{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:SWGHNF53BXVTSSH7OG74UC6CWL","short_pith_number":"pith:SWGHNF53","schema_version":"1.0","canonical_sha256":"958c7697bb0deb3948ff71bfca0bc2b2cb978b8c7bf1200c63dd4b38b2098da2","source":{"kind":"arxiv","id":"1009.0192","version":1},"attestation_state":"computed","paper":{"title":"Nickel assisted healing of defective graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Christophe Bichara (CINaM), Fran\\c{c}ois Ducastelle (LEM), Hakim Amara (LEM), Sondes Karoui (LEM)","submitted_at":"2010-09-01T14:46:48Z","abstract_excerpt":"The healing of graphene grown from a metallic substrate is investigated using tight-binding Monte Carlo simulations. At temperatures (ranging from 1000 to 2500 K), an isolated graphene sheet can anneal a large number of defects suggesting that their healing are thermally activated. We show that in presence of a nickel substrate we obtain a perfect graphene layer. The nickel-carbon chemical bonds keep breaking and reforming around defected carbon zones, providing a direct interaction, necessary for the healing. Thus, the action of Ni atoms is found to play a key role in the reconstruction of th"},"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":"1009.0192","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-09-01T14:46:48Z","cross_cats_sorted":[],"title_canon_sha256":"00523f0f1e7ec3bfad2df1ca24842286764fd4e61b79957dee75e245b5b8be5e","abstract_canon_sha256":"0dbfdb448217f3de3ed935fd924c0588d6624514809f9dd777a1cc1c209a21d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:35.386099Z","signature_b64":"KkWAJYH2vjjEG2eERtmZ1US3KMDQb7x0lGAG42VkA4fWvBjPMjbtAH1uzQ1VJuESZslB5Wp2w69Hgiw84NUIBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"958c7697bb0deb3948ff71bfca0bc2b2cb978b8c7bf1200c63dd4b38b2098da2","last_reissued_at":"2026-05-18T04:41:35.385660Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:35.385660Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nickel assisted healing of defective graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Christophe Bichara (CINaM), Fran\\c{c}ois Ducastelle (LEM), Hakim Amara (LEM), Sondes Karoui (LEM)","submitted_at":"2010-09-01T14:46:48Z","abstract_excerpt":"The healing of graphene grown from a metallic substrate is investigated using tight-binding Monte Carlo simulations. At temperatures (ranging from 1000 to 2500 K), an isolated graphene sheet can anneal a large number of defects suggesting that their healing are thermally activated. We show that in presence of a nickel substrate we obtain a perfect graphene layer. The nickel-carbon chemical bonds keep breaking and reforming around defected carbon zones, providing a direct interaction, necessary for the healing. Thus, the action of Ni atoms is found to play a key role in the reconstruction of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.0192","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":"1009.0192","created_at":"2026-05-18T04:41:35.385736+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.0192v1","created_at":"2026-05-18T04:41:35.385736+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.0192","created_at":"2026-05-18T04:41:35.385736+00:00"},{"alias_kind":"pith_short_12","alias_value":"SWGHNF53BXVT","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_16","alias_value":"SWGHNF53BXVTSSH7","created_at":"2026-05-18T12:26:13.927090+00:00"},{"alias_kind":"pith_short_8","alias_value":"SWGHNF53","created_at":"2026-05-18T12:26:13.927090+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/SWGHNF53BXVTSSH7OG74UC6CWL","json":"https://pith.science/pith/SWGHNF53BXVTSSH7OG74UC6CWL.json","graph_json":"https://pith.science/api/pith-number/SWGHNF53BXVTSSH7OG74UC6CWL/graph.json","events_json":"https://pith.science/api/pith-number/SWGHNF53BXVTSSH7OG74UC6CWL/events.json","paper":"https://pith.science/paper/SWGHNF53"},"agent_actions":{"view_html":"https://pith.science/pith/SWGHNF53BXVTSSH7OG74UC6CWL","download_json":"https://pith.science/pith/SWGHNF53BXVTSSH7OG74UC6CWL.json","view_paper":"https://pith.science/paper/SWGHNF53","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.0192&json=true","fetch_graph":"https://pith.science/api/pith-number/SWGHNF53BXVTSSH7OG74UC6CWL/graph.json","fetch_events":"https://pith.science/api/pith-number/SWGHNF53BXVTSSH7OG74UC6CWL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SWGHNF53BXVTSSH7OG74UC6CWL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SWGHNF53BXVTSSH7OG74UC6CWL/action/storage_attestation","attest_author":"https://pith.science/pith/SWGHNF53BXVTSSH7OG74UC6CWL/action/author_attestation","sign_citation":"https://pith.science/pith/SWGHNF53BXVTSSH7OG74UC6CWL/action/citation_signature","submit_replication":"https://pith.science/pith/SWGHNF53BXVTSSH7OG74UC6CWL/action/replication_record"}},"created_at":"2026-05-18T04:41:35.385736+00:00","updated_at":"2026-05-18T04:41:35.385736+00:00"}