{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:5ZMKYRCLHVQWUL333LMVRJYL3L","short_pith_number":"pith:5ZMKYRCL","schema_version":"1.0","canonical_sha256":"ee58ac444b3d616a2f7bdad958a70bdae98d795f87971fafd1611f963b27f2b7","source":{"kind":"arxiv","id":"1405.1527","version":1},"attestation_state":"computed","paper":{"title":"First-order structural transition in the multiferroic perovskite-like formate [(CH3)2NH2][Mn(HCOO)3]","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. A. Haghighirad, A. L. Llamas-Saiz, B. Pato Doldan, F. Ritter, F. Schnelle, L. C. Gomez-Aguirre, M. A. Senaris-Rodriguez, M. Lang, M. Sanchez-Andujar, R. Artiaga, R. S. Manna, S. Yanez-Vilar","submitted_at":"2014-05-07T08:00:56Z","abstract_excerpt":"In this work we explore the overall structural behaviour of the [(CH3)2NH2][Mn(HCOO)3] multiferroic compound across the temperature range where its ferroelectric transition takes place by means of calorimetry, thermal expansion measurements and variable temperature powder and single crystal X-ray diffraction. The results clearly proof the presence of structural phase transition at Tt ~187 K (temperature at which the dielectric transition occurs) that involves a symmetry change from R-3c to Cc, twinning of the crystals, a discontinuous variation of the unit cell parameters and unit cell volume,"},"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":"1405.1527","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-05-07T08:00:56Z","cross_cats_sorted":[],"title_canon_sha256":"0b7a9fe664081bc486b367ab1bc6dbab5e9aee615c97ec25adc8652f5cc6e9e9","abstract_canon_sha256":"1baadcb332a7915775778cb390dda80ef38d7e01179941b4bb42ff9cce5261df"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:24.588814Z","signature_b64":"IV+nVbi8kJ/jzXTXZ9qFAb2xMGNyYIb+lVY7hRE8MLvWDxPQb1wq/ggr0eWNb6TJb5DqbsB86H5faSqCvg8qAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee58ac444b3d616a2f7bdad958a70bdae98d795f87971fafd1611f963b27f2b7","last_reissued_at":"2026-05-18T02:52:24.588042Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:24.588042Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First-order structural transition in the multiferroic perovskite-like formate [(CH3)2NH2][Mn(HCOO)3]","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. A. Haghighirad, A. L. Llamas-Saiz, B. Pato Doldan, F. Ritter, F. Schnelle, L. C. Gomez-Aguirre, M. A. Senaris-Rodriguez, M. Lang, M. Sanchez-Andujar, R. Artiaga, R. S. Manna, S. Yanez-Vilar","submitted_at":"2014-05-07T08:00:56Z","abstract_excerpt":"In this work we explore the overall structural behaviour of the [(CH3)2NH2][Mn(HCOO)3] multiferroic compound across the temperature range where its ferroelectric transition takes place by means of calorimetry, thermal expansion measurements and variable temperature powder and single crystal X-ray diffraction. The results clearly proof the presence of structural phase transition at Tt ~187 K (temperature at which the dielectric transition occurs) that involves a symmetry change from R-3c to Cc, twinning of the crystals, a discontinuous variation of the unit cell parameters and unit cell volume,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1527","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":"1405.1527","created_at":"2026-05-18T02:52:24.588166+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.1527v1","created_at":"2026-05-18T02:52:24.588166+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1527","created_at":"2026-05-18T02:52:24.588166+00:00"},{"alias_kind":"pith_short_12","alias_value":"5ZMKYRCLHVQW","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_16","alias_value":"5ZMKYRCLHVQWUL33","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_8","alias_value":"5ZMKYRCL","created_at":"2026-05-18T12:28:16.859392+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/5ZMKYRCLHVQWUL333LMVRJYL3L","json":"https://pith.science/pith/5ZMKYRCLHVQWUL333LMVRJYL3L.json","graph_json":"https://pith.science/api/pith-number/5ZMKYRCLHVQWUL333LMVRJYL3L/graph.json","events_json":"https://pith.science/api/pith-number/5ZMKYRCLHVQWUL333LMVRJYL3L/events.json","paper":"https://pith.science/paper/5ZMKYRCL"},"agent_actions":{"view_html":"https://pith.science/pith/5ZMKYRCLHVQWUL333LMVRJYL3L","download_json":"https://pith.science/pith/5ZMKYRCLHVQWUL333LMVRJYL3L.json","view_paper":"https://pith.science/paper/5ZMKYRCL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.1527&json=true","fetch_graph":"https://pith.science/api/pith-number/5ZMKYRCLHVQWUL333LMVRJYL3L/graph.json","fetch_events":"https://pith.science/api/pith-number/5ZMKYRCLHVQWUL333LMVRJYL3L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5ZMKYRCLHVQWUL333LMVRJYL3L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5ZMKYRCLHVQWUL333LMVRJYL3L/action/storage_attestation","attest_author":"https://pith.science/pith/5ZMKYRCLHVQWUL333LMVRJYL3L/action/author_attestation","sign_citation":"https://pith.science/pith/5ZMKYRCLHVQWUL333LMVRJYL3L/action/citation_signature","submit_replication":"https://pith.science/pith/5ZMKYRCLHVQWUL333LMVRJYL3L/action/replication_record"}},"created_at":"2026-05-18T02:52:24.588166+00:00","updated_at":"2026-05-18T02:52:24.588166+00:00"}