{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:3LB3MJBRLBBMPX4XZ22YGE4D2C","short_pith_number":"pith:3LB3MJBR","schema_version":"1.0","canonical_sha256":"dac3b624315842c7df97ceb5831383d080b0e31d1e6e7f1944aac80d4988f6d8","source":{"kind":"arxiv","id":"cond-mat/0606533","version":1},"attestation_state":"computed","paper":{"title":"Ab initio study of the influence of adsorbed atoms on vacancy-induced magnetic moments in graphene sheets","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alvaro W. Mombr\\'u, Fernando M. Ara\\'ujo-Moreira, Helena Pardo, Marcos Ver\\'issimo-Alves, Ricardo Faccio, Rodrigo Yoshikawa Oeiras","submitted_at":"2006-06-20T20:18:26Z","abstract_excerpt":"We present ab initio calculations for single-atom vacancies in graphene. In agreement with earlier work, we find that vacancies are responsible for the magnetism recently observed experimentally, creating a center with net spin. For small supercells, there is a strong symmetry breaking in the supercell with respect to the perfect graphene structure, and this symmetry breaking is much smaller for larger supercells. The influence of the adsorption of H, O and N atoms on the spin center of the bare single-atom vacancy and its influence on the magnetism induced in these samples is investigated. A "},"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":"cond-mat/0606533","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2006-06-20T20:18:26Z","cross_cats_sorted":[],"title_canon_sha256":"eabc9ce71ce8f0a1c179e7566b2cddcc4667fae4e0f5c6f32cf8ef8e9d14f1db","abstract_canon_sha256":"9f93285381797c9a57dc0b4776846d76bd4689bf96b8bd1bdb68adefd17a8b38"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:55.774776Z","signature_b64":"cZCPFxWhjHquOYVYTgnf/TSJu3PQWqeCUIAgIdw/FMgbX30ukrk8fwRBn07CDHvUxAfTS1h1+FnVJcMDNexDAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dac3b624315842c7df97ceb5831383d080b0e31d1e6e7f1944aac80d4988f6d8","last_reissued_at":"2026-05-18T01:08:55.774275Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:55.774275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ab initio study of the influence of adsorbed atoms on vacancy-induced magnetic moments in graphene sheets","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alvaro W. Mombr\\'u, Fernando M. Ara\\'ujo-Moreira, Helena Pardo, Marcos Ver\\'issimo-Alves, Ricardo Faccio, Rodrigo Yoshikawa Oeiras","submitted_at":"2006-06-20T20:18:26Z","abstract_excerpt":"We present ab initio calculations for single-atom vacancies in graphene. In agreement with earlier work, we find that vacancies are responsible for the magnetism recently observed experimentally, creating a center with net spin. For small supercells, there is a strong symmetry breaking in the supercell with respect to the perfect graphene structure, and this symmetry breaking is much smaller for larger supercells. The influence of the adsorption of H, O and N atoms on the spin center of the bare single-atom vacancy and its influence on the magnetism induced in these samples is investigated. A "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0606533","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":"cond-mat/0606533","created_at":"2026-05-18T01:08:55.774382+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0606533v1","created_at":"2026-05-18T01:08:55.774382+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0606533","created_at":"2026-05-18T01:08:55.774382+00:00"},{"alias_kind":"pith_short_12","alias_value":"3LB3MJBRLBBM","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_16","alias_value":"3LB3MJBRLBBMPX4X","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_8","alias_value":"3LB3MJBR","created_at":"2026-05-18T12:25:53.939244+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/3LB3MJBRLBBMPX4XZ22YGE4D2C","json":"https://pith.science/pith/3LB3MJBRLBBMPX4XZ22YGE4D2C.json","graph_json":"https://pith.science/api/pith-number/3LB3MJBRLBBMPX4XZ22YGE4D2C/graph.json","events_json":"https://pith.science/api/pith-number/3LB3MJBRLBBMPX4XZ22YGE4D2C/events.json","paper":"https://pith.science/paper/3LB3MJBR"},"agent_actions":{"view_html":"https://pith.science/pith/3LB3MJBRLBBMPX4XZ22YGE4D2C","download_json":"https://pith.science/pith/3LB3MJBRLBBMPX4XZ22YGE4D2C.json","view_paper":"https://pith.science/paper/3LB3MJBR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0606533&json=true","fetch_graph":"https://pith.science/api/pith-number/3LB3MJBRLBBMPX4XZ22YGE4D2C/graph.json","fetch_events":"https://pith.science/api/pith-number/3LB3MJBRLBBMPX4XZ22YGE4D2C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3LB3MJBRLBBMPX4XZ22YGE4D2C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3LB3MJBRLBBMPX4XZ22YGE4D2C/action/storage_attestation","attest_author":"https://pith.science/pith/3LB3MJBRLBBMPX4XZ22YGE4D2C/action/author_attestation","sign_citation":"https://pith.science/pith/3LB3MJBRLBBMPX4XZ22YGE4D2C/action/citation_signature","submit_replication":"https://pith.science/pith/3LB3MJBRLBBMPX4XZ22YGE4D2C/action/replication_record"}},"created_at":"2026-05-18T01:08:55.774382+00:00","updated_at":"2026-05-18T01:08:55.774382+00:00"}