{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:DC3BJNT2PKIMLSZEXI62ANIMRW","short_pith_number":"pith:DC3BJNT2","schema_version":"1.0","canonical_sha256":"18b614b67a7a90c5cb24ba3da0350c8d800754e741d8c5e05bc66ad684e4f9f3","source":{"kind":"arxiv","id":"1307.5475","version":2},"attestation_state":"computed","paper":{"title":"Emergent Spin-Filter at the interface between Ferromagnetic and Insulating Layered Oxides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. Leon, F. A. Cuellar, J. Santamaria, J. W. Freeland, M. R. Fitzsimmons, S. G. E. te Velthuis, Yaohua Liu, Z. Sefrioui","submitted_at":"2013-07-20T23:18:04Z","abstract_excerpt":"We report a strong effect of interface-induced magnetization on the transport properties of magnetic tunnel junctions consisting of ferromagnetic manganite La$_{0.7}$Ca$_{0.3}$MnO$_{3}$ and insulating cuprate PrBa$_{2}$Cu$_{3}$O$_{7}$. Contrary to the typically observed steady increase of the tunnel magnetoresistance with decreasing temperature, this system exhibits a sudden anomalous decrease at low temperatures. Interestingly, this anomalous behavior can be attributed to the competition between the positive spin polarization of the manganite contacts and the negative spin-filter effect from "},"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":"1307.5475","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-07-20T23:18:04Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"da55454283b3d90166cf92349227b0c0cc79be54b56c27e4a1fb9808303d2f8b","abstract_canon_sha256":"f94ab6fa2715716abf177decfb0c9a8e235c6cef468d78e91011f5a074f2dc7d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:05:01.294482Z","signature_b64":"nydFXWfW6SdY/fjTxu+Cf1VWyf7De/wjgGk7Co8tpwTV5rFwKS18iHkykf9m/8it3jmp5H5fRqiZM43mv18aBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"18b614b67a7a90c5cb24ba3da0350c8d800754e741d8c5e05bc66ad684e4f9f3","last_reissued_at":"2026-05-18T03:05:01.293783Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:05:01.293783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Emergent Spin-Filter at the interface between Ferromagnetic and Insulating Layered Oxides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. Leon, F. A. Cuellar, J. Santamaria, J. W. Freeland, M. R. Fitzsimmons, S. G. E. te Velthuis, Yaohua Liu, Z. Sefrioui","submitted_at":"2013-07-20T23:18:04Z","abstract_excerpt":"We report a strong effect of interface-induced magnetization on the transport properties of magnetic tunnel junctions consisting of ferromagnetic manganite La$_{0.7}$Ca$_{0.3}$MnO$_{3}$ and insulating cuprate PrBa$_{2}$Cu$_{3}$O$_{7}$. Contrary to the typically observed steady increase of the tunnel magnetoresistance with decreasing temperature, this system exhibits a sudden anomalous decrease at low temperatures. Interestingly, this anomalous behavior can be attributed to the competition between the positive spin polarization of the manganite contacts and the negative spin-filter effect from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.5475","kind":"arxiv","version":2},"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":"1307.5475","created_at":"2026-05-18T03:05:01.293895+00:00"},{"alias_kind":"arxiv_version","alias_value":"1307.5475v2","created_at":"2026-05-18T03:05:01.293895+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.5475","created_at":"2026-05-18T03:05:01.293895+00:00"},{"alias_kind":"pith_short_12","alias_value":"DC3BJNT2PKIM","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_16","alias_value":"DC3BJNT2PKIMLSZE","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_8","alias_value":"DC3BJNT2","created_at":"2026-05-18T12:27:40.988391+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/DC3BJNT2PKIMLSZEXI62ANIMRW","json":"https://pith.science/pith/DC3BJNT2PKIMLSZEXI62ANIMRW.json","graph_json":"https://pith.science/api/pith-number/DC3BJNT2PKIMLSZEXI62ANIMRW/graph.json","events_json":"https://pith.science/api/pith-number/DC3BJNT2PKIMLSZEXI62ANIMRW/events.json","paper":"https://pith.science/paper/DC3BJNT2"},"agent_actions":{"view_html":"https://pith.science/pith/DC3BJNT2PKIMLSZEXI62ANIMRW","download_json":"https://pith.science/pith/DC3BJNT2PKIMLSZEXI62ANIMRW.json","view_paper":"https://pith.science/paper/DC3BJNT2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1307.5475&json=true","fetch_graph":"https://pith.science/api/pith-number/DC3BJNT2PKIMLSZEXI62ANIMRW/graph.json","fetch_events":"https://pith.science/api/pith-number/DC3BJNT2PKIMLSZEXI62ANIMRW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DC3BJNT2PKIMLSZEXI62ANIMRW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DC3BJNT2PKIMLSZEXI62ANIMRW/action/storage_attestation","attest_author":"https://pith.science/pith/DC3BJNT2PKIMLSZEXI62ANIMRW/action/author_attestation","sign_citation":"https://pith.science/pith/DC3BJNT2PKIMLSZEXI62ANIMRW/action/citation_signature","submit_replication":"https://pith.science/pith/DC3BJNT2PKIMLSZEXI62ANIMRW/action/replication_record"}},"created_at":"2026-05-18T03:05:01.293895+00:00","updated_at":"2026-05-18T03:05:01.293895+00:00"}