{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:E25AMI7OTNI7YPPUFKMSZ3TYAX","short_pith_number":"pith:E25AMI7O","schema_version":"1.0","canonical_sha256":"26ba0623ee9b51fc3df42a992cee7805c2e9d57afbc0a7c9f2b6097924b89b9a","source":{"kind":"arxiv","id":"1707.02232","version":1},"attestation_state":"computed","paper":{"title":"The structure and evolution of semiconducting buffer graphene grown on SiC(0001)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Coati, A. Vlad, E.H. Conrad, J.-P. Rueff, J. Rault, M. Conrad, P.F. Miceli, Y. Garreau, Y. Utsumi","submitted_at":"2017-07-07T15:40:21Z","abstract_excerpt":"Using highly controlled coverages of graphene on SiC(0001), we have studied the structure of the first graphene layer that grows on the SiC interface. This layer, known as the buffer layer, is semiconducting. Using x-ray reflectivity and x-ray standing waves analysis we have performed a comparative study of the buffer layer structure with and without an additional monolayer graphene layer above it. We show that no more than 26\\% of the buffer carbon is covalently bonded to Si in the SiC interface. We also show that the top SiC bilayer is Si depleted and is the likely the cause of the incommens"},"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":"1707.02232","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-07-07T15:40:21Z","cross_cats_sorted":[],"title_canon_sha256":"915af19d0b9bcadde8b127e81e87c84eb427924b1b0bce74397cc2cd8db6d3ad","abstract_canon_sha256":"b4f098ae0c514785eacb2105cbe09fdff24bed02b0d1c730abe20ad4f12821cd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:55.138654Z","signature_b64":"S6enekWV25Pq0V9KdmDM5qAlND2m0XNv2T91dO0UR8xhngAteQZOCWR4fwYuVSotvdDK7dVFMuReSn89xJ9dAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26ba0623ee9b51fc3df42a992cee7805c2e9d57afbc0a7c9f2b6097924b89b9a","last_reissued_at":"2026-05-18T00:29:55.138149Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:55.138149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The structure and evolution of semiconducting buffer graphene grown on SiC(0001)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Coati, A. Vlad, E.H. Conrad, J.-P. Rueff, J. Rault, M. Conrad, P.F. Miceli, Y. Garreau, Y. Utsumi","submitted_at":"2017-07-07T15:40:21Z","abstract_excerpt":"Using highly controlled coverages of graphene on SiC(0001), we have studied the structure of the first graphene layer that grows on the SiC interface. This layer, known as the buffer layer, is semiconducting. Using x-ray reflectivity and x-ray standing waves analysis we have performed a comparative study of the buffer layer structure with and without an additional monolayer graphene layer above it. We show that no more than 26\\% of the buffer carbon is covalently bonded to Si in the SiC interface. We also show that the top SiC bilayer is Si depleted and is the likely the cause of the incommens"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.02232","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":"1707.02232","created_at":"2026-05-18T00:29:55.138216+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.02232v1","created_at":"2026-05-18T00:29:55.138216+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.02232","created_at":"2026-05-18T00:29:55.138216+00:00"},{"alias_kind":"pith_short_12","alias_value":"E25AMI7OTNI7","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"E25AMI7OTNI7YPPU","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"E25AMI7O","created_at":"2026-05-18T12:31:12.930513+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/E25AMI7OTNI7YPPUFKMSZ3TYAX","json":"https://pith.science/pith/E25AMI7OTNI7YPPUFKMSZ3TYAX.json","graph_json":"https://pith.science/api/pith-number/E25AMI7OTNI7YPPUFKMSZ3TYAX/graph.json","events_json":"https://pith.science/api/pith-number/E25AMI7OTNI7YPPUFKMSZ3TYAX/events.json","paper":"https://pith.science/paper/E25AMI7O"},"agent_actions":{"view_html":"https://pith.science/pith/E25AMI7OTNI7YPPUFKMSZ3TYAX","download_json":"https://pith.science/pith/E25AMI7OTNI7YPPUFKMSZ3TYAX.json","view_paper":"https://pith.science/paper/E25AMI7O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.02232&json=true","fetch_graph":"https://pith.science/api/pith-number/E25AMI7OTNI7YPPUFKMSZ3TYAX/graph.json","fetch_events":"https://pith.science/api/pith-number/E25AMI7OTNI7YPPUFKMSZ3TYAX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E25AMI7OTNI7YPPUFKMSZ3TYAX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E25AMI7OTNI7YPPUFKMSZ3TYAX/action/storage_attestation","attest_author":"https://pith.science/pith/E25AMI7OTNI7YPPUFKMSZ3TYAX/action/author_attestation","sign_citation":"https://pith.science/pith/E25AMI7OTNI7YPPUFKMSZ3TYAX/action/citation_signature","submit_replication":"https://pith.science/pith/E25AMI7OTNI7YPPUFKMSZ3TYAX/action/replication_record"}},"created_at":"2026-05-18T00:29:55.138216+00:00","updated_at":"2026-05-18T00:29:55.138216+00:00"}