{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:EPVJEXZZJ7CTWRWXRXFT36ICIK","short_pith_number":"pith:EPVJEXZZ","schema_version":"1.0","canonical_sha256":"23ea925f394fc53b46d78dcb3df902429869202823882eb00cfa2c50306b1283","source":{"kind":"arxiv","id":"2307.06477","version":1},"attestation_state":"computed","paper":{"title":"Surface-Confined Two-Dimensional Crystal Growth on a Monolayer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Ayelet July Uzan, Fang Yuan, Guangming Cheng, Guo Yu, Kenji Watanabe, Leslie M Schoop, Michael Onyszczak, Nan Yao, Pengjie Wang, Ratnadwip Singha, Sanfeng Wu, Takashi Taniguchi, Tiancheng Song, Yanyu Jia, Yue Tang","submitted_at":"2023-07-12T22:19:05Z","abstract_excerpt":"Conventional vapor deposition or epitaxial growth of two-dimensional (2D) materials and heterostructures is conducted in a large chamber in which masses transport from the source to the substrate. Here we report a chamber-free, on-chip approach for growing a 2D crystalline structures directly in a nanoscale surface-confined 2D space. The method is based on a surprising discovery of a rapid, long-distance, non-Fickian transport of a uniform layer of atomically thin palladium (Pd) on a monolayer crystal of tungsten ditelluride (WTe2), at temperatures well below the known melting points of all ma"},"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":"2307.06477","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-07-12T22:19:05Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"2b131bfa3828190fea8755402511bf6b26f23558f09b8a7b1648c7930f501391","abstract_canon_sha256":"6f2635700e8c077683636e28f33e17734d1aa12a8e0600950d3a71acb24b8e80"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:35:38.387773Z","signature_b64":"dTUjgYQMqhF2yX+4lBLlbk7cKWIt70GT1RtDl4jbdvbwcKtyP47Mbhl7SVSkeBk290OT80P9xSusMPhgPuK9AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23ea925f394fc53b46d78dcb3df902429869202823882eb00cfa2c50306b1283","last_reissued_at":"2026-07-05T07:35:38.387291Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:35:38.387291Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Surface-Confined Two-Dimensional Crystal Growth on a Monolayer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Ayelet July Uzan, Fang Yuan, Guangming Cheng, Guo Yu, Kenji Watanabe, Leslie M Schoop, Michael Onyszczak, Nan Yao, Pengjie Wang, Ratnadwip Singha, Sanfeng Wu, Takashi Taniguchi, Tiancheng Song, Yanyu Jia, Yue Tang","submitted_at":"2023-07-12T22:19:05Z","abstract_excerpt":"Conventional vapor deposition or epitaxial growth of two-dimensional (2D) materials and heterostructures is conducted in a large chamber in which masses transport from the source to the substrate. Here we report a chamber-free, on-chip approach for growing a 2D crystalline structures directly in a nanoscale surface-confined 2D space. The method is based on a surprising discovery of a rapid, long-distance, non-Fickian transport of a uniform layer of atomically thin palladium (Pd) on a monolayer crystal of tungsten ditelluride (WTe2), at temperatures well below the known melting points of all ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.06477","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/2307.06477/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":"2307.06477","created_at":"2026-07-05T07:35:38.387357+00:00"},{"alias_kind":"arxiv_version","alias_value":"2307.06477v1","created_at":"2026-07-05T07:35:38.387357+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.06477","created_at":"2026-07-05T07:35:38.387357+00:00"},{"alias_kind":"pith_short_12","alias_value":"EPVJEXZZJ7CT","created_at":"2026-07-05T07:35:38.387357+00:00"},{"alias_kind":"pith_short_16","alias_value":"EPVJEXZZJ7CTWRWX","created_at":"2026-07-05T07:35:38.387357+00:00"},{"alias_kind":"pith_short_8","alias_value":"EPVJEXZZ","created_at":"2026-07-05T07:35:38.387357+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/EPVJEXZZJ7CTWRWXRXFT36ICIK","json":"https://pith.science/pith/EPVJEXZZJ7CTWRWXRXFT36ICIK.json","graph_json":"https://pith.science/api/pith-number/EPVJEXZZJ7CTWRWXRXFT36ICIK/graph.json","events_json":"https://pith.science/api/pith-number/EPVJEXZZJ7CTWRWXRXFT36ICIK/events.json","paper":"https://pith.science/paper/EPVJEXZZ"},"agent_actions":{"view_html":"https://pith.science/pith/EPVJEXZZJ7CTWRWXRXFT36ICIK","download_json":"https://pith.science/pith/EPVJEXZZJ7CTWRWXRXFT36ICIK.json","view_paper":"https://pith.science/paper/EPVJEXZZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2307.06477&json=true","fetch_graph":"https://pith.science/api/pith-number/EPVJEXZZJ7CTWRWXRXFT36ICIK/graph.json","fetch_events":"https://pith.science/api/pith-number/EPVJEXZZJ7CTWRWXRXFT36ICIK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EPVJEXZZJ7CTWRWXRXFT36ICIK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EPVJEXZZJ7CTWRWXRXFT36ICIK/action/storage_attestation","attest_author":"https://pith.science/pith/EPVJEXZZJ7CTWRWXRXFT36ICIK/action/author_attestation","sign_citation":"https://pith.science/pith/EPVJEXZZJ7CTWRWXRXFT36ICIK/action/citation_signature","submit_replication":"https://pith.science/pith/EPVJEXZZJ7CTWRWXRXFT36ICIK/action/replication_record"}},"created_at":"2026-07-05T07:35:38.387357+00:00","updated_at":"2026-07-05T07:35:38.387357+00:00"}