{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:VGORJK5KJVXSHZNKYU6UULQQFD","short_pith_number":"pith:VGORJK5K","schema_version":"1.0","canonical_sha256":"a99d14abaa4d6f23e5aac53d4a2e1028cf4bceafbb571a75b26ea6d63f838bc9","source":{"kind":"arxiv","id":"1009.5974","version":1},"attestation_state":"computed","paper":{"title":"Surface dangling bond states and band-lineups in hydrogen-terminated Si, Ge, and Ge/Si nanowires","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"H. Chacham, R. Kagimura, R. W. Nunes","submitted_at":"2010-09-29T19:08:35Z","abstract_excerpt":"We report an ab initio study of the electronic properties of surface dangling-bond (SDB) states in hydrogen-terminated Si and Ge nanowires with diameters between 1 and 2 nm, Ge/Si nanowire heterostructures, and Si and Ge (111) surfaces. We find that the charge transition levels e(+/-) of SDB states behave as a common energy reference among Si and Ge wires and Si/Ge heterostructures, at 4.3 +/- 0.1 eV below the vacuum level. Calculations of e(+/-) for isolated atoms indicate that this nearly constant value is a periodic-table atomic property."},"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":"1009.5974","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-09-29T19:08:35Z","cross_cats_sorted":[],"title_canon_sha256":"e01a82c5a59ea588bdb9d175cfd6568e756440b2a91bdddfac5277bede7f4bdb","abstract_canon_sha256":"d8648a0feb6d00a23b91818ddfa5ed9a3bc3e1f3de3df058173262c12253596a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:40:08.503787Z","signature_b64":"OAJ0bUjvYrk6HW8Vz2PtbnLRGd+6cd4SyqMntpPYZx3RrfD7csFPWSxi10mBpXiAQL4KlbbpuFyvuI8konOECg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a99d14abaa4d6f23e5aac53d4a2e1028cf4bceafbb571a75b26ea6d63f838bc9","last_reissued_at":"2026-05-18T04:40:08.501904Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:40:08.501904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Surface dangling bond states and band-lineups in hydrogen-terminated Si, Ge, and Ge/Si nanowires","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"H. Chacham, R. Kagimura, R. W. Nunes","submitted_at":"2010-09-29T19:08:35Z","abstract_excerpt":"We report an ab initio study of the electronic properties of surface dangling-bond (SDB) states in hydrogen-terminated Si and Ge nanowires with diameters between 1 and 2 nm, Ge/Si nanowire heterostructures, and Si and Ge (111) surfaces. We find that the charge transition levels e(+/-) of SDB states behave as a common energy reference among Si and Ge wires and Si/Ge heterostructures, at 4.3 +/- 0.1 eV below the vacuum level. Calculations of e(+/-) for isolated atoms indicate that this nearly constant value is a periodic-table atomic property."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.5974","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":"1009.5974","created_at":"2026-05-18T04:40:08.501994+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.5974v1","created_at":"2026-05-18T04:40:08.501994+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.5974","created_at":"2026-05-18T04:40:08.501994+00:00"},{"alias_kind":"pith_short_12","alias_value":"VGORJK5KJVXS","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"VGORJK5KJVXSHZNK","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"VGORJK5K","created_at":"2026-05-18T12:26:15.391820+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/VGORJK5KJVXSHZNKYU6UULQQFD","json":"https://pith.science/pith/VGORJK5KJVXSHZNKYU6UULQQFD.json","graph_json":"https://pith.science/api/pith-number/VGORJK5KJVXSHZNKYU6UULQQFD/graph.json","events_json":"https://pith.science/api/pith-number/VGORJK5KJVXSHZNKYU6UULQQFD/events.json","paper":"https://pith.science/paper/VGORJK5K"},"agent_actions":{"view_html":"https://pith.science/pith/VGORJK5KJVXSHZNKYU6UULQQFD","download_json":"https://pith.science/pith/VGORJK5KJVXSHZNKYU6UULQQFD.json","view_paper":"https://pith.science/paper/VGORJK5K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.5974&json=true","fetch_graph":"https://pith.science/api/pith-number/VGORJK5KJVXSHZNKYU6UULQQFD/graph.json","fetch_events":"https://pith.science/api/pith-number/VGORJK5KJVXSHZNKYU6UULQQFD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VGORJK5KJVXSHZNKYU6UULQQFD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VGORJK5KJVXSHZNKYU6UULQQFD/action/storage_attestation","attest_author":"https://pith.science/pith/VGORJK5KJVXSHZNKYU6UULQQFD/action/author_attestation","sign_citation":"https://pith.science/pith/VGORJK5KJVXSHZNKYU6UULQQFD/action/citation_signature","submit_replication":"https://pith.science/pith/VGORJK5KJVXSHZNKYU6UULQQFD/action/replication_record"}},"created_at":"2026-05-18T04:40:08.501994+00:00","updated_at":"2026-05-18T04:40:08.501994+00:00"}