{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:XVNK3XCHMWUYZ66B6WMQPMJDOT","short_pith_number":"pith:XVNK3XCH","schema_version":"1.0","canonical_sha256":"bd5aaddc4765a98cfbc1f59907b12374c7050f090d1691ea3c45a2aa1084223f","source":{"kind":"arxiv","id":"1309.3226","version":1},"attestation_state":"computed","paper":{"title":"Giant Quasiparticle Bandgap Modulation in Graphene Nanoribbons Supported on Weakly Interacting Surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gerhard Klimeck, Mathieu Luisier, Neerav Kharche, Paul Kohl, Pulickel M. Ajayan, Saroj K.Nayak, Timothy B. Boykin, Xueping Jiang","submitted_at":"2013-09-12T17:36:48Z","abstract_excerpt":"In general, there are two major factors affecting bandgaps in nanostructures: (i) the enhanced electron-electron interactions due to confinement and (ii) the modified self-energy of electrons due to the dielectric screening. While recent theoretical studies on graphene nanoribbons (GNRs) report on the first effect, the effect of dielectric screening from the surrounding materials such as substrates has not been thoroughly investigated. Using large-scale electronic structure calculations based on the GW approach, we show that when GNRs are deposited on substrates, bandgaps get strongly suppress"},"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":"1309.3226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-12T17:36:48Z","cross_cats_sorted":[],"title_canon_sha256":"f4a2ccf80c68b8ed6d1f19ee0885d53417371dbe9c9970e70fe969cc41807657","abstract_canon_sha256":"62ed725cf5b54e3253bfa45ecb248d62db3fcb1bd9190b0ee75e5eebab1e0034"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:12:21.746456Z","signature_b64":"Lp+gD/g7TJyxVYzj0fNlSZ90RbjV5uPgf9qLwQy9qoYVRU1ngxL0eaVJeiw0wyJ7aOzT+dX1Dnh2OllV7yQyCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bd5aaddc4765a98cfbc1f59907b12374c7050f090d1691ea3c45a2aa1084223f","last_reissued_at":"2026-05-18T03:12:21.745599Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:12:21.745599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Giant Quasiparticle Bandgap Modulation in Graphene Nanoribbons Supported on Weakly Interacting Surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gerhard Klimeck, Mathieu Luisier, Neerav Kharche, Paul Kohl, Pulickel M. Ajayan, Saroj K.Nayak, Timothy B. Boykin, Xueping Jiang","submitted_at":"2013-09-12T17:36:48Z","abstract_excerpt":"In general, there are two major factors affecting bandgaps in nanostructures: (i) the enhanced electron-electron interactions due to confinement and (ii) the modified self-energy of electrons due to the dielectric screening. While recent theoretical studies on graphene nanoribbons (GNRs) report on the first effect, the effect of dielectric screening from the surrounding materials such as substrates has not been thoroughly investigated. Using large-scale electronic structure calculations based on the GW approach, we show that when GNRs are deposited on substrates, bandgaps get strongly suppress"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3226","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":"1309.3226","created_at":"2026-05-18T03:12:21.745719+00:00"},{"alias_kind":"arxiv_version","alias_value":"1309.3226v1","created_at":"2026-05-18T03:12:21.745719+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3226","created_at":"2026-05-18T03:12:21.745719+00:00"},{"alias_kind":"pith_short_12","alias_value":"XVNK3XCHMWUY","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_16","alias_value":"XVNK3XCHMWUYZ66B","created_at":"2026-05-18T12:28:06.772260+00:00"},{"alias_kind":"pith_short_8","alias_value":"XVNK3XCH","created_at":"2026-05-18T12:28:06.772260+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/XVNK3XCHMWUYZ66B6WMQPMJDOT","json":"https://pith.science/pith/XVNK3XCHMWUYZ66B6WMQPMJDOT.json","graph_json":"https://pith.science/api/pith-number/XVNK3XCHMWUYZ66B6WMQPMJDOT/graph.json","events_json":"https://pith.science/api/pith-number/XVNK3XCHMWUYZ66B6WMQPMJDOT/events.json","paper":"https://pith.science/paper/XVNK3XCH"},"agent_actions":{"view_html":"https://pith.science/pith/XVNK3XCHMWUYZ66B6WMQPMJDOT","download_json":"https://pith.science/pith/XVNK3XCHMWUYZ66B6WMQPMJDOT.json","view_paper":"https://pith.science/paper/XVNK3XCH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1309.3226&json=true","fetch_graph":"https://pith.science/api/pith-number/XVNK3XCHMWUYZ66B6WMQPMJDOT/graph.json","fetch_events":"https://pith.science/api/pith-number/XVNK3XCHMWUYZ66B6WMQPMJDOT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XVNK3XCHMWUYZ66B6WMQPMJDOT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XVNK3XCHMWUYZ66B6WMQPMJDOT/action/storage_attestation","attest_author":"https://pith.science/pith/XVNK3XCHMWUYZ66B6WMQPMJDOT/action/author_attestation","sign_citation":"https://pith.science/pith/XVNK3XCHMWUYZ66B6WMQPMJDOT/action/citation_signature","submit_replication":"https://pith.science/pith/XVNK3XCHMWUYZ66B6WMQPMJDOT/action/replication_record"}},"created_at":"2026-05-18T03:12:21.745719+00:00","updated_at":"2026-05-18T03:12:21.745719+00:00"}