{"paper":{"title":"Collinear ferromagnetism with reduced moment length in kagome magnet Nd3Ru4Al12","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Nd3Ru4Al12 is a collinear ferromagnet with uniform 2.1 μB moments on every neodymium site.","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Akiko Kikkawa, Hiraku Saitoh, Kamil K. Kolincio, Kamini Gautam, Masaaki Matsuda, Max Hirschberger, Moritz M. Hirschmann, Priya R. Baral, Rinsuke Yamada, Ryota Nakano, Seno Aji, Taka-hisa Arima, Takuya Nomoto, Taro Nakajima, Yasujiro Taguchi, Yoshinori Tokura, Yuki Ishihara","submitted_at":"2026-05-02T13:53:06Z","abstract_excerpt":"We determine the magnetic ground state of the kagome lattice magnet Nd3Ru4Al12 by single-crystal neutron diffraction, supported by experiments with polarized neutrons. We identify this material as a collinear ferromagnet (\"hex-FM\") with uniform moment length mc = 2.1 {\\mu}B/Nd and ordering vector Q = 0, in contrast to a previous, seminal report that proposed unequal moment lengths on two Nd sites, here called the \"ortho-FM\" state. Our analysis of the flipping ratio in polarized neutron scattering is consistent with the hex-FM state. The results provide a microscopic basis for understanding the"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"We identify this material as a collinear ferromagnet (hex-FM) with uniform moment length mc = 2.1 μB/Nd and ordering vector Q = 0, in contrast to a previous, seminal report that proposed unequal moment lengths on two Nd sites.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the observed neutron intensities and polarized flipping ratios are produced solely by the hex-FM structure and are not significantly affected by domain populations, extinction effects, or minor impurity phases.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Nd3Ru4Al12 is a collinear ferromagnet with uniform Nd moment length of 2.1 μB and ordering vector Q=0, not the previously proposed state with unequal moments on two Nd sites.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Nd3Ru4Al12 is a collinear ferromagnet with uniform 2.1 μB moments on every neodymium site.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"c3ca323fc0708f5b47c3a6b0f58941a64d80202f5bcacfa17c5420fe51efd07b"},"source":{"id":"2605.01447","kind":"arxiv","version":2},"verdict":{"id":"1be3ae27-27c2-49c0-8c2d-a9379c0d1296","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-09T18:04:58.814564Z","strongest_claim":"We identify this material as a collinear ferromagnet (hex-FM) with uniform moment length mc = 2.1 μB/Nd and ordering vector Q = 0, in contrast to a previous, seminal report that proposed unequal moment lengths on two Nd sites.","one_line_summary":"Nd3Ru4Al12 is a collinear ferromagnet with uniform Nd moment length of 2.1 μB and ordering vector Q=0, not the previously proposed state with unequal moments on two Nd sites.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the observed neutron intensities and polarized flipping ratios are produced solely by the hex-FM structure and are not significantly affected by domain populations, extinction effects, or minor impurity phases.","pith_extraction_headline":"Nd3Ru4Al12 is a collinear ferromagnet with uniform 2.1 μB moments on every neodymium site."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.01447/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"ai_meta_artifact","ran_at":"2026-05-20T17:41:29.992974Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"doi_compliance","ran_at":"2026-05-19T17:17:26.351654Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"1cb07f310cc438b4de7f079cca76272a0a7d1215fb62d204815a480e2df23b81"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}