{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:ZRKGFHMBJV4PHDMLOXHFIAIIJZ","short_pith_number":"pith:ZRKGFHMB","schema_version":"1.0","canonical_sha256":"cc54629d814d78f38d8b75ce5401084e7f2fbcd65fa4e8c776afd3f226a31822","source":{"kind":"arxiv","id":"1111.4918","version":2},"attestation_state":"computed","paper":{"title":"Revealing the atomic structure of the buffer layer between SiC(0001) and epitaxial graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Camilla Coletti, Fabio Beltram, Francesco Colangelo, Konstantin V. Emtsev, Pasqualantonio Pingue, Sarah Goler, Stefan Heun, Stiven Forti, Ulrich Starke, Vincenzo Piazza, Vittorio Pellegrini","submitted_at":"2011-11-21T16:25:44Z","abstract_excerpt":"On the SiC(0001) surface (the silicon face of SiC), epitaxial graphene is obtained by sublimation of Si from the substrate. The graphene film is separated from the bulk by a carbon-rich interface layer (hereafter called the buffer layer) which in part covalently binds to the substrate. Its structural and electronic properties are currently under debate. In the present work we report scanning tunneling microscopy (STM) studies of the buffer layer and of quasi-free-standing monolayer graphene (QFMLG) that is obtained by decoupling the buffer layer from the SiC(0001) substrate by means of hydroge"},"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":"1111.4918","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-21T16:25:44Z","cross_cats_sorted":[],"title_canon_sha256":"d957b86af17842b98037170b356f4998e0342833dd8c6c3afe1b746fd8ea6eb2","abstract_canon_sha256":"95c55b411113e3739a49bae3486f844691087b677422032da63c43d433080d29"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:16:59.140159Z","signature_b64":"FjivzImjSQ2eAFZit8BlCswml1XfUaNI0qfOkb80bz8MTwVAOf47C1FlTEHnRMNJP7hoIRh2nNTRtLe8dBcAAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc54629d814d78f38d8b75ce5401084e7f2fbcd65fa4e8c776afd3f226a31822","last_reissued_at":"2026-05-18T03:16:59.139367Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:16:59.139367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Revealing the atomic structure of the buffer layer between SiC(0001) and epitaxial graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Camilla Coletti, Fabio Beltram, Francesco Colangelo, Konstantin V. Emtsev, Pasqualantonio Pingue, Sarah Goler, Stefan Heun, Stiven Forti, Ulrich Starke, Vincenzo Piazza, Vittorio Pellegrini","submitted_at":"2011-11-21T16:25:44Z","abstract_excerpt":"On the SiC(0001) surface (the silicon face of SiC), epitaxial graphene is obtained by sublimation of Si from the substrate. The graphene film is separated from the bulk by a carbon-rich interface layer (hereafter called the buffer layer) which in part covalently binds to the substrate. Its structural and electronic properties are currently under debate. In the present work we report scanning tunneling microscopy (STM) studies of the buffer layer and of quasi-free-standing monolayer graphene (QFMLG) that is obtained by decoupling the buffer layer from the SiC(0001) substrate by means of hydroge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.4918","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":"1111.4918","created_at":"2026-05-18T03:16:59.139486+00:00"},{"alias_kind":"arxiv_version","alias_value":"1111.4918v2","created_at":"2026-05-18T03:16:59.139486+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.4918","created_at":"2026-05-18T03:16:59.139486+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZRKGFHMBJV4P","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZRKGFHMBJV4PHDML","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZRKGFHMB","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/ZRKGFHMBJV4PHDMLOXHFIAIIJZ","json":"https://pith.science/pith/ZRKGFHMBJV4PHDMLOXHFIAIIJZ.json","graph_json":"https://pith.science/api/pith-number/ZRKGFHMBJV4PHDMLOXHFIAIIJZ/graph.json","events_json":"https://pith.science/api/pith-number/ZRKGFHMBJV4PHDMLOXHFIAIIJZ/events.json","paper":"https://pith.science/paper/ZRKGFHMB"},"agent_actions":{"view_html":"https://pith.science/pith/ZRKGFHMBJV4PHDMLOXHFIAIIJZ","download_json":"https://pith.science/pith/ZRKGFHMBJV4PHDMLOXHFIAIIJZ.json","view_paper":"https://pith.science/paper/ZRKGFHMB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1111.4918&json=true","fetch_graph":"https://pith.science/api/pith-number/ZRKGFHMBJV4PHDMLOXHFIAIIJZ/graph.json","fetch_events":"https://pith.science/api/pith-number/ZRKGFHMBJV4PHDMLOXHFIAIIJZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZRKGFHMBJV4PHDMLOXHFIAIIJZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZRKGFHMBJV4PHDMLOXHFIAIIJZ/action/storage_attestation","attest_author":"https://pith.science/pith/ZRKGFHMBJV4PHDMLOXHFIAIIJZ/action/author_attestation","sign_citation":"https://pith.science/pith/ZRKGFHMBJV4PHDMLOXHFIAIIJZ/action/citation_signature","submit_replication":"https://pith.science/pith/ZRKGFHMBJV4PHDMLOXHFIAIIJZ/action/replication_record"}},"created_at":"2026-05-18T03:16:59.139486+00:00","updated_at":"2026-05-18T03:16:59.139486+00:00"}