{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:P7RRTEIS2T3HPHA42MZ6BLUEF5","short_pith_number":"pith:P7RRTEIS","schema_version":"1.0","canonical_sha256":"7fe3199112d4f6779c1cd333e0ae842f5a4c7c413e0096d255be4c3c5ad674b9","source":{"kind":"arxiv","id":"cond-mat/0510132","version":1},"attestation_state":"computed","paper":{"title":"Terahertz radiation by ultrafast spontaneous polarization modulation in multiferroic BiFeO$_3$ thin films","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Kouhei Takahashi, Masayoshi Tonouchi, Noriaki Kida","submitted_at":"2005-10-06T07:40:48Z","abstract_excerpt":"Terahertz (THz) radiation has been observed from multiferroic BiFeO$_3$ thin films via ultrafast modulation of spontaneous polarization upon carrier excitation with illumination of femtosecond laser pulses. The radiated THz pulses from BiFeO$_3$ thin films were clarified to directly reflect the spontaneous polarization state, giving rise to a memory effect in a unique style and enabling THz radiation even at zero-bias electric field. On the basis of our findings, we demonstrate potential approaches to ferroelectric nonvolatile random access memory with nondestructive readability and ferroelect"},"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/0510132","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2005-10-06T07:40:48Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"63a169b362939eb16631735de9dc3bf130184cd3573ef57d814f00c78d5a1191","abstract_canon_sha256":"e5ef12614a9d51df0deb093236c02107ed19cc41c9877ab83afe43026027bfc4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:50.147977Z","signature_b64":"+52+On0lzslIEaoKJZWFiihx2rjHFFOtI3JvSwVCyn6F6X9e1XGjVbofXlRGe74nnUyfSD1fWh/WiF/Vzf/iCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7fe3199112d4f6779c1cd333e0ae842f5a4c7c413e0096d255be4c3c5ad674b9","last_reissued_at":"2026-05-18T01:06:50.147361Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:50.147361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Terahertz radiation by ultrafast spontaneous polarization modulation in multiferroic BiFeO$_3$ thin films","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Kouhei Takahashi, Masayoshi Tonouchi, Noriaki Kida","submitted_at":"2005-10-06T07:40:48Z","abstract_excerpt":"Terahertz (THz) radiation has been observed from multiferroic BiFeO$_3$ thin films via ultrafast modulation of spontaneous polarization upon carrier excitation with illumination of femtosecond laser pulses. The radiated THz pulses from BiFeO$_3$ thin films were clarified to directly reflect the spontaneous polarization state, giving rise to a memory effect in a unique style and enabling THz radiation even at zero-bias electric field. On the basis of our findings, we demonstrate potential approaches to ferroelectric nonvolatile random access memory with nondestructive readability and ferroelect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0510132","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/0510132","created_at":"2026-05-18T01:06:50.147437+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0510132v1","created_at":"2026-05-18T01:06:50.147437+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0510132","created_at":"2026-05-18T01:06:50.147437+00:00"},{"alias_kind":"pith_short_12","alias_value":"P7RRTEIS2T3H","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_16","alias_value":"P7RRTEIS2T3HPHA4","created_at":"2026-05-18T12:25:53.335082+00:00"},{"alias_kind":"pith_short_8","alias_value":"P7RRTEIS","created_at":"2026-05-18T12:25:53.335082+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/P7RRTEIS2T3HPHA42MZ6BLUEF5","json":"https://pith.science/pith/P7RRTEIS2T3HPHA42MZ6BLUEF5.json","graph_json":"https://pith.science/api/pith-number/P7RRTEIS2T3HPHA42MZ6BLUEF5/graph.json","events_json":"https://pith.science/api/pith-number/P7RRTEIS2T3HPHA42MZ6BLUEF5/events.json","paper":"https://pith.science/paper/P7RRTEIS"},"agent_actions":{"view_html":"https://pith.science/pith/P7RRTEIS2T3HPHA42MZ6BLUEF5","download_json":"https://pith.science/pith/P7RRTEIS2T3HPHA42MZ6BLUEF5.json","view_paper":"https://pith.science/paper/P7RRTEIS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0510132&json=true","fetch_graph":"https://pith.science/api/pith-number/P7RRTEIS2T3HPHA42MZ6BLUEF5/graph.json","fetch_events":"https://pith.science/api/pith-number/P7RRTEIS2T3HPHA42MZ6BLUEF5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/P7RRTEIS2T3HPHA42MZ6BLUEF5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/P7RRTEIS2T3HPHA42MZ6BLUEF5/action/storage_attestation","attest_author":"https://pith.science/pith/P7RRTEIS2T3HPHA42MZ6BLUEF5/action/author_attestation","sign_citation":"https://pith.science/pith/P7RRTEIS2T3HPHA42MZ6BLUEF5/action/citation_signature","submit_replication":"https://pith.science/pith/P7RRTEIS2T3HPHA42MZ6BLUEF5/action/replication_record"}},"created_at":"2026-05-18T01:06:50.147437+00:00","updated_at":"2026-05-18T01:06:50.147437+00:00"}