{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:QHS6HFTX32MOER5F7W3QWK5VRT","short_pith_number":"pith:QHS6HFTX","schema_version":"1.0","canonical_sha256":"81e5e39677de98e247a5fdb70b2bb58ced409249ddfda4d5cbf6e098ae669d26","source":{"kind":"arxiv","id":"1305.7201","version":2},"attestation_state":"computed","paper":{"title":"Origin of giant spin-lattice coupling and the suppression of ferroelectricity in EuTiO3 from first principles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Craig J. Fennie, Turan Birol","submitted_at":"2013-05-30T18:41:23Z","abstract_excerpt":"We elucidate the microscopic mechanism that causes a suppression of ferroelectricity and an enhancement of octahedral rotations in EuTiO3 from first principles. We find that the hybridization of the rare-earth Eu 4f states with the B-site Ti cation drives the system away from ferroelectricity. We also show that the magnetic order dependence of this hybridization is the dominant source of spin-phonon coupling in this material. Our results underline the importance of rare-earth f electrons on the lattice dynamics and stability of these transition metal oxides."},"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":"1305.7201","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-30T18:41:23Z","cross_cats_sorted":[],"title_canon_sha256":"da1af166d3af1d060d2535126805ee3c9eab7da99501d76317b190207ea3f541","abstract_canon_sha256":"7fcddf53ff2893755a7e76d975633c54d72c1577a7121d821bc7ecdf993c8be2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:14:08.301168Z","signature_b64":"vlRTZACEOlohZfl9KoyX+T5zqwaMvl418VUX4LwMVR4j616p9JeMbKqA82kBDW7gflDDQREGby5Zjph8dwmmDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81e5e39677de98e247a5fdb70b2bb58ced409249ddfda4d5cbf6e098ae669d26","last_reissued_at":"2026-05-18T03:14:08.300702Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:14:08.300702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Origin of giant spin-lattice coupling and the suppression of ferroelectricity in EuTiO3 from first principles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Craig J. Fennie, Turan Birol","submitted_at":"2013-05-30T18:41:23Z","abstract_excerpt":"We elucidate the microscopic mechanism that causes a suppression of ferroelectricity and an enhancement of octahedral rotations in EuTiO3 from first principles. We find that the hybridization of the rare-earth Eu 4f states with the B-site Ti cation drives the system away from ferroelectricity. We also show that the magnetic order dependence of this hybridization is the dominant source of spin-phonon coupling in this material. Our results underline the importance of rare-earth f electrons on the lattice dynamics and stability of these transition metal oxides."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.7201","kind":"arxiv","version":2},"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":"1305.7201","created_at":"2026-05-18T03:14:08.300777+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.7201v2","created_at":"2026-05-18T03:14:08.300777+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.7201","created_at":"2026-05-18T03:14:08.300777+00:00"},{"alias_kind":"pith_short_12","alias_value":"QHS6HFTX32MO","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_16","alias_value":"QHS6HFTX32MOER5F","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_8","alias_value":"QHS6HFTX","created_at":"2026-05-18T12:27:57.521954+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/QHS6HFTX32MOER5F7W3QWK5VRT","json":"https://pith.science/pith/QHS6HFTX32MOER5F7W3QWK5VRT.json","graph_json":"https://pith.science/api/pith-number/QHS6HFTX32MOER5F7W3QWK5VRT/graph.json","events_json":"https://pith.science/api/pith-number/QHS6HFTX32MOER5F7W3QWK5VRT/events.json","paper":"https://pith.science/paper/QHS6HFTX"},"agent_actions":{"view_html":"https://pith.science/pith/QHS6HFTX32MOER5F7W3QWK5VRT","download_json":"https://pith.science/pith/QHS6HFTX32MOER5F7W3QWK5VRT.json","view_paper":"https://pith.science/paper/QHS6HFTX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.7201&json=true","fetch_graph":"https://pith.science/api/pith-number/QHS6HFTX32MOER5F7W3QWK5VRT/graph.json","fetch_events":"https://pith.science/api/pith-number/QHS6HFTX32MOER5F7W3QWK5VRT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QHS6HFTX32MOER5F7W3QWK5VRT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QHS6HFTX32MOER5F7W3QWK5VRT/action/storage_attestation","attest_author":"https://pith.science/pith/QHS6HFTX32MOER5F7W3QWK5VRT/action/author_attestation","sign_citation":"https://pith.science/pith/QHS6HFTX32MOER5F7W3QWK5VRT/action/citation_signature","submit_replication":"https://pith.science/pith/QHS6HFTX32MOER5F7W3QWK5VRT/action/replication_record"}},"created_at":"2026-05-18T03:14:08.300777+00:00","updated_at":"2026-05-18T03:14:08.300777+00:00"}