{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:H5WAYUZZT35YTPR4H67GH6P2YJ","short_pith_number":"pith:H5WAYUZZ","schema_version":"1.0","canonical_sha256":"3f6c0c53399efb89be3c3fbe63f9fac24766a599dec3884a4e9f85b1915ea628","source":{"kind":"arxiv","id":"1401.7576","version":1},"attestation_state":"computed","paper":{"title":"The poisoning effect of Mn in LaFe(1-x)Mn(x)AsO(0.89)F(0.11): unveiling a quantum critical point in the phase diagram of iron-based superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"F. Hammerath, G. Prando, M. Sato, P. Bonf\\'a, P. Carretta, R. De Renzi, S. Sanna, Y. Kobayashi","submitted_at":"2014-01-29T16:27:18Z","abstract_excerpt":"A superconducting-to-magnetic transition is reported for LaFe$_{1-x}$Mn$_x$AsO$_{0.89}$F$_{0.11}$ where a per thousand amount of Mn impurities is dispersed. By employing local spectroscopic techniques like muon spin rotation (muSR) and nuclear quadrupole resonance (NQR) on compounds with Mn contents ranging from x=0.025% to x=0.75%, we find that the electronic properties are extremely sensitive to the Mn impurities. In fact, a small amount of Mn as low as 0.2% suppresses superconductivity completely. Static magnetism, involving the FeAs planes, is observed to arise for x > 0.1% and becomes fur"},"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":"1401.7576","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-01-29T16:27:18Z","cross_cats_sorted":[],"title_canon_sha256":"b10d6db98102f338638b13ffdb3d5b26307a24ccecae6c3a306ce20caeff48bd","abstract_canon_sha256":"4e069d3deda90e929e8c92d51fb990f5600050d742e67e944d892d90b11bed8f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:54:46.543876Z","signature_b64":"t4sFecidOqelQRw57AfqCEnnxLZSvEGGsKPUPJ5ih4HrGbXYMiLTNCCyXrAPX/p7DIpe9l2BN+q5Pw5baP10CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f6c0c53399efb89be3c3fbe63f9fac24766a599dec3884a4e9f85b1915ea628","last_reissued_at":"2026-05-18T02:54:46.543431Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:54:46.543431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The poisoning effect of Mn in LaFe(1-x)Mn(x)AsO(0.89)F(0.11): unveiling a quantum critical point in the phase diagram of iron-based superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"F. Hammerath, G. Prando, M. Sato, P. Bonf\\'a, P. Carretta, R. De Renzi, S. Sanna, Y. Kobayashi","submitted_at":"2014-01-29T16:27:18Z","abstract_excerpt":"A superconducting-to-magnetic transition is reported for LaFe$_{1-x}$Mn$_x$AsO$_{0.89}$F$_{0.11}$ where a per thousand amount of Mn impurities is dispersed. By employing local spectroscopic techniques like muon spin rotation (muSR) and nuclear quadrupole resonance (NQR) on compounds with Mn contents ranging from x=0.025% to x=0.75%, we find that the electronic properties are extremely sensitive to the Mn impurities. In fact, a small amount of Mn as low as 0.2% suppresses superconductivity completely. Static magnetism, involving the FeAs planes, is observed to arise for x > 0.1% and becomes fur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7576","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":"1401.7576","created_at":"2026-05-18T02:54:46.543507+00:00"},{"alias_kind":"arxiv_version","alias_value":"1401.7576v1","created_at":"2026-05-18T02:54:46.543507+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7576","created_at":"2026-05-18T02:54:46.543507+00:00"},{"alias_kind":"pith_short_12","alias_value":"H5WAYUZZT35Y","created_at":"2026-05-18T12:28:30.664211+00:00"},{"alias_kind":"pith_short_16","alias_value":"H5WAYUZZT35YTPR4","created_at":"2026-05-18T12:28:30.664211+00:00"},{"alias_kind":"pith_short_8","alias_value":"H5WAYUZZ","created_at":"2026-05-18T12:28:30.664211+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/H5WAYUZZT35YTPR4H67GH6P2YJ","json":"https://pith.science/pith/H5WAYUZZT35YTPR4H67GH6P2YJ.json","graph_json":"https://pith.science/api/pith-number/H5WAYUZZT35YTPR4H67GH6P2YJ/graph.json","events_json":"https://pith.science/api/pith-number/H5WAYUZZT35YTPR4H67GH6P2YJ/events.json","paper":"https://pith.science/paper/H5WAYUZZ"},"agent_actions":{"view_html":"https://pith.science/pith/H5WAYUZZT35YTPR4H67GH6P2YJ","download_json":"https://pith.science/pith/H5WAYUZZT35YTPR4H67GH6P2YJ.json","view_paper":"https://pith.science/paper/H5WAYUZZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1401.7576&json=true","fetch_graph":"https://pith.science/api/pith-number/H5WAYUZZT35YTPR4H67GH6P2YJ/graph.json","fetch_events":"https://pith.science/api/pith-number/H5WAYUZZT35YTPR4H67GH6P2YJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/H5WAYUZZT35YTPR4H67GH6P2YJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/H5WAYUZZT35YTPR4H67GH6P2YJ/action/storage_attestation","attest_author":"https://pith.science/pith/H5WAYUZZT35YTPR4H67GH6P2YJ/action/author_attestation","sign_citation":"https://pith.science/pith/H5WAYUZZT35YTPR4H67GH6P2YJ/action/citation_signature","submit_replication":"https://pith.science/pith/H5WAYUZZT35YTPR4H67GH6P2YJ/action/replication_record"}},"created_at":"2026-05-18T02:54:46.543507+00:00","updated_at":"2026-05-18T02:54:46.543507+00:00"}