{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:AFEWSKHGJE336UFD7QLEHH2YTG","short_pith_number":"pith:AFEWSKHG","schema_version":"1.0","canonical_sha256":"01496928e64937bf50a3fc16439f5899ae7014740410c1c482fff072729a048e","source":{"kind":"arxiv","id":"1102.2215","version":2},"attestation_state":"computed","paper":{"title":"Ternary iron selenide K$_{0.8}$Fe$_{1.6}$Se$_2$ is an antiferromagnetic semiconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Miao Gao, Tao Xiang, Xun-Wang Yan, Zhong-Yi Lu","submitted_at":"2011-02-10T20:13:52Z","abstract_excerpt":"We have studied electronic and magnetic structures of K$_{0.8+x}$Fe$_{1.6}$Se$_2$ by performing the first-principles electronic structure calculations. The ground state of the Fe-vacancies ordered K$_{0.8}$Fe$_{1.6}$Se$_2$ is found to be a quasi-two-dimensional blocked checkerboard antiferromagnetic (AFM) semiconductor with an energy gap of 594 meV and a large ordering magnetic moment of 3.37 $\\mu_B$ for each Fe atom, in excellent agreement with the neutron scattering measurement. The underlying mechanism is the chemical-bonding-driven tetramer lattice distortion. K$_{0.8+x}$Fe$_{1.6}$Se$_2$ w"},"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":"1102.2215","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-02-10T20:13:52Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"1f27d6cc9e424eab8094bd0b9b75f2ab46cb3acbe9980eb624d913777445715b","abstract_canon_sha256":"4b491c5e94157f76900602da49477919d992fcfffa508d25212444d8383b1eaf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:54.618751Z","signature_b64":"hVwThuJ3R8eM6YudC22WflOBlhyjHwBPRTmDTV0BxoVhMLleUqNFx9XSYmtP/gYhWu/TpE67b0D6KmapjXx5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01496928e64937bf50a3fc16439f5899ae7014740410c1c482fff072729a048e","last_reissued_at":"2026-05-18T04:19:54.618031Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:54.618031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ternary iron selenide K$_{0.8}$Fe$_{1.6}$Se$_2$ is an antiferromagnetic semiconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Miao Gao, Tao Xiang, Xun-Wang Yan, Zhong-Yi Lu","submitted_at":"2011-02-10T20:13:52Z","abstract_excerpt":"We have studied electronic and magnetic structures of K$_{0.8+x}$Fe$_{1.6}$Se$_2$ by performing the first-principles electronic structure calculations. The ground state of the Fe-vacancies ordered K$_{0.8}$Fe$_{1.6}$Se$_2$ is found to be a quasi-two-dimensional blocked checkerboard antiferromagnetic (AFM) semiconductor with an energy gap of 594 meV and a large ordering magnetic moment of 3.37 $\\mu_B$ for each Fe atom, in excellent agreement with the neutron scattering measurement. The underlying mechanism is the chemical-bonding-driven tetramer lattice distortion. K$_{0.8+x}$Fe$_{1.6}$Se$_2$ w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2215","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":"1102.2215","created_at":"2026-05-18T04:19:54.618139+00:00"},{"alias_kind":"arxiv_version","alias_value":"1102.2215v2","created_at":"2026-05-18T04:19:54.618139+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2215","created_at":"2026-05-18T04:19:54.618139+00:00"},{"alias_kind":"pith_short_12","alias_value":"AFEWSKHGJE33","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"AFEWSKHGJE336UFD","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"AFEWSKHG","created_at":"2026-05-18T12:26:24.575870+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/AFEWSKHGJE336UFD7QLEHH2YTG","json":"https://pith.science/pith/AFEWSKHGJE336UFD7QLEHH2YTG.json","graph_json":"https://pith.science/api/pith-number/AFEWSKHGJE336UFD7QLEHH2YTG/graph.json","events_json":"https://pith.science/api/pith-number/AFEWSKHGJE336UFD7QLEHH2YTG/events.json","paper":"https://pith.science/paper/AFEWSKHG"},"agent_actions":{"view_html":"https://pith.science/pith/AFEWSKHGJE336UFD7QLEHH2YTG","download_json":"https://pith.science/pith/AFEWSKHGJE336UFD7QLEHH2YTG.json","view_paper":"https://pith.science/paper/AFEWSKHG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1102.2215&json=true","fetch_graph":"https://pith.science/api/pith-number/AFEWSKHGJE336UFD7QLEHH2YTG/graph.json","fetch_events":"https://pith.science/api/pith-number/AFEWSKHGJE336UFD7QLEHH2YTG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AFEWSKHGJE336UFD7QLEHH2YTG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AFEWSKHGJE336UFD7QLEHH2YTG/action/storage_attestation","attest_author":"https://pith.science/pith/AFEWSKHGJE336UFD7QLEHH2YTG/action/author_attestation","sign_citation":"https://pith.science/pith/AFEWSKHGJE336UFD7QLEHH2YTG/action/citation_signature","submit_replication":"https://pith.science/pith/AFEWSKHGJE336UFD7QLEHH2YTG/action/replication_record"}},"created_at":"2026-05-18T04:19:54.618139+00:00","updated_at":"2026-05-18T04:19:54.618139+00:00"}