{
  "abstract": "We present a practical route to disentangle the competing magnetic couplings in mixed 3d/4f oxides. The approach relies on a mean-field treatment of magnetic data, applied to two reference compounds measured alongside the target material: one in which the 4f magnetic ion is replaced by non-magnetic yttrium (Ln 3+ → Y 3+ ), and another in which the 3d magnetic ion is replaced by a non-magnetic cation of the same row and valence (Fe 3+ → Ga 3+ in the present case). We apply this strategy to two members of the Ba₂LnFeO₅ family (Ln=Dy,Ho), which has an original structure made of zig-zag LnO 6 octahedra separated by isolated FeO 4 tetrahedra. In these compounds the 3d-3d , 4f-4f , and 3d-4f exchanges are expected to lie on comparable energy scales, making them difficult to separate. The extracted coupling constants are compared with literature values and placed in a broader energetic hierarchy by assessing them against anisotropy and dipolar interactions.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": null,
  "author_total": 6,
  "authors": [
    {
      "name": "V. Hardy"
    },
    {
      "name": "V. Caignaert"
    },
    {
      "name": "F. Veillon"
    },
    {
      "name": "S. Collin"
    },
    {
      "name": "Y. Bréard"
    },
    {
      "name": "B. Gonano"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/96jqx3w120mgm.bib",
  "cited_by": 0,
  "doi": "10.1016/j.jmmm.2026.174507",
  "fulltext_url": null,
  "id": "96jqx3w120mgm",
  "issns": [
    "0304-8853",
    "1873-4766"
  ],
  "landing_url": "https://hal.science/hal-05799693v1",
  "language": "en",
  "licence": "CC-BY",
  "licence_label": "CC BY",
  "licence_source": "journal",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "hal",
      "0.chim"
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    [
      "hal",
      "0.phys"
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      "hal",
      "0.spi"
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      "hal",
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    [
      "openalex",
      "2504|Magnetic and transport properties of perovskites and related materials"
    ]
  ],
  "openalex": "W7203833312",
  "pdf_url": "https://www.sciencedirect.com/science/article/pii/S0304885326006992/pdf",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-14",
  "publisher": "Elsevier",
  "ris": "https://research.draconitic.com/paper/96jqx3w120mgm.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:57Z",
      "native_id": "hal-05799693",
      "source": "hal",
      "url": "https://hal.science/hal-05799693v1"
    }
  ],
  "subjects": [
    {
      "field": "chemistry",
      "origin": "hal:1.chim.mate",
      "subfield": "materials-polymers"
    },
    {
      "field": "physics",
      "origin": "hal:0.phys",
      "subfield": "general"
    }
  ],
  "title": "Unbundling the magnetic interactions in 3d/4f oxides: application to Ba2LnFeO5 compounds",
  "title_text": "Unbundling the magnetic interactions in 3d/4f oxides: application to Ba2LnFeO5 compounds",
  "type": "peer-reviewed",
  "updated_at": "2026-10-30T12:17:57Z",
  "url": "https://research.draconitic.com/paper/96jqx3w120mgm",
  "venue": "Journal of Magnetism and Magnetic Materials",
  "versions": []
}