{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:KLH3UECDD4HS5PG3GD7COMKGL4","short_pith_number":"pith:KLH3UECD","schema_version":"1.0","canonical_sha256":"52cfba10431f0f2ebcdb30fe2731465f2f8923157a4c7ba0b302f6710c0d27d0","source":{"kind":"arxiv","id":"1204.1244","version":1},"attestation_state":"computed","paper":{"title":"Absence of polar order in LuFe2O4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"A. Loidl, A. Ruff, F. Schrettle, P. Lunkenheimer, S. Krohns, V. Tsurkan","submitted_at":"2012-04-05T14:36:05Z","abstract_excerpt":"LuFe2O4 often is considered as a prototypical multiferroic with polar order arising from the electronic degrees of freedom only (\"electronic ferroelectricity\"). In the present work, we check the intrinsic nature of the dielectric response of this material by performing dielectric measurements of polycrystalline samples with different types of contact materials and with different grain sizes. In addition, frequency-dependent measurements of the electric-field dependent polarization are provided. The obtained results unequivocally prove that the reported colossal dielectric constants in LuFe2O4,"},"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":"1204.1244","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-04-05T14:36:05Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"6ffaa9c419c29fc5869a3d7bf94f52020309f47ad40678998c4b74e01d58f54e","abstract_canon_sha256":"7350cca983d146e4eefde1bc052cbf1e06cd325944a5fe46474c05da332127ae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:47.287795Z","signature_b64":"8JhS05bbuHYRpDYl8xY35BgHwR4vMQX/uvlE/g3sLHisbdVmPXoJyNj7yg3GoCAYdFzOitg6hfDYDxxcAG7OBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52cfba10431f0f2ebcdb30fe2731465f2f8923157a4c7ba0b302f6710c0d27d0","last_reissued_at":"2026-05-18T03:46:47.287038Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:47.287038Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Absence of polar order in LuFe2O4","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"A. Loidl, A. Ruff, F. Schrettle, P. Lunkenheimer, S. Krohns, V. Tsurkan","submitted_at":"2012-04-05T14:36:05Z","abstract_excerpt":"LuFe2O4 often is considered as a prototypical multiferroic with polar order arising from the electronic degrees of freedom only (\"electronic ferroelectricity\"). In the present work, we check the intrinsic nature of the dielectric response of this material by performing dielectric measurements of polycrystalline samples with different types of contact materials and with different grain sizes. In addition, frequency-dependent measurements of the electric-field dependent polarization are provided. The obtained results unequivocally prove that the reported colossal dielectric constants in LuFe2O4,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.1244","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":"1204.1244","created_at":"2026-05-18T03:46:47.287171+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.1244v1","created_at":"2026-05-18T03:46:47.287171+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.1244","created_at":"2026-05-18T03:46:47.287171+00:00"},{"alias_kind":"pith_short_12","alias_value":"KLH3UECDD4HS","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_16","alias_value":"KLH3UECDD4HS5PG3","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_8","alias_value":"KLH3UECD","created_at":"2026-05-18T12:27:11.947152+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/KLH3UECDD4HS5PG3GD7COMKGL4","json":"https://pith.science/pith/KLH3UECDD4HS5PG3GD7COMKGL4.json","graph_json":"https://pith.science/api/pith-number/KLH3UECDD4HS5PG3GD7COMKGL4/graph.json","events_json":"https://pith.science/api/pith-number/KLH3UECDD4HS5PG3GD7COMKGL4/events.json","paper":"https://pith.science/paper/KLH3UECD"},"agent_actions":{"view_html":"https://pith.science/pith/KLH3UECDD4HS5PG3GD7COMKGL4","download_json":"https://pith.science/pith/KLH3UECDD4HS5PG3GD7COMKGL4.json","view_paper":"https://pith.science/paper/KLH3UECD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.1244&json=true","fetch_graph":"https://pith.science/api/pith-number/KLH3UECDD4HS5PG3GD7COMKGL4/graph.json","fetch_events":"https://pith.science/api/pith-number/KLH3UECDD4HS5PG3GD7COMKGL4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KLH3UECDD4HS5PG3GD7COMKGL4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KLH3UECDD4HS5PG3GD7COMKGL4/action/storage_attestation","attest_author":"https://pith.science/pith/KLH3UECDD4HS5PG3GD7COMKGL4/action/author_attestation","sign_citation":"https://pith.science/pith/KLH3UECDD4HS5PG3GD7COMKGL4/action/citation_signature","submit_replication":"https://pith.science/pith/KLH3UECDD4HS5PG3GD7COMKGL4/action/replication_record"}},"created_at":"2026-05-18T03:46:47.287171+00:00","updated_at":"2026-05-18T03:46:47.287171+00:00"}