{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:5RFNLT6HCUML6L3F67WH3YB2WK","short_pith_number":"pith:5RFNLT6H","schema_version":"1.0","canonical_sha256":"ec4ad5cfc71518bf2f65f7ec7de03ab2ad9cf191311605dfef56f8dbe5524b1d","source":{"kind":"arxiv","id":"1001.1997","version":1},"attestation_state":"computed","paper":{"title":"Phonon Spectroscopy Near Phase Transition Temperatures in Multferroic BiFeO3 Epitaxial Thin Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"J.F. Scott, R. Palai, R.S. Katiyar","submitted_at":"2010-01-12T20:28:23Z","abstract_excerpt":"We report a Raman scattering investigation of multiferroic bismuth ferrite BiFeO3 epitaxial (c-axis oriented) thin films from -192 to 1000C. Phonon anomalies have been observed in three temperature regions: in the gamma-phase from 930C to 950C; at ~370C, Neel temperature (TN), and at ~123C, due to a phase transition of unknown type (magnetic or structural). An attempt has been made to understand the origin of the weak phonon-magnon coupling and the dynamics of the phase sequence. The disappearance of several Raman modes at ~820C (Tc) is compatible with the known structural phase transition and"},"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":"1001.1997","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-01-12T20:28:23Z","cross_cats_sorted":[],"title_canon_sha256":"cfb1bc76edaa26221258d2f13c510d99772e1139c6656cf77b2d75d63cce2e19","abstract_canon_sha256":"1d3ed7a37a6282533fd51ee03c62d8e1586c7456e8d943b23cc6ce9cc507bc43"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:55.349800Z","signature_b64":"UeGK7/fSFOfai/PflsXJd4tJhRw94Vl95ahjLLCG3Ejxqs27memIOtqChGRl8BHfIIIV50Dq74M1ZuxlXiKiDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec4ad5cfc71518bf2f65f7ec7de03ab2ad9cf191311605dfef56f8dbe5524b1d","last_reissued_at":"2026-05-18T02:09:55.349072Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:55.349072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phonon Spectroscopy Near Phase Transition Temperatures in Multferroic BiFeO3 Epitaxial Thin Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"J.F. Scott, R. Palai, R.S. Katiyar","submitted_at":"2010-01-12T20:28:23Z","abstract_excerpt":"We report a Raman scattering investigation of multiferroic bismuth ferrite BiFeO3 epitaxial (c-axis oriented) thin films from -192 to 1000C. Phonon anomalies have been observed in three temperature regions: in the gamma-phase from 930C to 950C; at ~370C, Neel temperature (TN), and at ~123C, due to a phase transition of unknown type (magnetic or structural). An attempt has been made to understand the origin of the weak phonon-magnon coupling and the dynamics of the phase sequence. The disappearance of several Raman modes at ~820C (Tc) is compatible with the known structural phase transition and"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1997","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":"1001.1997","created_at":"2026-05-18T02:09:55.349191+00:00"},{"alias_kind":"arxiv_version","alias_value":"1001.1997v1","created_at":"2026-05-18T02:09:55.349191+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1997","created_at":"2026-05-18T02:09:55.349191+00:00"},{"alias_kind":"pith_short_12","alias_value":"5RFNLT6HCUML","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_16","alias_value":"5RFNLT6HCUML6L3F","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_8","alias_value":"5RFNLT6H","created_at":"2026-05-18T12:26:04.259169+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/5RFNLT6HCUML6L3F67WH3YB2WK","json":"https://pith.science/pith/5RFNLT6HCUML6L3F67WH3YB2WK.json","graph_json":"https://pith.science/api/pith-number/5RFNLT6HCUML6L3F67WH3YB2WK/graph.json","events_json":"https://pith.science/api/pith-number/5RFNLT6HCUML6L3F67WH3YB2WK/events.json","paper":"https://pith.science/paper/5RFNLT6H"},"agent_actions":{"view_html":"https://pith.science/pith/5RFNLT6HCUML6L3F67WH3YB2WK","download_json":"https://pith.science/pith/5RFNLT6HCUML6L3F67WH3YB2WK.json","view_paper":"https://pith.science/paper/5RFNLT6H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1001.1997&json=true","fetch_graph":"https://pith.science/api/pith-number/5RFNLT6HCUML6L3F67WH3YB2WK/graph.json","fetch_events":"https://pith.science/api/pith-number/5RFNLT6HCUML6L3F67WH3YB2WK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5RFNLT6HCUML6L3F67WH3YB2WK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5RFNLT6HCUML6L3F67WH3YB2WK/action/storage_attestation","attest_author":"https://pith.science/pith/5RFNLT6HCUML6L3F67WH3YB2WK/action/author_attestation","sign_citation":"https://pith.science/pith/5RFNLT6HCUML6L3F67WH3YB2WK/action/citation_signature","submit_replication":"https://pith.science/pith/5RFNLT6HCUML6L3F67WH3YB2WK/action/replication_record"}},"created_at":"2026-05-18T02:09:55.349191+00:00","updated_at":"2026-05-18T02:09:55.349191+00:00"}