{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:4TWAP776IXTKAFG4O5G46Y2WV7","short_pith_number":"pith:4TWAP776","schema_version":"1.0","canonical_sha256":"e4ec07fffe45e6a014dc774dcf6356afe56696227d9d54d63c3ebf7baeb20aa0","source":{"kind":"arxiv","id":"1405.1407","version":1},"attestation_state":"computed","paper":{"title":"Superconductivity-induced Phonon Renormalization on NaFe$_{1-x}$Co$_{x}$As","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"B.H. Min, M. Le Tacon, Y.J. Um, Y.S. Kwon, Yunkyu Bang","submitted_at":"2014-05-06T19:31:53Z","abstract_excerpt":"We report a study of the lattice dynamics in superconducting NaFeAs (Tc = 8 K) and doped NaFe0.97Co0.03As (Tc = 20 K) using Raman light scattering. Five of the six phonon modes expected from group theory are observed. In contrast with results obtained on iso-structural and iso-electronic LiFeAs, anomalous broadening of Eg(As) and A1g(Na) modes upon cooling is observed in both samples. In addition, in the Co-doped sample, a superconductivity-induced renormalization of the frequency and linewidth of the B1g(Fe) vibration is observed. This renormalization can not be understood within a single ban"},"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":"1405.1407","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-05-06T19:31:53Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"2e230585db04af080116e1495829214e33debbc6e5f7c77766f80fcc1d89e733","abstract_canon_sha256":"0968955b393f91142e30497b676e725289c8ebaebdc44a61262cddcb2dc055ed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:59.281512Z","signature_b64":"fcyO2HbMynzqS3ydcSTlK2h+RgAZfWIaLUNhBk4nM/dqmGAbG4v2W5sT05sn7NyQi449mFC3QVHHfzvcfMWZAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4ec07fffe45e6a014dc774dcf6356afe56696227d9d54d63c3ebf7baeb20aa0","last_reissued_at":"2026-05-18T00:56:59.280894Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:59.280894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Superconductivity-induced Phonon Renormalization on NaFe$_{1-x}$Co$_{x}$As","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"B.H. Min, M. Le Tacon, Y.J. Um, Y.S. Kwon, Yunkyu Bang","submitted_at":"2014-05-06T19:31:53Z","abstract_excerpt":"We report a study of the lattice dynamics in superconducting NaFeAs (Tc = 8 K) and doped NaFe0.97Co0.03As (Tc = 20 K) using Raman light scattering. Five of the six phonon modes expected from group theory are observed. In contrast with results obtained on iso-structural and iso-electronic LiFeAs, anomalous broadening of Eg(As) and A1g(Na) modes upon cooling is observed in both samples. In addition, in the Co-doped sample, a superconductivity-induced renormalization of the frequency and linewidth of the B1g(Fe) vibration is observed. This renormalization can not be understood within a single ban"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1407","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":"1405.1407","created_at":"2026-05-18T00:56:59.280993+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.1407v1","created_at":"2026-05-18T00:56:59.280993+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1407","created_at":"2026-05-18T00:56:59.280993+00:00"},{"alias_kind":"pith_short_12","alias_value":"4TWAP776IXTK","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_16","alias_value":"4TWAP776IXTKAFG4","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_8","alias_value":"4TWAP776","created_at":"2026-05-18T12:28:14.216126+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/4TWAP776IXTKAFG4O5G46Y2WV7","json":"https://pith.science/pith/4TWAP776IXTKAFG4O5G46Y2WV7.json","graph_json":"https://pith.science/api/pith-number/4TWAP776IXTKAFG4O5G46Y2WV7/graph.json","events_json":"https://pith.science/api/pith-number/4TWAP776IXTKAFG4O5G46Y2WV7/events.json","paper":"https://pith.science/paper/4TWAP776"},"agent_actions":{"view_html":"https://pith.science/pith/4TWAP776IXTKAFG4O5G46Y2WV7","download_json":"https://pith.science/pith/4TWAP776IXTKAFG4O5G46Y2WV7.json","view_paper":"https://pith.science/paper/4TWAP776","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.1407&json=true","fetch_graph":"https://pith.science/api/pith-number/4TWAP776IXTKAFG4O5G46Y2WV7/graph.json","fetch_events":"https://pith.science/api/pith-number/4TWAP776IXTKAFG4O5G46Y2WV7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4TWAP776IXTKAFG4O5G46Y2WV7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4TWAP776IXTKAFG4O5G46Y2WV7/action/storage_attestation","attest_author":"https://pith.science/pith/4TWAP776IXTKAFG4O5G46Y2WV7/action/author_attestation","sign_citation":"https://pith.science/pith/4TWAP776IXTKAFG4O5G46Y2WV7/action/citation_signature","submit_replication":"https://pith.science/pith/4TWAP776IXTKAFG4O5G46Y2WV7/action/replication_record"}},"created_at":"2026-05-18T00:56:59.280993+00:00","updated_at":"2026-05-18T00:56:59.280993+00:00"}