{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4SCFC24LYJUTUDD7Z7UKPK6OGW","short_pith_number":"pith:4SCFC24L","schema_version":"1.0","canonical_sha256":"e484516b8bc2693a0c7fcfe8a7abce358abe05ee9e2e51b89137baeaab1fcbac","source":{"kind":"arxiv","id":"1810.08069","version":2},"attestation_state":"computed","paper":{"title":"Gate-tunable superconductivity at SrTiO3 surface realized by Al layer evaporation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.supr-con","authors_text":"Andr\\'es F. Santander-Syro, Anil Murani, Claire Marrache-Kikuchi, Emilie Tisserond, Florence Linez, Franck Fortuna, Miguel Monteverde, Philippe Lecoeur, Shamashis Sengupta, Thomas Maroutian, Tobias R\\\"odel","submitted_at":"2018-10-18T14:16:59Z","abstract_excerpt":"Electronic properties of low dimensional superconductors are determined by many-body-effects. This physics has been studied traditionally with superconducting thin films, and in recent times with two-dimensional electron gases (2DEGs) at oxide interfaces. In this work, we show that a superconducting 2DEG can be generated by simply evaporating a thin layer of metallic Al under ultra-high vacuum on a SrTiO3 crystal, whereby Al oxidizes into amorphous insulating alumina, doping the SrTiO3 surface with oxygen vacancies. The superconducting critical temperature of the resulting 2DEG is found to be "},"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":"1810.08069","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-10-18T14:16:59Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"71655034ed8ee52948eb11c9ab5ff8a35b71a5e01c00065d6ccc07b2c94194c8","abstract_canon_sha256":"c96bcbd210f7b0d70e36247d8f2f82446dd613625574f9c29fb69cb38f2c8268"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:50.490025Z","signature_b64":"7EhNLLUiutvybXQQJeobjLtCCsS3uupTfXq/0EgNm9pAZEfOIiaYADSLaDzaTisiM6wSLTYnFcAA/5jejMNsAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e484516b8bc2693a0c7fcfe8a7abce358abe05ee9e2e51b89137baeaab1fcbac","last_reissued_at":"2026-05-17T23:53:50.489150Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:50.489150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gate-tunable superconductivity at SrTiO3 surface realized by Al layer evaporation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.supr-con","authors_text":"Andr\\'es F. Santander-Syro, Anil Murani, Claire Marrache-Kikuchi, Emilie Tisserond, Florence Linez, Franck Fortuna, Miguel Monteverde, Philippe Lecoeur, Shamashis Sengupta, Thomas Maroutian, Tobias R\\\"odel","submitted_at":"2018-10-18T14:16:59Z","abstract_excerpt":"Electronic properties of low dimensional superconductors are determined by many-body-effects. This physics has been studied traditionally with superconducting thin films, and in recent times with two-dimensional electron gases (2DEGs) at oxide interfaces. In this work, we show that a superconducting 2DEG can be generated by simply evaporating a thin layer of metallic Al under ultra-high vacuum on a SrTiO3 crystal, whereby Al oxidizes into amorphous insulating alumina, doping the SrTiO3 surface with oxygen vacancies. The superconducting critical temperature of the resulting 2DEG is found to be "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.08069","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":"1810.08069","created_at":"2026-05-17T23:53:50.489303+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.08069v2","created_at":"2026-05-17T23:53:50.489303+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.08069","created_at":"2026-05-17T23:53:50.489303+00:00"},{"alias_kind":"pith_short_12","alias_value":"4SCFC24LYJUT","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4SCFC24LYJUTUDD7","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4SCFC24L","created_at":"2026-05-18T12:32:05.422762+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/4SCFC24LYJUTUDD7Z7UKPK6OGW","json":"https://pith.science/pith/4SCFC24LYJUTUDD7Z7UKPK6OGW.json","graph_json":"https://pith.science/api/pith-number/4SCFC24LYJUTUDD7Z7UKPK6OGW/graph.json","events_json":"https://pith.science/api/pith-number/4SCFC24LYJUTUDD7Z7UKPK6OGW/events.json","paper":"https://pith.science/paper/4SCFC24L"},"agent_actions":{"view_html":"https://pith.science/pith/4SCFC24LYJUTUDD7Z7UKPK6OGW","download_json":"https://pith.science/pith/4SCFC24LYJUTUDD7Z7UKPK6OGW.json","view_paper":"https://pith.science/paper/4SCFC24L","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.08069&json=true","fetch_graph":"https://pith.science/api/pith-number/4SCFC24LYJUTUDD7Z7UKPK6OGW/graph.json","fetch_events":"https://pith.science/api/pith-number/4SCFC24LYJUTUDD7Z7UKPK6OGW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4SCFC24LYJUTUDD7Z7UKPK6OGW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4SCFC24LYJUTUDD7Z7UKPK6OGW/action/storage_attestation","attest_author":"https://pith.science/pith/4SCFC24LYJUTUDD7Z7UKPK6OGW/action/author_attestation","sign_citation":"https://pith.science/pith/4SCFC24LYJUTUDD7Z7UKPK6OGW/action/citation_signature","submit_replication":"https://pith.science/pith/4SCFC24LYJUTUDD7Z7UKPK6OGW/action/replication_record"}},"created_at":"2026-05-17T23:53:50.489303+00:00","updated_at":"2026-05-17T23:53:50.489303+00:00"}