{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:2LC43IP7UGL74NITVPVVQ56YTL","short_pith_number":"pith:2LC43IP7","schema_version":"1.0","canonical_sha256":"d2c5cda1ffa197fe3513abeb5877d89ad5562dcf0c334360d9c9b45a5f883cb0","source":{"kind":"arxiv","id":"0910.0741","version":1},"attestation_state":"computed","paper":{"title":"Dynamical response and confinement of the electrons at the LaAlO3/SrTiO3 interface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","cond-mat.supr-con"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Barthelemy, A. Dubroka, C. Bernhard, C.W. Schneider, G. Herranz, J. Mannhart, K.W. Kim, L. Schulz, M. Bibes, M. Roessle, O. Copie, S. Thiel, V.K. Malik","submitted_at":"2009-10-05T12:00:34Z","abstract_excerpt":"With infrared ellipsometry and transport measurements we investigated the electrons at the interface between LaAlO3 and SrTiO3. We obtained a sheet carrier density of Ns~5-9x 10E13 cm^-2, an effective mass of m*~3m_e, and a strongly frequency dependent mobility. The latter are similar as in bulk SrTi1-xNbxO3 and therefore suggestive of polaronic correlations of the confined carriers. We also determined the vertical density profile which has a strongly asymmetric shape with a rapid initial decay over the first 2 nm and a pronounced tail that extends to about 11 nm."},"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":"0910.0741","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-10-05T12:00:34Z","cross_cats_sorted":["cond-mat.str-el","cond-mat.supr-con"],"title_canon_sha256":"bf8d54c2982894ccdff51c9ad19127639a825b298379b86fb7221c0ad27a8477","abstract_canon_sha256":"cd456ca24d2d3e0914dc8dbbfb8300cd0e81e69004cd645146713bdedf50aee9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:01:00.183375Z","signature_b64":"4J+6swzNO3cm6pZyHlISxiUFxoFwakgs8vPtEzBGWjrifsniXe+am/mjS3gV0bS/ByE6Zrp0Cz/idXYbTrc9BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2c5cda1ffa197fe3513abeb5877d89ad5562dcf0c334360d9c9b45a5f883cb0","last_reissued_at":"2026-05-18T04:01:00.182626Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:01:00.182626Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamical response and confinement of the electrons at the LaAlO3/SrTiO3 interface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el","cond-mat.supr-con"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Barthelemy, A. Dubroka, C. Bernhard, C.W. Schneider, G. Herranz, J. Mannhart, K.W. Kim, L. Schulz, M. Bibes, M. Roessle, O. Copie, S. Thiel, V.K. Malik","submitted_at":"2009-10-05T12:00:34Z","abstract_excerpt":"With infrared ellipsometry and transport measurements we investigated the electrons at the interface between LaAlO3 and SrTiO3. We obtained a sheet carrier density of Ns~5-9x 10E13 cm^-2, an effective mass of m*~3m_e, and a strongly frequency dependent mobility. The latter are similar as in bulk SrTi1-xNbxO3 and therefore suggestive of polaronic correlations of the confined carriers. We also determined the vertical density profile which has a strongly asymmetric shape with a rapid initial decay over the first 2 nm and a pronounced tail that extends to about 11 nm."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0741","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":"0910.0741","created_at":"2026-05-18T04:01:00.182752+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.0741v1","created_at":"2026-05-18T04:01:00.182752+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0741","created_at":"2026-05-18T04:01:00.182752+00:00"},{"alias_kind":"pith_short_12","alias_value":"2LC43IP7UGL7","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"2LC43IP7UGL74NIT","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"2LC43IP7","created_at":"2026-05-18T12:25:58.018023+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/2LC43IP7UGL74NITVPVVQ56YTL","json":"https://pith.science/pith/2LC43IP7UGL74NITVPVVQ56YTL.json","graph_json":"https://pith.science/api/pith-number/2LC43IP7UGL74NITVPVVQ56YTL/graph.json","events_json":"https://pith.science/api/pith-number/2LC43IP7UGL74NITVPVVQ56YTL/events.json","paper":"https://pith.science/paper/2LC43IP7"},"agent_actions":{"view_html":"https://pith.science/pith/2LC43IP7UGL74NITVPVVQ56YTL","download_json":"https://pith.science/pith/2LC43IP7UGL74NITVPVVQ56YTL.json","view_paper":"https://pith.science/paper/2LC43IP7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.0741&json=true","fetch_graph":"https://pith.science/api/pith-number/2LC43IP7UGL74NITVPVVQ56YTL/graph.json","fetch_events":"https://pith.science/api/pith-number/2LC43IP7UGL74NITVPVVQ56YTL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2LC43IP7UGL74NITVPVVQ56YTL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2LC43IP7UGL74NITVPVVQ56YTL/action/storage_attestation","attest_author":"https://pith.science/pith/2LC43IP7UGL74NITVPVVQ56YTL/action/author_attestation","sign_citation":"https://pith.science/pith/2LC43IP7UGL74NITVPVVQ56YTL/action/citation_signature","submit_replication":"https://pith.science/pith/2LC43IP7UGL74NITVPVVQ56YTL/action/replication_record"}},"created_at":"2026-05-18T04:01:00.182752+00:00","updated_at":"2026-05-18T04:01:00.182752+00:00"}