{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:J6I32DI6NQ6UADPLWQC2RDHE4E","short_pith_number":"pith:J6I32DI6","schema_version":"1.0","canonical_sha256":"4f91bd0d1e6c3d400debb405a88ce4e11cd8f3719b1a7bdfce0e4198a8893918","source":{"kind":"arxiv","id":"cond-mat/0508289","version":1},"attestation_state":"computed","paper":{"title":"Co-doped (La,Sr)TiO3-d: a high-Curie temperature diluted magnetic system with large spin-polarization","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Barthelemy, A. Fert, A. Hamzic, C. Colliex, E. Jacquet, E. Tafra, F. Wyczisk, G. Herranz, H. Jaffres, J. L. Maurice, J.-P. Contour, K. Bouzehouane, M. Basletic, M. Bibes, R. Ranchal","submitted_at":"2005-08-11T15:41:28Z","abstract_excerpt":"We report on tunneling magnetoresistance (TMR) experiments that demonstrate the existence of a significant spin polarization in Co-doped (La,Sr)TiO3-d (Co-LSTO), a ferromagnetic diluted magnetic oxide system (DMOS) with high Curie temperature. These TMR experiments have been performed on magnetic tunnel junctions associating Co-LSTO and Co electrodes. Extensive structural analysis of Co-LSTO combining high-resolution transmission electron microscopy and Auger electron spectroscopy excluded the presence of Co clusters in the Co-LSTO layer and thus, the measured ferromagnetism and high spin pola"},"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":"cond-mat/0508289","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2005-08-11T15:41:28Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"92ac888216fe3cedbc6c588ebdfb3093c64af564346eebdeab7c6ec7d2287b82","abstract_canon_sha256":"091ae410c039a42353ad0e1a162b69903918e2583929b89f75a868a00a1404ed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:54:23.249651Z","signature_b64":"aUfZk+yBv1uhWqmQ5K7dbkcsCLxuvKjTAOofk/UJ3wtviZ6juCyIJLjUo9TQVv4kNc3t8HSO/lA8AV32UsNgAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f91bd0d1e6c3d400debb405a88ce4e11cd8f3719b1a7bdfce0e4198a8893918","last_reissued_at":"2026-07-04T16:54:23.249288Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:54:23.249288Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Co-doped (La,Sr)TiO3-d: a high-Curie temperature diluted magnetic system with large spin-polarization","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Barthelemy, A. Fert, A. Hamzic, C. Colliex, E. Jacquet, E. Tafra, F. Wyczisk, G. Herranz, H. Jaffres, J. L. Maurice, J.-P. Contour, K. Bouzehouane, M. Basletic, M. Bibes, R. Ranchal","submitted_at":"2005-08-11T15:41:28Z","abstract_excerpt":"We report on tunneling magnetoresistance (TMR) experiments that demonstrate the existence of a significant spin polarization in Co-doped (La,Sr)TiO3-d (Co-LSTO), a ferromagnetic diluted magnetic oxide system (DMOS) with high Curie temperature. These TMR experiments have been performed on magnetic tunnel junctions associating Co-LSTO and Co electrodes. Extensive structural analysis of Co-LSTO combining high-resolution transmission electron microscopy and Auger electron spectroscopy excluded the presence of Co clusters in the Co-LSTO layer and thus, the measured ferromagnetism and high spin pola"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0508289","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0508289/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"cond-mat/0508289","created_at":"2026-07-04T16:54:23.249363+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0508289v1","created_at":"2026-07-04T16:54:23.249363+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0508289","created_at":"2026-07-04T16:54:23.249363+00:00"},{"alias_kind":"pith_short_12","alias_value":"J6I32DI6NQ6U","created_at":"2026-07-04T16:54:23.249363+00:00"},{"alias_kind":"pith_short_16","alias_value":"J6I32DI6NQ6UADPL","created_at":"2026-07-04T16:54:23.249363+00:00"},{"alias_kind":"pith_short_8","alias_value":"J6I32DI6","created_at":"2026-07-04T16:54:23.249363+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/J6I32DI6NQ6UADPLWQC2RDHE4E","json":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E.json","graph_json":"https://pith.science/api/pith-number/J6I32DI6NQ6UADPLWQC2RDHE4E/graph.json","events_json":"https://pith.science/api/pith-number/J6I32DI6NQ6UADPLWQC2RDHE4E/events.json","paper":"https://pith.science/paper/J6I32DI6"},"agent_actions":{"view_html":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E","download_json":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E.json","view_paper":"https://pith.science/paper/J6I32DI6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0508289&json=true","fetch_graph":"https://pith.science/api/pith-number/J6I32DI6NQ6UADPLWQC2RDHE4E/graph.json","fetch_events":"https://pith.science/api/pith-number/J6I32DI6NQ6UADPLWQC2RDHE4E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/action/storage_attestation","attest_author":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/action/author_attestation","sign_citation":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/action/citation_signature","submit_replication":"https://pith.science/pith/J6I32DI6NQ6UADPLWQC2RDHE4E/action/replication_record"}},"created_at":"2026-07-04T16:54:23.249363+00:00","updated_at":"2026-07-04T16:54:23.249363+00:00"}