFCO) is a new compound comprising the R3c structure. The structural, magnetic property and exchange bias (EB) details are investigated. The material was in the super-paramagnetic (SP) state at room temperature. Exchange bias usually occurs at the boundary between different magnetic states after field cooling (HFC) acts on the sample. Here the result shows that changing HFC from 1 to 6 T re ...[more]

PMID: 37072459

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