{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:WM3I2SFJMLI3HGL6TAAJTI2TGI","short_pith_number":"pith:WM3I2SFJ","schema_version":"1.0","canonical_sha256":"b3368d48a962d1b3997e980099a353321bc8f7259955794e200ddb25afa50a23","source":{"kind":"arxiv","id":"0912.1782","version":3},"attestation_state":"computed","paper":{"title":"Phonon dynamics in SrFe2As2 and SrFeAsF parent pnictide compounds: How different/similar when compared to Ca- and Ba-compounds?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"H. Hosono, H. Schober, M. Johnson, R. Mittal M. Zbiri, S. L. Chaplot, S. Matsuishi, S. Rols, T. Chatterji, Th. Brueckel, Y. Inoue, Y. Su, Y. Xiao","submitted_at":"2009-12-09T16:09:04Z","abstract_excerpt":"We report detailed measurements of temperature dependence and ab initio lattice dynamical calculations of the phonon density-of-states of two Sr based iron pnictide parent compounds; SrFe2As2 and SrFeAsF. Although both compounds undergo a magnetic as well as a tetragonal-to-orthorhombic structural phase transitions, no drastic change of their phonon spectra is found in the temperature range from 2 to 300 K.. In both the systems the Fe-As stretching modes at 32 meV react to the temperature change and shift towards higher energies with decreasing temperature. Furthermore, we found that in the an"},"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":"0912.1782","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-12-09T16:09:04Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"2e139035d9372335d478577fad37b21a379d24365ba313efd25c32f2ea99bcac","abstract_canon_sha256":"b8c02cf152c6daea8c0d4ede0118e71bd6531a074826c72772ee50a3fbcbc25e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:34.479948Z","signature_b64":"NHzONReccIqkEqriLM7Ej0FjCIz5TeCA3Y3TXD9/qeqnHo+Jh4hissIqBxAklvsoRNj6AMCmmmpVaxwFkpuBBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3368d48a962d1b3997e980099a353321bc8f7259955794e200ddb25afa50a23","last_reissued_at":"2026-05-18T04:42:34.479226Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:34.479226Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phonon dynamics in SrFe2As2 and SrFeAsF parent pnictide compounds: How different/similar when compared to Ca- and Ba-compounds?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"H. Hosono, H. Schober, M. Johnson, R. Mittal M. Zbiri, S. L. Chaplot, S. Matsuishi, S. Rols, T. Chatterji, Th. Brueckel, Y. Inoue, Y. Su, Y. Xiao","submitted_at":"2009-12-09T16:09:04Z","abstract_excerpt":"We report detailed measurements of temperature dependence and ab initio lattice dynamical calculations of the phonon density-of-states of two Sr based iron pnictide parent compounds; SrFe2As2 and SrFeAsF. Although both compounds undergo a magnetic as well as a tetragonal-to-orthorhombic structural phase transitions, no drastic change of their phonon spectra is found in the temperature range from 2 to 300 K.. In both the systems the Fe-As stretching modes at 32 meV react to the temperature change and shift towards higher energies with decreasing temperature. Furthermore, we found that in the an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1782","kind":"arxiv","version":3},"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":"0912.1782","created_at":"2026-05-18T04:42:34.479364+00:00"},{"alias_kind":"arxiv_version","alias_value":"0912.1782v3","created_at":"2026-05-18T04:42:34.479364+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1782","created_at":"2026-05-18T04:42:34.479364+00:00"},{"alias_kind":"pith_short_12","alias_value":"WM3I2SFJMLI3","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"WM3I2SFJMLI3HGL6","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"WM3I2SFJ","created_at":"2026-05-18T12:26:02.257875+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/WM3I2SFJMLI3HGL6TAAJTI2TGI","json":"https://pith.science/pith/WM3I2SFJMLI3HGL6TAAJTI2TGI.json","graph_json":"https://pith.science/api/pith-number/WM3I2SFJMLI3HGL6TAAJTI2TGI/graph.json","events_json":"https://pith.science/api/pith-number/WM3I2SFJMLI3HGL6TAAJTI2TGI/events.json","paper":"https://pith.science/paper/WM3I2SFJ"},"agent_actions":{"view_html":"https://pith.science/pith/WM3I2SFJMLI3HGL6TAAJTI2TGI","download_json":"https://pith.science/pith/WM3I2SFJMLI3HGL6TAAJTI2TGI.json","view_paper":"https://pith.science/paper/WM3I2SFJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0912.1782&json=true","fetch_graph":"https://pith.science/api/pith-number/WM3I2SFJMLI3HGL6TAAJTI2TGI/graph.json","fetch_events":"https://pith.science/api/pith-number/WM3I2SFJMLI3HGL6TAAJTI2TGI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WM3I2SFJMLI3HGL6TAAJTI2TGI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WM3I2SFJMLI3HGL6TAAJTI2TGI/action/storage_attestation","attest_author":"https://pith.science/pith/WM3I2SFJMLI3HGL6TAAJTI2TGI/action/author_attestation","sign_citation":"https://pith.science/pith/WM3I2SFJMLI3HGL6TAAJTI2TGI/action/citation_signature","submit_replication":"https://pith.science/pith/WM3I2SFJMLI3HGL6TAAJTI2TGI/action/replication_record"}},"created_at":"2026-05-18T04:42:34.479364+00:00","updated_at":"2026-05-18T04:42:34.479364+00:00"}