{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:OY7BCJL5T5YAY2FDB2MPLWTNG6","short_pith_number":"pith:OY7BCJL5","schema_version":"1.0","canonical_sha256":"763e11257d9f700c68a30e98f5da6d379097b18839c03e2501dbf6f362c6aa52","source":{"kind":"arxiv","id":"1107.2467","version":1},"attestation_state":"computed","paper":{"title":"Magnetically-Driven Ferroelectric Atomic Displacements in perovskite like YMnO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"D. Okuyama, H. Sakai, K. Sugimoto, K. Yamauchi, M. Takata, R. Shimano, S. Ishiwata, S. Picozzi, T. Arima, Y. Taguchi, Y. Takahashi, Y. Tokura","submitted_at":"2011-07-13T05:42:49Z","abstract_excerpt":"Magnetically-driven ferroelectric atomic displacements of the order of 10$^{-3} Angstrom have been observed in orthorhombic (perovskite like) YMnO$_3$ by a single-crystal synchrotron x-ray diffraction. The refined polar structure shows the characteristic bond alternation driven by the exchange striction in staggered Mn-O-Mn arrays with $\\uparrow\\uparrow\\downarrow\\downarrow$ type ordering, giving rise to a spontaneous polarization along a-axis. First-principles calculations based on the Berry phase method as well as on the experimentally refined crystal structure can reproduce the observed pola"},"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":"1107.2467","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-07-13T05:42:49Z","cross_cats_sorted":[],"title_canon_sha256":"229ecb387e33483998108f0d182efd9cf4b9f357ae9feaee2c2774dbb66aea29","abstract_canon_sha256":"2fc9b7ae26c118e0dea84ee900c01239a909f38d0e134e896dd1dd20b4a204e3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:38.369878Z","signature_b64":"ShIzYN+MMT0XPwGJyAM1xXGDwfhDYbG61wGVcVUQEFsP81ZqW4tUA6gseaZdaLLVajAUhjpAshmvCT9UilnLAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"763e11257d9f700c68a30e98f5da6d379097b18839c03e2501dbf6f362c6aa52","last_reissued_at":"2026-05-18T04:15:38.368892Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:38.368892Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetically-Driven Ferroelectric Atomic Displacements in perovskite like YMnO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"D. Okuyama, H. Sakai, K. Sugimoto, K. Yamauchi, M. Takata, R. Shimano, S. Ishiwata, S. Picozzi, T. Arima, Y. Taguchi, Y. Takahashi, Y. Tokura","submitted_at":"2011-07-13T05:42:49Z","abstract_excerpt":"Magnetically-driven ferroelectric atomic displacements of the order of 10$^{-3} Angstrom have been observed in orthorhombic (perovskite like) YMnO$_3$ by a single-crystal synchrotron x-ray diffraction. The refined polar structure shows the characteristic bond alternation driven by the exchange striction in staggered Mn-O-Mn arrays with $\\uparrow\\uparrow\\downarrow\\downarrow$ type ordering, giving rise to a spontaneous polarization along a-axis. First-principles calculations based on the Berry phase method as well as on the experimentally refined crystal structure can reproduce the observed pola"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.2467","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":"1107.2467","created_at":"2026-05-18T04:15:38.369074+00:00"},{"alias_kind":"arxiv_version","alias_value":"1107.2467v1","created_at":"2026-05-18T04:15:38.369074+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.2467","created_at":"2026-05-18T04:15:38.369074+00:00"},{"alias_kind":"pith_short_12","alias_value":"OY7BCJL5T5YA","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"OY7BCJL5T5YAY2FD","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"OY7BCJL5","created_at":"2026-05-18T12:26:37.096874+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/OY7BCJL5T5YAY2FDB2MPLWTNG6","json":"https://pith.science/pith/OY7BCJL5T5YAY2FDB2MPLWTNG6.json","graph_json":"https://pith.science/api/pith-number/OY7BCJL5T5YAY2FDB2MPLWTNG6/graph.json","events_json":"https://pith.science/api/pith-number/OY7BCJL5T5YAY2FDB2MPLWTNG6/events.json","paper":"https://pith.science/paper/OY7BCJL5"},"agent_actions":{"view_html":"https://pith.science/pith/OY7BCJL5T5YAY2FDB2MPLWTNG6","download_json":"https://pith.science/pith/OY7BCJL5T5YAY2FDB2MPLWTNG6.json","view_paper":"https://pith.science/paper/OY7BCJL5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1107.2467&json=true","fetch_graph":"https://pith.science/api/pith-number/OY7BCJL5T5YAY2FDB2MPLWTNG6/graph.json","fetch_events":"https://pith.science/api/pith-number/OY7BCJL5T5YAY2FDB2MPLWTNG6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OY7BCJL5T5YAY2FDB2MPLWTNG6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OY7BCJL5T5YAY2FDB2MPLWTNG6/action/storage_attestation","attest_author":"https://pith.science/pith/OY7BCJL5T5YAY2FDB2MPLWTNG6/action/author_attestation","sign_citation":"https://pith.science/pith/OY7BCJL5T5YAY2FDB2MPLWTNG6/action/citation_signature","submit_replication":"https://pith.science/pith/OY7BCJL5T5YAY2FDB2MPLWTNG6/action/replication_record"}},"created_at":"2026-05-18T04:15:38.369074+00:00","updated_at":"2026-05-18T04:15:38.369074+00:00"}