{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:FBBHCGXVW4S6XFLALJU4JQTX34","short_pith_number":"pith:FBBHCGXV","schema_version":"1.0","canonical_sha256":"2842711af5b725eb95605a69c4c277df2c4999711455e0362c10afbbcb966dae","source":{"kind":"arxiv","id":"1510.02294","version":1},"attestation_state":"computed","paper":{"title":"Phonons and Stability of Infinite-Layer Iron Oxides SrFeO2 and CaFeO2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Cedric Tassel, Hiroshi Kageyama, M. K. Gupta, R. Mittal, S. L. Chaplot","submitted_at":"2015-10-08T12:24:40Z","abstract_excerpt":"We present detailed ab-initio lattice dynamical analysis of the Fe-O infinite-layer compounds CaFeO2 and SrFeO2 in various magnetic configurations. These indicate strong spin-phonon coupling in SrFeO2 in contrast to that in case of CaFeO2. Powder neutron inelastic scattering experiments on SrFeO2 have also been performed at temperatures from 5 K to 353 K in the antiferromagnetic phase and analyzed using the ab-initio calculations. These suggest distortion of the ideal infinite planer structure above 300 K. From our ab-initio calculations in SrFeO2 as a function of volume, we suggest that the d"},"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":"1510.02294","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-10-08T12:24:40Z","cross_cats_sorted":[],"title_canon_sha256":"f61d69933f5fe45b5b3355aca934be4bb8c689273305cb55ad896e88b06b81dc","abstract_canon_sha256":"a92a1916f5b32b89fe9e2e66f46b740b796dcdff2f5b9c283a90031ebbe810c1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:50.426937Z","signature_b64":"s2zvNNjKZrzCqS6EP7nlEryw7BRbPJEWoln0AmDZiCEw7Y+zRxaNitTJ735I9lqHWmXKcLuXZTJXyUexpFkTBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2842711af5b725eb95605a69c4c277df2c4999711455e0362c10afbbcb966dae","last_reissued_at":"2026-05-18T01:04:50.426516Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:50.426516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phonons and Stability of Infinite-Layer Iron Oxides SrFeO2 and CaFeO2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Cedric Tassel, Hiroshi Kageyama, M. K. Gupta, R. Mittal, S. L. Chaplot","submitted_at":"2015-10-08T12:24:40Z","abstract_excerpt":"We present detailed ab-initio lattice dynamical analysis of the Fe-O infinite-layer compounds CaFeO2 and SrFeO2 in various magnetic configurations. These indicate strong spin-phonon coupling in SrFeO2 in contrast to that in case of CaFeO2. Powder neutron inelastic scattering experiments on SrFeO2 have also been performed at temperatures from 5 K to 353 K in the antiferromagnetic phase and analyzed using the ab-initio calculations. These suggest distortion of the ideal infinite planer structure above 300 K. From our ab-initio calculations in SrFeO2 as a function of volume, we suggest that the d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02294","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":"1510.02294","created_at":"2026-05-18T01:04:50.426576+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.02294v1","created_at":"2026-05-18T01:04:50.426576+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02294","created_at":"2026-05-18T01:04:50.426576+00:00"},{"alias_kind":"pith_short_12","alias_value":"FBBHCGXVW4S6","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_16","alias_value":"FBBHCGXVW4S6XFLA","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_8","alias_value":"FBBHCGXV","created_at":"2026-05-18T12:29:19.899920+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/FBBHCGXVW4S6XFLALJU4JQTX34","json":"https://pith.science/pith/FBBHCGXVW4S6XFLALJU4JQTX34.json","graph_json":"https://pith.science/api/pith-number/FBBHCGXVW4S6XFLALJU4JQTX34/graph.json","events_json":"https://pith.science/api/pith-number/FBBHCGXVW4S6XFLALJU4JQTX34/events.json","paper":"https://pith.science/paper/FBBHCGXV"},"agent_actions":{"view_html":"https://pith.science/pith/FBBHCGXVW4S6XFLALJU4JQTX34","download_json":"https://pith.science/pith/FBBHCGXVW4S6XFLALJU4JQTX34.json","view_paper":"https://pith.science/paper/FBBHCGXV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.02294&json=true","fetch_graph":"https://pith.science/api/pith-number/FBBHCGXVW4S6XFLALJU4JQTX34/graph.json","fetch_events":"https://pith.science/api/pith-number/FBBHCGXVW4S6XFLALJU4JQTX34/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FBBHCGXVW4S6XFLALJU4JQTX34/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FBBHCGXVW4S6XFLALJU4JQTX34/action/storage_attestation","attest_author":"https://pith.science/pith/FBBHCGXVW4S6XFLALJU4JQTX34/action/author_attestation","sign_citation":"https://pith.science/pith/FBBHCGXVW4S6XFLALJU4JQTX34/action/citation_signature","submit_replication":"https://pith.science/pith/FBBHCGXVW4S6XFLALJU4JQTX34/action/replication_record"}},"created_at":"2026-05-18T01:04:50.426576+00:00","updated_at":"2026-05-18T01:04:50.426576+00:00"}