{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:NV5ZNB6O2BOUZK523LZV4MZZQR","short_pith_number":"pith:NV5ZNB6O","schema_version":"1.0","canonical_sha256":"6d7b9687ced05d4cabbadaf35e333984430477e30485e942d44fc27e95e5a43c","source":{"kind":"arxiv","id":"1603.08724","version":1},"attestation_state":"computed","paper":{"title":"Band gap engineering by Bi intercalation of graphene on Ir(111)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Albert Bruix, Alexander A. Khajetoorians, Bj{\\o}rk Hammer, Jens Wiebe, Jonas Warmuth, Marco Bianchi, Matteo Michiardi, Philip Hofmann, Roland Wiesendanger, Torben H\\\"anke","submitted_at":"2016-03-29T11:06:47Z","abstract_excerpt":"We report on the structural and electronic properties of a single bismuth layer intercalated underneath a graphene layer grown on an Ir(111) single crystal. Scanning tunneling microscopy (STM) reveals a hexagonal surface structure and a dislocation network upon Bi intercalation, which we attribute to a $\\sqrt{3}\\times\\sqrt{3}R30{\\deg}$ Bi structure on the underlying Ir(111) surface. Ab-initio calculations show that this Bi structure is the most energetically favorable, and also illustrate that STM measurements are most sensitive to C atoms in close proximity to intercalated Bi atoms. Additiona"},"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":"1603.08724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-29T11:06:47Z","cross_cats_sorted":[],"title_canon_sha256":"8934ce4e95f7e88b393cb9bfd1c368a3c3f289f001ec19afaeed75efc66a7194","abstract_canon_sha256":"d80145665a1b65ccce9b6f66ab5804e54c5c67df070511f3971d45d845df56a2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:53.508221Z","signature_b64":"mmw0HpYZpRYObq41H5fsUpW0iZk/crhkkCt5W1Z/gpMOwOZZHtHJKggXQye1zn5/xXjZOl9cF+Jsk1VAyGagDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d7b9687ced05d4cabbadaf35e333984430477e30485e942d44fc27e95e5a43c","last_reissued_at":"2026-05-18T01:13:53.507569Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:53.507569Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Band gap engineering by Bi intercalation of graphene on Ir(111)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Albert Bruix, Alexander A. Khajetoorians, Bj{\\o}rk Hammer, Jens Wiebe, Jonas Warmuth, Marco Bianchi, Matteo Michiardi, Philip Hofmann, Roland Wiesendanger, Torben H\\\"anke","submitted_at":"2016-03-29T11:06:47Z","abstract_excerpt":"We report on the structural and electronic properties of a single bismuth layer intercalated underneath a graphene layer grown on an Ir(111) single crystal. Scanning tunneling microscopy (STM) reveals a hexagonal surface structure and a dislocation network upon Bi intercalation, which we attribute to a $\\sqrt{3}\\times\\sqrt{3}R30{\\deg}$ Bi structure on the underlying Ir(111) surface. Ab-initio calculations show that this Bi structure is the most energetically favorable, and also illustrate that STM measurements are most sensitive to C atoms in close proximity to intercalated Bi atoms. Additiona"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.08724","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":"1603.08724","created_at":"2026-05-18T01:13:53.507675+00:00"},{"alias_kind":"arxiv_version","alias_value":"1603.08724v1","created_at":"2026-05-18T01:13:53.507675+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.08724","created_at":"2026-05-18T01:13:53.507675+00:00"},{"alias_kind":"pith_short_12","alias_value":"NV5ZNB6O2BOU","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_16","alias_value":"NV5ZNB6O2BOUZK52","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_8","alias_value":"NV5ZNB6O","created_at":"2026-05-18T12:30:36.002864+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/NV5ZNB6O2BOUZK523LZV4MZZQR","json":"https://pith.science/pith/NV5ZNB6O2BOUZK523LZV4MZZQR.json","graph_json":"https://pith.science/api/pith-number/NV5ZNB6O2BOUZK523LZV4MZZQR/graph.json","events_json":"https://pith.science/api/pith-number/NV5ZNB6O2BOUZK523LZV4MZZQR/events.json","paper":"https://pith.science/paper/NV5ZNB6O"},"agent_actions":{"view_html":"https://pith.science/pith/NV5ZNB6O2BOUZK523LZV4MZZQR","download_json":"https://pith.science/pith/NV5ZNB6O2BOUZK523LZV4MZZQR.json","view_paper":"https://pith.science/paper/NV5ZNB6O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1603.08724&json=true","fetch_graph":"https://pith.science/api/pith-number/NV5ZNB6O2BOUZK523LZV4MZZQR/graph.json","fetch_events":"https://pith.science/api/pith-number/NV5ZNB6O2BOUZK523LZV4MZZQR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NV5ZNB6O2BOUZK523LZV4MZZQR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NV5ZNB6O2BOUZK523LZV4MZZQR/action/storage_attestation","attest_author":"https://pith.science/pith/NV5ZNB6O2BOUZK523LZV4MZZQR/action/author_attestation","sign_citation":"https://pith.science/pith/NV5ZNB6O2BOUZK523LZV4MZZQR/action/citation_signature","submit_replication":"https://pith.science/pith/NV5ZNB6O2BOUZK523LZV4MZZQR/action/replication_record"}},"created_at":"2026-05-18T01:13:53.507675+00:00","updated_at":"2026-05-18T01:13:53.507675+00:00"}