{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:JU4TPN4XEIDBJCDFBS4RDIBRMR","short_pith_number":"pith:JU4TPN4X","schema_version":"1.0","canonical_sha256":"4d3937b79722061488650cb911a03164635611228dadce360ac1dad9a1b3f3d9","source":{"kind":"arxiv","id":"cond-mat/0411593","version":1},"attestation_state":"computed","paper":{"title":"First-principles study of symmetry lowering in relaxed BaTiO3/SrTiO3 superlattices","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Jeffrey B. Neaton, Karen Johnston, Karin M. Rabe, Xiangyang Huang","submitted_at":"2004-11-24T00:19:40Z","abstract_excerpt":"The crystal structure and local spontaneous polarization of (BaTiO3)m/(SrTiO3)n superlattices is calculated using a first-principles density functional theory method. The in-plane lattice constant is 1% larger than the SrTiO3 substrate to imitate the relaxed superlattice structure and the symmetry is lowered to monoclinic space group Cm which allows polarization to develop along the [110] and [001] directions. The polarization component in the [110] direction is found to develop only in the SrTiO3 layers and falls to zero in the BaTiO3 layers, whereas the polarization in the [001] direction is"},"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/0411593","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-11-24T00:19:40Z","cross_cats_sorted":[],"title_canon_sha256":"0eed7739d2f3f3dd8dbca026f0fbf1c568ee0529d45f48d3f531075d7bb3b44f","abstract_canon_sha256":"df3a025fad78c77494b94ff37a3f0daaacdfde8ac086dc14c300ee5e00e208de"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:24:32.209782Z","signature_b64":"e+QxZMirpQ8xO17+nwyYQNlP0vYT6iAaKc6BPYrZtwa/KlT5ioaybm9enrZ9gslNojCvYYjxmRdZ4qPWJ6reBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d3937b79722061488650cb911a03164635611228dadce360ac1dad9a1b3f3d9","last_reissued_at":"2026-05-18T03:24:32.209135Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:24:32.209135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First-principles study of symmetry lowering in relaxed BaTiO3/SrTiO3 superlattices","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Jeffrey B. Neaton, Karen Johnston, Karin M. Rabe, Xiangyang Huang","submitted_at":"2004-11-24T00:19:40Z","abstract_excerpt":"The crystal structure and local spontaneous polarization of (BaTiO3)m/(SrTiO3)n superlattices is calculated using a first-principles density functional theory method. The in-plane lattice constant is 1% larger than the SrTiO3 substrate to imitate the relaxed superlattice structure and the symmetry is lowered to monoclinic space group Cm which allows polarization to develop along the [110] and [001] directions. The polarization component in the [110] direction is found to develop only in the SrTiO3 layers and falls to zero in the BaTiO3 layers, whereas the polarization in the [001] direction is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0411593","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":"cond-mat/0411593","created_at":"2026-05-18T03:24:32.209222+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0411593v1","created_at":"2026-05-18T03:24:32.209222+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0411593","created_at":"2026-05-18T03:24:32.209222+00:00"},{"alias_kind":"pith_short_12","alias_value":"JU4TPN4XEIDB","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_16","alias_value":"JU4TPN4XEIDBJCDF","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_8","alias_value":"JU4TPN4X","created_at":"2026-05-18T12:25:52.687210+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/JU4TPN4XEIDBJCDFBS4RDIBRMR","json":"https://pith.science/pith/JU4TPN4XEIDBJCDFBS4RDIBRMR.json","graph_json":"https://pith.science/api/pith-number/JU4TPN4XEIDBJCDFBS4RDIBRMR/graph.json","events_json":"https://pith.science/api/pith-number/JU4TPN4XEIDBJCDFBS4RDIBRMR/events.json","paper":"https://pith.science/paper/JU4TPN4X"},"agent_actions":{"view_html":"https://pith.science/pith/JU4TPN4XEIDBJCDFBS4RDIBRMR","download_json":"https://pith.science/pith/JU4TPN4XEIDBJCDFBS4RDIBRMR.json","view_paper":"https://pith.science/paper/JU4TPN4X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0411593&json=true","fetch_graph":"https://pith.science/api/pith-number/JU4TPN4XEIDBJCDFBS4RDIBRMR/graph.json","fetch_events":"https://pith.science/api/pith-number/JU4TPN4XEIDBJCDFBS4RDIBRMR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JU4TPN4XEIDBJCDFBS4RDIBRMR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JU4TPN4XEIDBJCDFBS4RDIBRMR/action/storage_attestation","attest_author":"https://pith.science/pith/JU4TPN4XEIDBJCDFBS4RDIBRMR/action/author_attestation","sign_citation":"https://pith.science/pith/JU4TPN4XEIDBJCDFBS4RDIBRMR/action/citation_signature","submit_replication":"https://pith.science/pith/JU4TPN4XEIDBJCDFBS4RDIBRMR/action/replication_record"}},"created_at":"2026-05-18T03:24:32.209222+00:00","updated_at":"2026-05-18T03:24:32.209222+00:00"}