{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:5O7LEEKQQYNHG6FDRFNRKDZC6R","short_pith_number":"pith:5O7LEEKQ","schema_version":"1.0","canonical_sha256":"ebbeb21150861a7378a3895b150f22f44cf71e0b60e7ce5efe2bf14ce1a175cb","source":{"kind":"arxiv","id":"1509.04892","version":1},"attestation_state":"computed","paper":{"title":"Improved superconducting properties of skutterudite La3Co4Sn13 with indium substitution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"P. Neha, P. Srivastava, R. Jha, Shruti, S. Patnaik, V.P.S. Awana","submitted_at":"2015-09-16T11:51:12Z","abstract_excerpt":"We report on two fold increase in superconducting transition temperature of La3Co4Sn13 by substituting indium at the tin site. The transition temperature of this skutterudite is observed to increase from 2.5 K to 5.1 K for 10 % indium substituted sample. The band structure and density of states calculations also indicate such a possibility. The compounds exhibit type - II superconductivity and the values of lower critical field (Hc1), upper critical field (Hc2), Ginzburg - Landau coherence length , penetration depth and GL parameter are estimated to be 0.0028 T, 0.68 T, 21.6 nm, 33.2 nm and 1."},"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":"1509.04892","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-09-16T11:51:12Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"dcc94a7f58232a686b4d3995ccc6c04b79d128c8b25a573352f263eafc916d4d","abstract_canon_sha256":"10ca2b3854c57e90908a18a6d3e791a5e7bd3c6ccfe4f4296713f29107663232"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:51.406212Z","signature_b64":"5DbJAxEt1/5cDm9QByCD8STzkR5Jao6dMCstKi330eTpPROpBan6YDdiMSxCyfUKLLPtfPK6tuOjhfnoRhuYDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ebbeb21150861a7378a3895b150f22f44cf71e0b60e7ce5efe2bf14ce1a175cb","last_reissued_at":"2026-05-18T01:32:51.405557Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:51.405557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Improved superconducting properties of skutterudite La3Co4Sn13 with indium substitution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"P. Neha, P. Srivastava, R. Jha, Shruti, S. Patnaik, V.P.S. Awana","submitted_at":"2015-09-16T11:51:12Z","abstract_excerpt":"We report on two fold increase in superconducting transition temperature of La3Co4Sn13 by substituting indium at the tin site. The transition temperature of this skutterudite is observed to increase from 2.5 K to 5.1 K for 10 % indium substituted sample. The band structure and density of states calculations also indicate such a possibility. The compounds exhibit type - II superconductivity and the values of lower critical field (Hc1), upper critical field (Hc2), Ginzburg - Landau coherence length , penetration depth and GL parameter are estimated to be 0.0028 T, 0.68 T, 21.6 nm, 33.2 nm and 1."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04892","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":"1509.04892","created_at":"2026-05-18T01:32:51.405681+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.04892v1","created_at":"2026-05-18T01:32:51.405681+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04892","created_at":"2026-05-18T01:32:51.405681+00:00"},{"alias_kind":"pith_short_12","alias_value":"5O7LEEKQQYNH","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"5O7LEEKQQYNHG6FD","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"5O7LEEKQ","created_at":"2026-05-18T12:29:05.191682+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/5O7LEEKQQYNHG6FDRFNRKDZC6R","json":"https://pith.science/pith/5O7LEEKQQYNHG6FDRFNRKDZC6R.json","graph_json":"https://pith.science/api/pith-number/5O7LEEKQQYNHG6FDRFNRKDZC6R/graph.json","events_json":"https://pith.science/api/pith-number/5O7LEEKQQYNHG6FDRFNRKDZC6R/events.json","paper":"https://pith.science/paper/5O7LEEKQ"},"agent_actions":{"view_html":"https://pith.science/pith/5O7LEEKQQYNHG6FDRFNRKDZC6R","download_json":"https://pith.science/pith/5O7LEEKQQYNHG6FDRFNRKDZC6R.json","view_paper":"https://pith.science/paper/5O7LEEKQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.04892&json=true","fetch_graph":"https://pith.science/api/pith-number/5O7LEEKQQYNHG6FDRFNRKDZC6R/graph.json","fetch_events":"https://pith.science/api/pith-number/5O7LEEKQQYNHG6FDRFNRKDZC6R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5O7LEEKQQYNHG6FDRFNRKDZC6R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5O7LEEKQQYNHG6FDRFNRKDZC6R/action/storage_attestation","attest_author":"https://pith.science/pith/5O7LEEKQQYNHG6FDRFNRKDZC6R/action/author_attestation","sign_citation":"https://pith.science/pith/5O7LEEKQQYNHG6FDRFNRKDZC6R/action/citation_signature","submit_replication":"https://pith.science/pith/5O7LEEKQQYNHG6FDRFNRKDZC6R/action/replication_record"}},"created_at":"2026-05-18T01:32:51.405681+00:00","updated_at":"2026-05-18T01:32:51.405681+00:00"}