{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:3CTM2GQZSZ2CGDZYGTM5YZFOM6","short_pith_number":"pith:3CTM2GQZ","schema_version":"1.0","canonical_sha256":"d8a6cd1a199674230f3834d9dc64ae678531f8e925ca45caa779134ab1951b52","source":{"kind":"arxiv","id":"1208.0503","version":2},"attestation_state":"computed","paper":{"title":"The nature of the electronic band gap in lanthanide oxides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"John Robertson, Roland Gillen, Stewart J. Clark","submitted_at":"2012-08-02T14:36:57Z","abstract_excerpt":"Accurate electronic structures of the technologically important lanthanide/rare earth sesquioxides (Ln2O3, with Ln=La,...,Lu) and CeO2 have been calculated using hybrid density functionals HSE03, HSE06 and screened-exchange (sX-LDA). We find that these density functional methods describe the strongly correlated Ln f-electrons as well as the recent G0W0@LDA+U results, generally yielding the correct band gaps and trends across the Ln-period. For HSE, the band gap between O 2p states and lanthanide 5d states is nearly independent of the lanthanide, while the minimum gap varies as filled or empty "},"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":"1208.0503","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-08-02T14:36:57Z","cross_cats_sorted":[],"title_canon_sha256":"22d73760ac4d42cb8329253953b3e56d584aed7f337e32684ff1e60bf1b9962c","abstract_canon_sha256":"6d50c661373d13679d402e7c4e5e3a055dc1ee9bd2ea9485a0a0788d75193a4c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:35.725702Z","signature_b64":"sGzJolsbZWzeF8Cdu5PZE66O5HV9xdR88jutfytyl4wQeYpfdXrLaVJYdKAJCCBoWtwF2yFLFahwk+16ZVK3DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8a6cd1a199674230f3834d9dc64ae678531f8e925ca45caa779134ab1951b52","last_reissued_at":"2026-05-18T00:59:35.725054Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:35.725054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The nature of the electronic band gap in lanthanide oxides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"John Robertson, Roland Gillen, Stewart J. Clark","submitted_at":"2012-08-02T14:36:57Z","abstract_excerpt":"Accurate electronic structures of the technologically important lanthanide/rare earth sesquioxides (Ln2O3, with Ln=La,...,Lu) and CeO2 have been calculated using hybrid density functionals HSE03, HSE06 and screened-exchange (sX-LDA). We find that these density functional methods describe the strongly correlated Ln f-electrons as well as the recent G0W0@LDA+U results, generally yielding the correct band gaps and trends across the Ln-period. For HSE, the band gap between O 2p states and lanthanide 5d states is nearly independent of the lanthanide, while the minimum gap varies as filled or empty "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.0503","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":"1208.0503","created_at":"2026-05-18T00:59:35.725154+00:00"},{"alias_kind":"arxiv_version","alias_value":"1208.0503v2","created_at":"2026-05-18T00:59:35.725154+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.0503","created_at":"2026-05-18T00:59:35.725154+00:00"},{"alias_kind":"pith_short_12","alias_value":"3CTM2GQZSZ2C","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_16","alias_value":"3CTM2GQZSZ2CGDZY","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_8","alias_value":"3CTM2GQZ","created_at":"2026-05-18T12:26:50.516681+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/3CTM2GQZSZ2CGDZYGTM5YZFOM6","json":"https://pith.science/pith/3CTM2GQZSZ2CGDZYGTM5YZFOM6.json","graph_json":"https://pith.science/api/pith-number/3CTM2GQZSZ2CGDZYGTM5YZFOM6/graph.json","events_json":"https://pith.science/api/pith-number/3CTM2GQZSZ2CGDZYGTM5YZFOM6/events.json","paper":"https://pith.science/paper/3CTM2GQZ"},"agent_actions":{"view_html":"https://pith.science/pith/3CTM2GQZSZ2CGDZYGTM5YZFOM6","download_json":"https://pith.science/pith/3CTM2GQZSZ2CGDZYGTM5YZFOM6.json","view_paper":"https://pith.science/paper/3CTM2GQZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1208.0503&json=true","fetch_graph":"https://pith.science/api/pith-number/3CTM2GQZSZ2CGDZYGTM5YZFOM6/graph.json","fetch_events":"https://pith.science/api/pith-number/3CTM2GQZSZ2CGDZYGTM5YZFOM6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3CTM2GQZSZ2CGDZYGTM5YZFOM6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3CTM2GQZSZ2CGDZYGTM5YZFOM6/action/storage_attestation","attest_author":"https://pith.science/pith/3CTM2GQZSZ2CGDZYGTM5YZFOM6/action/author_attestation","sign_citation":"https://pith.science/pith/3CTM2GQZSZ2CGDZYGTM5YZFOM6/action/citation_signature","submit_replication":"https://pith.science/pith/3CTM2GQZSZ2CGDZYGTM5YZFOM6/action/replication_record"}},"created_at":"2026-05-18T00:59:35.725154+00:00","updated_at":"2026-05-18T00:59:35.725154+00:00"}