{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:VNNKQ3BHMLAV2DV6275MRJ5UOI","short_pith_number":"pith:VNNKQ3BH","schema_version":"1.0","canonical_sha256":"ab5aa86c2762c15d0ebed7fac8a7b47206173bb2d8c00da4e41375ad19a33412","source":{"kind":"arxiv","id":"1004.4652","version":1},"attestation_state":"computed","paper":{"title":"Finite-Temperature Atomic Structure of 180^o Ferroelectric Domain Walls in PbTiO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Arash Yavari, Arzhang Angoshtari","submitted_at":"2010-04-26T20:48:00Z","abstract_excerpt":"In this letter we obtain the finite-temperature structure of 180^o domain walls in PbTiO3 using a quasi-harmonic lattice dynamics approach. We obtain the temperature dependence of the atomic structure of domain walls from 0K up to room temperature. We also show that both Pb-centered and Ti-centered 180^o domain walls are thicker at room temperature; domain wall thickness at T=300K is about three times larger than that of T=0K. Our calculations show that Ti-centered domain walls have a lower free energy than Pb-centered domain walls and hence are more likely to be seen at finite temperatures."},"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":"1004.4652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-04-26T20:48:00Z","cross_cats_sorted":[],"title_canon_sha256":"5c0f698b716f4a4e03903c99ce61835dbba34dd5ac1cc5dfc57b7ec7789222c2","abstract_canon_sha256":"a0f9a28d23a683b3d87e160e1caea7b886106fc3fe8b88c1a6b0634c111a617c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:53.575744Z","signature_b64":"A0wEYscP8w4ourznlwKRfQPzE/TmEhB/8eDbdg4NANpRzEeWA7cquUTAB9z1mbXsDbPPvMYq9igZO27KpAsmCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab5aa86c2762c15d0ebed7fac8a7b47206173bb2d8c00da4e41375ad19a33412","last_reissued_at":"2026-05-18T02:07:53.575154Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:53.575154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Finite-Temperature Atomic Structure of 180^o Ferroelectric Domain Walls in PbTiO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Arash Yavari, Arzhang Angoshtari","submitted_at":"2010-04-26T20:48:00Z","abstract_excerpt":"In this letter we obtain the finite-temperature structure of 180^o domain walls in PbTiO3 using a quasi-harmonic lattice dynamics approach. We obtain the temperature dependence of the atomic structure of domain walls from 0K up to room temperature. We also show that both Pb-centered and Ti-centered 180^o domain walls are thicker at room temperature; domain wall thickness at T=300K is about three times larger than that of T=0K. Our calculations show that Ti-centered domain walls have a lower free energy than Pb-centered domain walls and hence are more likely to be seen at finite temperatures."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.4652","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":"1004.4652","created_at":"2026-05-18T02:07:53.575234+00:00"},{"alias_kind":"arxiv_version","alias_value":"1004.4652v1","created_at":"2026-05-18T02:07:53.575234+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.4652","created_at":"2026-05-18T02:07:53.575234+00:00"},{"alias_kind":"pith_short_12","alias_value":"VNNKQ3BHMLAV","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"VNNKQ3BHMLAV2DV6","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"VNNKQ3BH","created_at":"2026-05-18T12:26:15.391820+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/VNNKQ3BHMLAV2DV6275MRJ5UOI","json":"https://pith.science/pith/VNNKQ3BHMLAV2DV6275MRJ5UOI.json","graph_json":"https://pith.science/api/pith-number/VNNKQ3BHMLAV2DV6275MRJ5UOI/graph.json","events_json":"https://pith.science/api/pith-number/VNNKQ3BHMLAV2DV6275MRJ5UOI/events.json","paper":"https://pith.science/paper/VNNKQ3BH"},"agent_actions":{"view_html":"https://pith.science/pith/VNNKQ3BHMLAV2DV6275MRJ5UOI","download_json":"https://pith.science/pith/VNNKQ3BHMLAV2DV6275MRJ5UOI.json","view_paper":"https://pith.science/paper/VNNKQ3BH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1004.4652&json=true","fetch_graph":"https://pith.science/api/pith-number/VNNKQ3BHMLAV2DV6275MRJ5UOI/graph.json","fetch_events":"https://pith.science/api/pith-number/VNNKQ3BHMLAV2DV6275MRJ5UOI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VNNKQ3BHMLAV2DV6275MRJ5UOI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VNNKQ3BHMLAV2DV6275MRJ5UOI/action/storage_attestation","attest_author":"https://pith.science/pith/VNNKQ3BHMLAV2DV6275MRJ5UOI/action/author_attestation","sign_citation":"https://pith.science/pith/VNNKQ3BHMLAV2DV6275MRJ5UOI/action/citation_signature","submit_replication":"https://pith.science/pith/VNNKQ3BHMLAV2DV6275MRJ5UOI/action/replication_record"}},"created_at":"2026-05-18T02:07:53.575234+00:00","updated_at":"2026-05-18T02:07:53.575234+00:00"}