{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:FEH6KDAKXG3MPBZHWHQQIVRA7Y","short_pith_number":"pith:FEH6KDAK","schema_version":"1.0","canonical_sha256":"290fe50c0ab9b6c78727b1e1045620fe33ca8ed746ec82c2483ea489f15effcf","source":{"kind":"arxiv","id":"1510.08794","version":1},"attestation_state":"computed","paper":{"title":"Using atom probe tomography to understand Schottky barrier height pinning at the ZnO:Al / SiO2 / Si interface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Amanda Youssef, Austin Akey, Frank Schoofs, R. Jaramillo, Shriram Ramanathan, Tonio Buonassisi","submitted_at":"2015-10-29T17:41:56Z","abstract_excerpt":"We use electronic transport and atom probe tomography to study ZnO:Al / SiO2 / Si Schottky junctions on lightly-doped n- and p-type Si. We vary the carrier concentration in the the ZnO:Al films by two orders of magnitude but the Schottky barrier height remains constant, consistent with Fermi level pinning seen in metal / Si junctions. Atom probe tomography shows that Al segregates to the interface, so that the ZnO:Al at the junction is likely to be metallic even when the bulk of the ZnO:Al film is semiconducting. We hypothesize that Fermi level pinning is connected to the insulator-metal trans"},"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":"1510.08794","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-10-29T17:41:56Z","cross_cats_sorted":[],"title_canon_sha256":"d31eab20a1822fffd9d24da637bbf99476a3b6dde5ef851628f509d5664802a9","abstract_canon_sha256":"811f8eac0cf436dd2adbbbbe842c665e1667655824db82a9b33ec57d102769ab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:20.181943Z","signature_b64":"E/7Tf9KeJ5aGM7VSiJ4E+eORxodwcszKLtlZ821bCjCwRF5crCgiHIUJdlJv6+WBI66ZIMy2pgObiA1LFbnEAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"290fe50c0ab9b6c78727b1e1045620fe33ca8ed746ec82c2483ea489f15effcf","last_reissued_at":"2026-05-18T01:03:20.181367Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:20.181367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Using atom probe tomography to understand Schottky barrier height pinning at the ZnO:Al / SiO2 / Si interface","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Amanda Youssef, Austin Akey, Frank Schoofs, R. Jaramillo, Shriram Ramanathan, Tonio Buonassisi","submitted_at":"2015-10-29T17:41:56Z","abstract_excerpt":"We use electronic transport and atom probe tomography to study ZnO:Al / SiO2 / Si Schottky junctions on lightly-doped n- and p-type Si. We vary the carrier concentration in the the ZnO:Al films by two orders of magnitude but the Schottky barrier height remains constant, consistent with Fermi level pinning seen in metal / Si junctions. Atom probe tomography shows that Al segregates to the interface, so that the ZnO:Al at the junction is likely to be metallic even when the bulk of the ZnO:Al film is semiconducting. We hypothesize that Fermi level pinning is connected to the insulator-metal trans"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.08794","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":"1510.08794","created_at":"2026-05-18T01:03:20.181455+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.08794v1","created_at":"2026-05-18T01:03:20.181455+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.08794","created_at":"2026-05-18T01:03:20.181455+00:00"},{"alias_kind":"pith_short_12","alias_value":"FEH6KDAKXG3M","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_16","alias_value":"FEH6KDAKXG3MPBZH","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_8","alias_value":"FEH6KDAK","created_at":"2026-05-18T12:29:19.899920+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/FEH6KDAKXG3MPBZHWHQQIVRA7Y","json":"https://pith.science/pith/FEH6KDAKXG3MPBZHWHQQIVRA7Y.json","graph_json":"https://pith.science/api/pith-number/FEH6KDAKXG3MPBZHWHQQIVRA7Y/graph.json","events_json":"https://pith.science/api/pith-number/FEH6KDAKXG3MPBZHWHQQIVRA7Y/events.json","paper":"https://pith.science/paper/FEH6KDAK"},"agent_actions":{"view_html":"https://pith.science/pith/FEH6KDAKXG3MPBZHWHQQIVRA7Y","download_json":"https://pith.science/pith/FEH6KDAKXG3MPBZHWHQQIVRA7Y.json","view_paper":"https://pith.science/paper/FEH6KDAK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.08794&json=true","fetch_graph":"https://pith.science/api/pith-number/FEH6KDAKXG3MPBZHWHQQIVRA7Y/graph.json","fetch_events":"https://pith.science/api/pith-number/FEH6KDAKXG3MPBZHWHQQIVRA7Y/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FEH6KDAKXG3MPBZHWHQQIVRA7Y/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FEH6KDAKXG3MPBZHWHQQIVRA7Y/action/storage_attestation","attest_author":"https://pith.science/pith/FEH6KDAKXG3MPBZHWHQQIVRA7Y/action/author_attestation","sign_citation":"https://pith.science/pith/FEH6KDAKXG3MPBZHWHQQIVRA7Y/action/citation_signature","submit_replication":"https://pith.science/pith/FEH6KDAKXG3MPBZHWHQQIVRA7Y/action/replication_record"}},"created_at":"2026-05-18T01:03:20.181455+00:00","updated_at":"2026-05-18T01:03:20.181455+00:00"}