{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:QTVOEUTNQQSYIAOUQY44HBBN4I","short_pith_number":"pith:QTVOEUTN","schema_version":"1.0","canonical_sha256":"84eae2526d84258401d48639c3842de22a436a05599c76880fb23f9ac3304ec1","source":{"kind":"arxiv","id":"1810.02942","version":1},"attestation_state":"computed","paper":{"title":"Sr$_3$Ir$_2$O$_7$F$_2$: Topochemical conversion of a relativistic Mott state into a spin-orbit driven band insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"B. C. Chakoumakos, Christi Peterson, Chris Van de Walle, G. H. Ahn, Guang Wu, Huibo Cao, Jacob P. C. Ruff, Michael W. Swift, Raphaele J. Clement, S. J. Moon, Stephen D. Wilson, Zach Porter","submitted_at":"2018-10-06T06:16:41Z","abstract_excerpt":"The topochemical transformation of single crystals of Sr$_3$Ir$_2$O$_7$ into Sr$_3$Ir$_2$O$_7$F$_2$ is reported via fluorine insertion. Characterization of the newly formed Sr$_3$Ir$_2$O$_7$F$_2$ phase shows a nearly complete oxidation of Ir$^{4+}$ cations into Ir$^{5+}$ that in turn drives the system from an antiferromagnetic Mott insulator with a half-filled J$_{eff}=1/2$ band into a nonmagnetic $J=0$ band insulator. First principles calculations reveal a remarkably flat insertion energy that locally drives the fluorination process to completion. Band structure calculations support the forma"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1810.02942","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-10-06T06:16:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"fdc79830d2cae13c6d7a25173745d44714291893cd7375a5c51b364fa55a7293","abstract_canon_sha256":"d5b18d1a06e80c11ba4e54fb84e43f01676984288d899b899a52a04b455c1450"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:48.951089Z","signature_b64":"oESVzKCJCA4RCicN6oaSOHktFGjjDuCDsti59Stuyz4PCeLnOfXm3FUcxQNNOh7idW5kalFCTXko8AUxABhrCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84eae2526d84258401d48639c3842de22a436a05599c76880fb23f9ac3304ec1","last_reissued_at":"2026-05-18T00:02:48.950586Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:48.950586Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sr$_3$Ir$_2$O$_7$F$_2$: Topochemical conversion of a relativistic Mott state into a spin-orbit driven band insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"B. C. Chakoumakos, Christi Peterson, Chris Van de Walle, G. H. Ahn, Guang Wu, Huibo Cao, Jacob P. C. Ruff, Michael W. Swift, Raphaele J. Clement, S. J. Moon, Stephen D. Wilson, Zach Porter","submitted_at":"2018-10-06T06:16:41Z","abstract_excerpt":"The topochemical transformation of single crystals of Sr$_3$Ir$_2$O$_7$ into Sr$_3$Ir$_2$O$_7$F$_2$ is reported via fluorine insertion. Characterization of the newly formed Sr$_3$Ir$_2$O$_7$F$_2$ phase shows a nearly complete oxidation of Ir$^{4+}$ cations into Ir$^{5+}$ that in turn drives the system from an antiferromagnetic Mott insulator with a half-filled J$_{eff}=1/2$ band into a nonmagnetic $J=0$ band insulator. First principles calculations reveal a remarkably flat insertion energy that locally drives the fluorination process to completion. Band structure calculations support the forma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.02942","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1810.02942","created_at":"2026-05-18T00:02:48.950668+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.02942v1","created_at":"2026-05-18T00:02:48.950668+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.02942","created_at":"2026-05-18T00:02:48.950668+00:00"},{"alias_kind":"pith_short_12","alias_value":"QTVOEUTNQQSY","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"QTVOEUTNQQSYIAOU","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"QTVOEUTN","created_at":"2026-05-18T12:32:46.962924+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QTVOEUTNQQSYIAOUQY44HBBN4I","json":"https://pith.science/pith/QTVOEUTNQQSYIAOUQY44HBBN4I.json","graph_json":"https://pith.science/api/pith-number/QTVOEUTNQQSYIAOUQY44HBBN4I/graph.json","events_json":"https://pith.science/api/pith-number/QTVOEUTNQQSYIAOUQY44HBBN4I/events.json","paper":"https://pith.science/paper/QTVOEUTN"},"agent_actions":{"view_html":"https://pith.science/pith/QTVOEUTNQQSYIAOUQY44HBBN4I","download_json":"https://pith.science/pith/QTVOEUTNQQSYIAOUQY44HBBN4I.json","view_paper":"https://pith.science/paper/QTVOEUTN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.02942&json=true","fetch_graph":"https://pith.science/api/pith-number/QTVOEUTNQQSYIAOUQY44HBBN4I/graph.json","fetch_events":"https://pith.science/api/pith-number/QTVOEUTNQQSYIAOUQY44HBBN4I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QTVOEUTNQQSYIAOUQY44HBBN4I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QTVOEUTNQQSYIAOUQY44HBBN4I/action/storage_attestation","attest_author":"https://pith.science/pith/QTVOEUTNQQSYIAOUQY44HBBN4I/action/author_attestation","sign_citation":"https://pith.science/pith/QTVOEUTNQQSYIAOUQY44HBBN4I/action/citation_signature","submit_replication":"https://pith.science/pith/QTVOEUTNQQSYIAOUQY44HBBN4I/action/replication_record"}},"created_at":"2026-05-18T00:02:48.950668+00:00","updated_at":"2026-05-18T00:02:48.950668+00:00"}