{"paper":{"title":"Evolution of crystal field and intraionic interactions in the ilmenite $A$IrO$_3$ ($A$ = Mg, Zn, Cd) and hyperhoneycomb $\\beta$-ZnIrO$_3$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Local multiplet parameters match in ilmenite and hyperhoneycomb ZnIrO3, showing lattice structure alone controls their distinct magnetic states.","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Hakuto Suzuki, Hiroko Aruga Katori, Kenji Ishii, Yuya Haraguchi","submitted_at":"2026-04-10T04:02:58Z","abstract_excerpt":"Spin-orbit Mott insulators with the $t_{2g}^5$ electron configuration are promising platforms for the Kitaev spin liquid, yet fine-tuning of their crystal structures is essential to suppress non-Kitaev interactions. Here, we investigate the local electronic structures of the ilmenite iridates $A\\mathrm{IrO}_3$ ($A = \\mathrm{Mg}, \\mathrm{Zn}, \\mathrm{Cd}$) and the hyperhoneycomb $\\beta\\text{-}\\mathrm{ZnIrO}_3$ using Ir $L_3$-edge resonant inelastic x-ray scattering (RIXS). Multiplet analysis of the RIXS spectra reveals a systematic evolution of the crystal field and intraionic interaction param"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The local multiplet parameters of ilmenite ZnIrO3 and hyperhoneycomb β-ZnIrO3 are found to be nearly identical, demonstrating that their different magnetic ground states are primarily governed by their distinct lattice structures rather than the single-ion properties.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The multiplet model used to fit the RIXS spectra fully captures the crystal-field and intraionic parameters without significant unaccounted contributions from covalency, phonons, or other many-body effects that could alter the extracted values.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"RIXS multiplet analysis finds increasing trigonal distortion with larger A-site ions in AIrO3 iridates, explaining J=1/2 deviations in CdIrO3, while ilmenite and hyperhoneycomb ZnIrO3 have matching local parameters so their magnetic differences arise from lattice connectivity.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Local multiplet parameters match in ilmenite and hyperhoneycomb ZnIrO3, showing lattice structure alone controls their distinct magnetic states.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"f8ef9479cf37f61f618deef2cb40796b64b7a1bd52c5f256e55e805723fa1a05"},"source":{"id":"2604.08934","kind":"arxiv","version":1},"verdict":{"id":"871d16fb-ffa1-4ab5-b524-a986e6da2bf9","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-10T17:56:44.245024Z","strongest_claim":"The local multiplet parameters of ilmenite ZnIrO3 and hyperhoneycomb β-ZnIrO3 are found to be nearly identical, demonstrating that their different magnetic ground states are primarily governed by their distinct lattice structures rather than the single-ion properties.","one_line_summary":"RIXS multiplet analysis finds increasing trigonal distortion with larger A-site ions in AIrO3 iridates, explaining J=1/2 deviations in CdIrO3, while ilmenite and hyperhoneycomb ZnIrO3 have matching local parameters so their magnetic differences arise from lattice connectivity.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The multiplet model used to fit the RIXS spectra fully captures the crystal-field and intraionic parameters without significant unaccounted contributions from covalency, phonons, or other many-body effects that could alter the extracted values.","pith_extraction_headline":"Local multiplet parameters match in ilmenite and hyperhoneycomb ZnIrO3, showing lattice structure alone controls their distinct magnetic states."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2604.08934/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":34,"sample":[{"doi":"","year":2006,"title":"Kitaev, Anyons in an exactly solved model and be- yond, Ann","work_id":"2658fcad-cd09-449b-b1ce-5bf63ad69dfb","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2017,"title":"L. Savary and L. Balents, Quantum spin liquids: a re- view, Rep. Prog. Phys. 80, 016502 (2017)","work_id":"7c6ca184-bacb-4930-8d28-b2f7653d493e","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2009,"title":"G. Jackeli and G. Khaliullin, Mott insulators in the strong spin-orbit coupling limit: From Heisen- berg to a quantum compass and Kitaev models, Phys. Rev. Lett. 102, 017205 (2009)","work_id":"58180566-cbca-410f-826f-3b3f1efccf49","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2016,"title":"J. G. Rau, E. K.-H. Lee, and H.-Y. Kee, Spin- orbit physics giving rise to novel phases in cor- related systems: Iridates and related materials, Annu. Rev. Condens. Matter Phys. 7, 195 (2016)","work_id":"c1af3738-e88e-413c-9d38-31bcb18cdaa3","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2018,"title":"M. Hermanns, I. Kimchi, and J. Knolle, Physics of the Kitaev model: Fractionalization, dy- namic correlations, and material connections, Annu. Rev. Condens. Matter Phys. 9, 17 (2018)","work_id":"35c814d0-0636-4abc-9cec-5e6773fa99f7","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":34,"snapshot_sha256":"9d92aff8eddbc77d81f1941d92d9115211f69f5eafe4c46956c2cbf20f626065","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"}