{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:FLXHTE2OKNC6QMTQCOTXSGS6MI","short_pith_number":"pith:FLXHTE2O","schema_version":"1.0","canonical_sha256":"2aee79934e5345e8327013a7791a5e621d457ee49d94360bd8e07dfd1ed1860a","source":{"kind":"arxiv","id":"2607.08253","version":1},"attestation_state":"computed","paper":{"title":"Nonlocal Electrostatic Origin of Schottky-Barrier Variability in 2D Contacts","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hangbo Zhou, Yong-Wei Zhang","submitted_at":"2026-07-09T08:58:40Z","abstract_excerpt":"Electrical contacts often limit the performance of atomically thin semiconductor devices. The Schottky barrier height (SBH) is conventionally treated as a local interface property, yet reported values for the same metal/2D-semiconductor contact vary by hundreds of meV. Here we show that, in top contacts, the effective SBH exhibits a pronounced nonlocal electrostatic dependence on defects near the contact edge, beyond the conventional local interface framework. A nonlocal electrostatic model, supported by density-functional-theory-based transport calculations for Ti--MoS$_2$ and Au--MoS$_2$, ca"},"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":"2607.08253","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-09T08:58:40Z","cross_cats_sorted":[],"title_canon_sha256":"e8cbaeb3cb87d046308ab202f5d69f1f22744e167bf2f0632d53b40d56f72022","abstract_canon_sha256":"879fe33876e45863a1fb7633ba2b39987dd586f44fcaf0536ab0be91d7fc9231"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-10T01:19:30.980303Z","signature_b64":"NxvsKcl3ZPjUXHplZ6gPanZ+FeZUt5vMreWBJ42RCxs846VLQPkINoslyVgGHL4VTdDngw4kX5ofVer5+4zWCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2aee79934e5345e8327013a7791a5e621d457ee49d94360bd8e07dfd1ed1860a","last_reissued_at":"2026-07-10T01:19:30.979915Z","signature_status":"signed_v1","first_computed_at":"2026-07-10T01:19:30.979915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonlocal Electrostatic Origin of Schottky-Barrier Variability in 2D Contacts","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Hangbo Zhou, Yong-Wei Zhang","submitted_at":"2026-07-09T08:58:40Z","abstract_excerpt":"Electrical contacts often limit the performance of atomically thin semiconductor devices. The Schottky barrier height (SBH) is conventionally treated as a local interface property, yet reported values for the same metal/2D-semiconductor contact vary by hundreds of meV. Here we show that, in top contacts, the effective SBH exhibits a pronounced nonlocal electrostatic dependence on defects near the contact edge, beyond the conventional local interface framework. A nonlocal electrostatic model, supported by density-functional-theory-based transport calculations for Ti--MoS$_2$ and Au--MoS$_2$, ca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.08253","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.08253/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2607.08253","created_at":"2026-07-10T01:19:30.979973+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.08253v1","created_at":"2026-07-10T01:19:30.979973+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.08253","created_at":"2026-07-10T01:19:30.979973+00:00"},{"alias_kind":"pith_short_12","alias_value":"FLXHTE2OKNC6","created_at":"2026-07-10T01:19:30.979973+00:00"},{"alias_kind":"pith_short_16","alias_value":"FLXHTE2OKNC6QMTQ","created_at":"2026-07-10T01:19:30.979973+00:00"},{"alias_kind":"pith_short_8","alias_value":"FLXHTE2O","created_at":"2026-07-10T01:19:30.979973+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/FLXHTE2OKNC6QMTQCOTXSGS6MI","json":"https://pith.science/pith/FLXHTE2OKNC6QMTQCOTXSGS6MI.json","graph_json":"https://pith.science/api/pith-number/FLXHTE2OKNC6QMTQCOTXSGS6MI/graph.json","events_json":"https://pith.science/api/pith-number/FLXHTE2OKNC6QMTQCOTXSGS6MI/events.json","paper":"https://pith.science/paper/FLXHTE2O"},"agent_actions":{"view_html":"https://pith.science/pith/FLXHTE2OKNC6QMTQCOTXSGS6MI","download_json":"https://pith.science/pith/FLXHTE2OKNC6QMTQCOTXSGS6MI.json","view_paper":"https://pith.science/paper/FLXHTE2O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.08253&json=true","fetch_graph":"https://pith.science/api/pith-number/FLXHTE2OKNC6QMTQCOTXSGS6MI/graph.json","fetch_events":"https://pith.science/api/pith-number/FLXHTE2OKNC6QMTQCOTXSGS6MI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FLXHTE2OKNC6QMTQCOTXSGS6MI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FLXHTE2OKNC6QMTQCOTXSGS6MI/action/storage_attestation","attest_author":"https://pith.science/pith/FLXHTE2OKNC6QMTQCOTXSGS6MI/action/author_attestation","sign_citation":"https://pith.science/pith/FLXHTE2OKNC6QMTQCOTXSGS6MI/action/citation_signature","submit_replication":"https://pith.science/pith/FLXHTE2OKNC6QMTQCOTXSGS6MI/action/replication_record"}},"created_at":"2026-07-10T01:19:30.979973+00:00","updated_at":"2026-07-10T01:19:30.979973+00:00"}