{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:6PD5MPU3LBNKXYPRBDDL42VGBF","short_pith_number":"pith:6PD5MPU3","schema_version":"1.0","canonical_sha256":"f3c7d63e9b585aabe1f108c6be6aa609614ca8a0b10271a3479baf81b0efdd06","source":{"kind":"arxiv","id":"1408.4197","version":1},"attestation_state":"computed","paper":{"title":"Superconducting Transition Temperatures of up to 47 K from Simultaneous Rare-Earth Element and Antimony Doping of 112-Type CaFeAs2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Hiromi Ota, Kazunori Fujimura, Kazutaka Kudo, Minoru Nohara, Tasuku Mizukami, Yutaka Kitahama","submitted_at":"2014-08-19T02:59:26Z","abstract_excerpt":"The effects of simultaneous Sb doping on the superconductivity of 112-type Ca1-xRExFeAs2 (RE = La, Ce, Pr, and Nd) were studied through measurements of the magnetization and electrical resistivity. In Sb-free materials, the superconducting transition temperature Tc of the La-doped sample was 35 K, while those of the Pr- and Nd-doped samples were ~10 K; no superconductivity was observed in the Ce-doped sample. Sb doping increased the Tc of all RE-doped samples: Tc increased to 47, 43, 43, and 43 K for RE = La, Ce, Pr, and Nd, respectively. We also found that the enhanced superconductivity resul"},"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":"1408.4197","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-08-19T02:59:26Z","cross_cats_sorted":[],"title_canon_sha256":"75765116ee01d57c33b2f2fdd1df2867ecaf7dbed004254995fdde1132e4e065","abstract_canon_sha256":"f17acade54bfcd1fe763fdff7558fb585800dfe931ab878193a2bbf18476a70f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:55.903742Z","signature_b64":"3p8nDDnMwCPiI6uvj3JVpS33SLuQc9BjU9vP66Hcog4O9gQEoa6cgEs6F29C1hiEIQP0Il77j1vCcTwSH1TUDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3c7d63e9b585aabe1f108c6be6aa609614ca8a0b10271a3479baf81b0efdd06","last_reissued_at":"2026-05-18T02:44:55.903146Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:55.903146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Superconducting Transition Temperatures of up to 47 K from Simultaneous Rare-Earth Element and Antimony Doping of 112-Type CaFeAs2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Hiromi Ota, Kazunori Fujimura, Kazutaka Kudo, Minoru Nohara, Tasuku Mizukami, Yutaka Kitahama","submitted_at":"2014-08-19T02:59:26Z","abstract_excerpt":"The effects of simultaneous Sb doping on the superconductivity of 112-type Ca1-xRExFeAs2 (RE = La, Ce, Pr, and Nd) were studied through measurements of the magnetization and electrical resistivity. In Sb-free materials, the superconducting transition temperature Tc of the La-doped sample was 35 K, while those of the Pr- and Nd-doped samples were ~10 K; no superconductivity was observed in the Ce-doped sample. Sb doping increased the Tc of all RE-doped samples: Tc increased to 47, 43, 43, and 43 K for RE = La, Ce, Pr, and Nd, respectively. We also found that the enhanced superconductivity resul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.4197","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":"1408.4197","created_at":"2026-05-18T02:44:55.903240+00:00"},{"alias_kind":"arxiv_version","alias_value":"1408.4197v1","created_at":"2026-05-18T02:44:55.903240+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.4197","created_at":"2026-05-18T02:44:55.903240+00:00"},{"alias_kind":"pith_short_12","alias_value":"6PD5MPU3LBNK","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_16","alias_value":"6PD5MPU3LBNKXYPR","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_8","alias_value":"6PD5MPU3","created_at":"2026-05-18T12:28:16.859392+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/6PD5MPU3LBNKXYPRBDDL42VGBF","json":"https://pith.science/pith/6PD5MPU3LBNKXYPRBDDL42VGBF.json","graph_json":"https://pith.science/api/pith-number/6PD5MPU3LBNKXYPRBDDL42VGBF/graph.json","events_json":"https://pith.science/api/pith-number/6PD5MPU3LBNKXYPRBDDL42VGBF/events.json","paper":"https://pith.science/paper/6PD5MPU3"},"agent_actions":{"view_html":"https://pith.science/pith/6PD5MPU3LBNKXYPRBDDL42VGBF","download_json":"https://pith.science/pith/6PD5MPU3LBNKXYPRBDDL42VGBF.json","view_paper":"https://pith.science/paper/6PD5MPU3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1408.4197&json=true","fetch_graph":"https://pith.science/api/pith-number/6PD5MPU3LBNKXYPRBDDL42VGBF/graph.json","fetch_events":"https://pith.science/api/pith-number/6PD5MPU3LBNKXYPRBDDL42VGBF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6PD5MPU3LBNKXYPRBDDL42VGBF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6PD5MPU3LBNKXYPRBDDL42VGBF/action/storage_attestation","attest_author":"https://pith.science/pith/6PD5MPU3LBNKXYPRBDDL42VGBF/action/author_attestation","sign_citation":"https://pith.science/pith/6PD5MPU3LBNKXYPRBDDL42VGBF/action/citation_signature","submit_replication":"https://pith.science/pith/6PD5MPU3LBNKXYPRBDDL42VGBF/action/replication_record"}},"created_at":"2026-05-18T02:44:55.903240+00:00","updated_at":"2026-05-18T02:44:55.903240+00:00"}