{
  "abstract": "The FexRu2-xCrSi (0 < x < 2) system should theoretically reckoned to be one of the few known examples of a robust half-metallic ferromagnet with 100% spin polarisation, with Cr atoms deemed to be the main contributor to magnetism. In this system, the FeRuCrSi equiatomic member is considered a technologically important material, since band structure calculations suggest that it is a spin-gapless semiconductor. Through our extensive structural analysis of FeRuCrSi using X-ray diffraction, extended X-ray absorption fine structure and 57 Fe Mössbauer spectrometry, we have found a random disorder between the Fe and Ru sites. Contrary to theoretical predictions, the magnetic moment in this system is in fact contributed by Fe atoms, which calls into question the fundamental basis of the half-metallic character proposed for the FexRu2-xCrSi series. Our Mössbauer results also reveal a rare scenario in which key physical properties are intricately correlated with material chemistry in the form of random atomic disorder on a localised scale.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": null,
  "author_total": 10,
  "authors": [
    {
      "name": "Shuvankar Gupta"
    },
    {
      "name": "Sudip Chakraborty"
    },
    {
      "name": "Vidha Bhasin"
    },
    {
      "name": "Celine Barreteau"
    },
    {
      "name": "Jean-Claude Crivello"
    },
    {
      "name": "Jean-Marc Greneche"
    },
    {
      "name": "S N Jha"
    },
    {
      "name": "D Bhattacharyya"
    },
    {
      "name": "Eric Alleno"
    },
    {
      "name": "Chandan Mazumdar"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/8w31pxqq33vra.bib",
  "cited_by": 0,
  "doi": null,
  "fulltext_url": null,
  "id": "8w31pxqq33vra",
  "issns": [
    "2050-7526",
    "2050-7534"
  ],
  "landing_url": "https://hal.science/hal-05734359v1",
  "language": "en",
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "hal",
      "0.chim"
    ],
    [
      "hal",
      "1.chim.inor"
    ],
    [
      "hal",
      "1.chim.mate"
    ],
    [
      "hal",
      "1.chim.theo"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://hal.science/hal-05734359/document",
  "pmcid": null,
  "pmid": null,
  "published": "2026-07-29",
  "publisher": "Royal Society of Chemistry",
  "ris": "https://research.draconitic.com/paper/8w31pxqq33vra.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:17:24Z",
      "native_id": "hal-05734359",
      "source": "hal",
      "url": "https://hal.science/hal-05734359v1"
    }
  ],
  "subjects": [
    {
      "field": "chemistry",
      "origin": "hal:1.chim.inor",
      "subfield": "inorganic"
    },
    {
      "field": "chemistry",
      "origin": "hal:1.chim.mate",
      "subfield": "materials-polymers"
    },
    {
      "field": "chemistry",
      "origin": "hal:1.chim.theo",
      "subfield": "theoretical"
    }
  ],
  "title": "Impact of randomness in Fe/Ru anti-site disorder on magnetism and the likely suppression of half-metallicity in quaternary Heusler alloy FeRuCrSi",
  "title_text": "Impact of randomness in Fe/Ru anti-site disorder on magnetism and the likely suppression of half-metallicity in quaternary Heusler alloy FeRuCrSi",
  "type": "peer-reviewed",
  "updated_at": "2026-10-30T12:17:24Z",
  "url": "https://research.draconitic.com/paper/8w31pxqq33vra",
  "venue": "Journal of Materials Chemistry C",
  "versions": []
}