{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:NAVCIVG4YM2SFEARCJB32AKSJH","short_pith_number":"pith:NAVCIVG4","schema_version":"1.0","canonical_sha256":"682a2454dcc3352290111243bd015249daa324752a6308dd0c4c956d312315d0","source":{"kind":"arxiv","id":"1005.0664","version":2},"attestation_state":"computed","paper":{"title":"X-ray absorption spectroscopy (XAS) investigation of the electronic structure of superconducting FeSex single crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con","physics.chem-ph"],"primary_cat":"cond-mat.str-el","authors_text":"B. H. Mok, C. L. Chang, C. L. Chen, C. L. Dong, J. F. Lee, J.-H. Guo, J. L. Chen, M. C. Ling, M. K. Wu, S. M. Rao, T. S. Chan, T. W. Huang, W. C. Wang","submitted_at":"2010-05-05T02:02:01Z","abstract_excerpt":"X-ray absorption spectroscopy (XAS) Fe K-edge spectra of the FeSex (x=1-0.8) single crystals cleaved in situ in vacuum reveal characteristic Fe 4sp states, a lattice distortion and the Se K-edge spectra point to a strong Fe 3d-Se 4p hybridization giving rise to itinerant charge carriers. A formal charge of ~1.8+ for Fe and ~2.2- for Se were evaluated from these spectra in the FeSex (x=0.88). The charge balance between Fe and Se is assigned itinerant electrons located in the Fe-Se hybridization bond. As x decreases the 4p hole count increases and a crystal structure distortion is observed that "},"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":"1005.0664","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2010-05-05T02:02:01Z","cross_cats_sorted":["cond-mat.supr-con","physics.chem-ph"],"title_canon_sha256":"287ffaf32865d1d8f10338afccf48f6cc714d8f1d1048c01e4d8cc1b64b9ab1f","abstract_canon_sha256":"a15506d2615d0fd05419b641fdc7579b76ee97bb1a0a2ce1e9b62ad02558fa9e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:27:56.924047Z","signature_b64":"IltSiFuSChT1cS4kQFJVavXScrwQxPdL4hLfL8uc8Fmct3G9xrS3TlmwzWnkU6mMiVizQmYNVrl9lnm9a6RlDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"682a2454dcc3352290111243bd015249daa324752a6308dd0c4c956d312315d0","last_reissued_at":"2026-05-18T04:27:56.923293Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:27:56.923293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"X-ray absorption spectroscopy (XAS) investigation of the electronic structure of superconducting FeSex single crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con","physics.chem-ph"],"primary_cat":"cond-mat.str-el","authors_text":"B. H. Mok, C. L. Chang, C. L. Chen, C. L. Dong, J. F. Lee, J.-H. Guo, J. L. Chen, M. C. Ling, M. K. Wu, S. M. Rao, T. S. Chan, T. W. Huang, W. C. Wang","submitted_at":"2010-05-05T02:02:01Z","abstract_excerpt":"X-ray absorption spectroscopy (XAS) Fe K-edge spectra of the FeSex (x=1-0.8) single crystals cleaved in situ in vacuum reveal characteristic Fe 4sp states, a lattice distortion and the Se K-edge spectra point to a strong Fe 3d-Se 4p hybridization giving rise to itinerant charge carriers. A formal charge of ~1.8+ for Fe and ~2.2- for Se were evaluated from these spectra in the FeSex (x=0.88). The charge balance between Fe and Se is assigned itinerant electrons located in the Fe-Se hybridization bond. As x decreases the 4p hole count increases and a crystal structure distortion is observed that "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.0664","kind":"arxiv","version":2},"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":"1005.0664","created_at":"2026-05-18T04:27:56.923424+00:00"},{"alias_kind":"arxiv_version","alias_value":"1005.0664v2","created_at":"2026-05-18T04:27:56.923424+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.0664","created_at":"2026-05-18T04:27:56.923424+00:00"},{"alias_kind":"pith_short_12","alias_value":"NAVCIVG4YM2S","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_16","alias_value":"NAVCIVG4YM2SFEAR","created_at":"2026-05-18T12:26:10.704358+00:00"},{"alias_kind":"pith_short_8","alias_value":"NAVCIVG4","created_at":"2026-05-18T12:26:10.704358+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/NAVCIVG4YM2SFEARCJB32AKSJH","json":"https://pith.science/pith/NAVCIVG4YM2SFEARCJB32AKSJH.json","graph_json":"https://pith.science/api/pith-number/NAVCIVG4YM2SFEARCJB32AKSJH/graph.json","events_json":"https://pith.science/api/pith-number/NAVCIVG4YM2SFEARCJB32AKSJH/events.json","paper":"https://pith.science/paper/NAVCIVG4"},"agent_actions":{"view_html":"https://pith.science/pith/NAVCIVG4YM2SFEARCJB32AKSJH","download_json":"https://pith.science/pith/NAVCIVG4YM2SFEARCJB32AKSJH.json","view_paper":"https://pith.science/paper/NAVCIVG4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1005.0664&json=true","fetch_graph":"https://pith.science/api/pith-number/NAVCIVG4YM2SFEARCJB32AKSJH/graph.json","fetch_events":"https://pith.science/api/pith-number/NAVCIVG4YM2SFEARCJB32AKSJH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NAVCIVG4YM2SFEARCJB32AKSJH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NAVCIVG4YM2SFEARCJB32AKSJH/action/storage_attestation","attest_author":"https://pith.science/pith/NAVCIVG4YM2SFEARCJB32AKSJH/action/author_attestation","sign_citation":"https://pith.science/pith/NAVCIVG4YM2SFEARCJB32AKSJH/action/citation_signature","submit_replication":"https://pith.science/pith/NAVCIVG4YM2SFEARCJB32AKSJH/action/replication_record"}},"created_at":"2026-05-18T04:27:56.923424+00:00","updated_at":"2026-05-18T04:27:56.923424+00:00"}