{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:ITRANE27H6M76FBWJDIQJ2PONL","short_pith_number":"pith:ITRANE27","schema_version":"1.0","canonical_sha256":"44e206935f3f99ff143648d104e9ee6aeb61d67d24ace519ecbb9957de35a7a4","source":{"kind":"arxiv","id":"1402.2165","version":1},"attestation_state":"computed","paper":{"title":"Strong spin-phonon coupling in infrared and Raman spectra of SrMnO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A.A. Belik, F. Borodavka, J. Hejtmanek, J.H. Lee, K.M. Rabe, M. Kempa, O. Pacherova, P. Vanek, S. Kamba, V. Bovtun, V. Goian, V. Skoromets","submitted_at":"2014-02-10T14:40:13Z","abstract_excerpt":"Infrared reflectivity spectra of cubic SrMnO$_{3}$ ceramics reveal 18 % stiffening of the lowest-frequency phonon below the antiferromagnetic phase transition occurring at T$_{N}$ = 233 K. Such a large temperature change of the polar phonon frequency is extraordinary and we attribute it to an exceptionally strong spin-phonon coupling in this material. This is consistent with our prediction from first principles calculations. Moreover, polar phonons become Raman active below T$_{N}$, although their activation is forbidden by symmetry in $Pm\\bar{3}m$ space group. This gives evidence that the cub"},"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":"1402.2165","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-02-10T14:40:13Z","cross_cats_sorted":[],"title_canon_sha256":"36e8745933a3208576b667dde9190062f9a6f8f24859da7a04a1a14323ca9812","abstract_canon_sha256":"569af90bdaafa53ae2d5bb98bf3f1063fee5cd6e16feedafd58305683eaf22ef"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:54:39.185471Z","signature_b64":"ws+sEsWiKtq4wb1B/8WXmVDRg16QNG6LHtlwk+CeL9NP4Kda3rMfIdTMTfDWIX57FfuqD8kPCqB4j/WthWNxBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44e206935f3f99ff143648d104e9ee6aeb61d67d24ace519ecbb9957de35a7a4","last_reissued_at":"2026-05-18T02:54:39.184901Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:54:39.184901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Strong spin-phonon coupling in infrared and Raman spectra of SrMnO3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A.A. Belik, F. Borodavka, J. Hejtmanek, J.H. Lee, K.M. Rabe, M. Kempa, O. Pacherova, P. Vanek, S. Kamba, V. Bovtun, V. Goian, V. Skoromets","submitted_at":"2014-02-10T14:40:13Z","abstract_excerpt":"Infrared reflectivity spectra of cubic SrMnO$_{3}$ ceramics reveal 18 % stiffening of the lowest-frequency phonon below the antiferromagnetic phase transition occurring at T$_{N}$ = 233 K. Such a large temperature change of the polar phonon frequency is extraordinary and we attribute it to an exceptionally strong spin-phonon coupling in this material. This is consistent with our prediction from first principles calculations. Moreover, polar phonons become Raman active below T$_{N}$, although their activation is forbidden by symmetry in $Pm\\bar{3}m$ space group. This gives evidence that the cub"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.2165","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":"1402.2165","created_at":"2026-05-18T02:54:39.184962+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.2165v1","created_at":"2026-05-18T02:54:39.184962+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.2165","created_at":"2026-05-18T02:54:39.184962+00:00"},{"alias_kind":"pith_short_12","alias_value":"ITRANE27H6M7","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_16","alias_value":"ITRANE27H6M76FBW","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_8","alias_value":"ITRANE27","created_at":"2026-05-18T12:28:33.132498+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/ITRANE27H6M76FBWJDIQJ2PONL","json":"https://pith.science/pith/ITRANE27H6M76FBWJDIQJ2PONL.json","graph_json":"https://pith.science/api/pith-number/ITRANE27H6M76FBWJDIQJ2PONL/graph.json","events_json":"https://pith.science/api/pith-number/ITRANE27H6M76FBWJDIQJ2PONL/events.json","paper":"https://pith.science/paper/ITRANE27"},"agent_actions":{"view_html":"https://pith.science/pith/ITRANE27H6M76FBWJDIQJ2PONL","download_json":"https://pith.science/pith/ITRANE27H6M76FBWJDIQJ2PONL.json","view_paper":"https://pith.science/paper/ITRANE27","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.2165&json=true","fetch_graph":"https://pith.science/api/pith-number/ITRANE27H6M76FBWJDIQJ2PONL/graph.json","fetch_events":"https://pith.science/api/pith-number/ITRANE27H6M76FBWJDIQJ2PONL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ITRANE27H6M76FBWJDIQJ2PONL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ITRANE27H6M76FBWJDIQJ2PONL/action/storage_attestation","attest_author":"https://pith.science/pith/ITRANE27H6M76FBWJDIQJ2PONL/action/author_attestation","sign_citation":"https://pith.science/pith/ITRANE27H6M76FBWJDIQJ2PONL/action/citation_signature","submit_replication":"https://pith.science/pith/ITRANE27H6M76FBWJDIQJ2PONL/action/replication_record"}},"created_at":"2026-05-18T02:54:39.184962+00:00","updated_at":"2026-05-18T02:54:39.184962+00:00"}