{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:2T2W2ESWXNIDPXFUEHQCE7Z6JX","short_pith_number":"pith:2T2W2ESW","schema_version":"1.0","canonical_sha256":"d4f56d1256bb5037dcb421e0227f3e4dd5154e6f9f1dfa453ddb17b61491fddf","source":{"kind":"arxiv","id":"1106.5923","version":2},"attestation_state":"computed","paper":{"title":"Bottom-gated epitaxial graphene suitable for half-integer quantum metrology ?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Caboni, B. Jabakhanji, B. Jouault, C. Consejo, D. K. Maude, J. Camassel, N. Camara, P. Godignon","submitted_at":"2011-06-29T12:28:54Z","abstract_excerpt":"We demonstrate that the carrier concentration of epitaxial graphene devices grown on the C-face of a SiC substrate is efficiently modulated by a buried gate. The gate is fabricated via the implantation of nitrogen atoms in the SiC crystal, 200 nm below the surface, and works well at intermediate temperatures: 40K-80K. The Dirac point is observed at moderate gate voltages (1-20V) depending upon the surface preparation. For temperatures below 40K, the gate is inefficient as the buried channel is frozen out. However, the carrier concentration in graphene remains very close to the value set at T\\s"},"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":"1106.5923","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-06-29T12:28:54Z","cross_cats_sorted":[],"title_canon_sha256":"9d9ec2e9a2563c7ef228a4e73aa7e00731a65b0d4f39c9dc0c35ecb47df2de24","abstract_canon_sha256":"023e1a2260d59c7bc740c3368a2afb4387683dc3813c9546e77b15365c435e5c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:18:23.130525Z","signature_b64":"fMwbljIbp4rro4ZTjHp1CmyprLHp1XmhbQJVkzXPnTyCyrpSY321IZTK3Di/KKELYLc3eptvsm7TuX66AqysCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4f56d1256bb5037dcb421e0227f3e4dd5154e6f9f1dfa453ddb17b61491fddf","last_reissued_at":"2026-05-18T04:18:23.130049Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:18:23.130049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bottom-gated epitaxial graphene suitable for half-integer quantum metrology ?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Caboni, B. Jabakhanji, B. Jouault, C. Consejo, D. K. Maude, J. Camassel, N. Camara, P. Godignon","submitted_at":"2011-06-29T12:28:54Z","abstract_excerpt":"We demonstrate that the carrier concentration of epitaxial graphene devices grown on the C-face of a SiC substrate is efficiently modulated by a buried gate. The gate is fabricated via the implantation of nitrogen atoms in the SiC crystal, 200 nm below the surface, and works well at intermediate temperatures: 40K-80K. The Dirac point is observed at moderate gate voltages (1-20V) depending upon the surface preparation. For temperatures below 40K, the gate is inefficient as the buried channel is frozen out. However, the carrier concentration in graphene remains very close to the value set at T\\s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.5923","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":"1106.5923","created_at":"2026-05-18T04:18:23.130114+00:00"},{"alias_kind":"arxiv_version","alias_value":"1106.5923v2","created_at":"2026-05-18T04:18:23.130114+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.5923","created_at":"2026-05-18T04:18:23.130114+00:00"},{"alias_kind":"pith_short_12","alias_value":"2T2W2ESWXNID","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"2T2W2ESWXNIDPXFU","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"2T2W2ESW","created_at":"2026-05-18T12:26:18.847500+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/2T2W2ESWXNIDPXFUEHQCE7Z6JX","json":"https://pith.science/pith/2T2W2ESWXNIDPXFUEHQCE7Z6JX.json","graph_json":"https://pith.science/api/pith-number/2T2W2ESWXNIDPXFUEHQCE7Z6JX/graph.json","events_json":"https://pith.science/api/pith-number/2T2W2ESWXNIDPXFUEHQCE7Z6JX/events.json","paper":"https://pith.science/paper/2T2W2ESW"},"agent_actions":{"view_html":"https://pith.science/pith/2T2W2ESWXNIDPXFUEHQCE7Z6JX","download_json":"https://pith.science/pith/2T2W2ESWXNIDPXFUEHQCE7Z6JX.json","view_paper":"https://pith.science/paper/2T2W2ESW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1106.5923&json=true","fetch_graph":"https://pith.science/api/pith-number/2T2W2ESWXNIDPXFUEHQCE7Z6JX/graph.json","fetch_events":"https://pith.science/api/pith-number/2T2W2ESWXNIDPXFUEHQCE7Z6JX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2T2W2ESWXNIDPXFUEHQCE7Z6JX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2T2W2ESWXNIDPXFUEHQCE7Z6JX/action/storage_attestation","attest_author":"https://pith.science/pith/2T2W2ESWXNIDPXFUEHQCE7Z6JX/action/author_attestation","sign_citation":"https://pith.science/pith/2T2W2ESWXNIDPXFUEHQCE7Z6JX/action/citation_signature","submit_replication":"https://pith.science/pith/2T2W2ESWXNIDPXFUEHQCE7Z6JX/action/replication_record"}},"created_at":"2026-05-18T04:18:23.130114+00:00","updated_at":"2026-05-18T04:18:23.130114+00:00"}