{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:QJTMIEUK2MHQN64LRZ666CUWBC","short_pith_number":"pith:QJTMIEUK","schema_version":"1.0","canonical_sha256":"8266c4128ad30f06fb8b8e7def0a96088946315496feae9bad5ff85b871e9911","source":{"kind":"arxiv","id":"2205.13965","version":1},"attestation_state":"computed","paper":{"title":"Catalytic growth of ultralong graphene nanoribbons on insulating substrates","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Aolin Deng, Bosai Lyu, Can Li, Cheng Hu, Feng Ding, Izaac Mitchell, Jiajun Chen, Jinfeng Jia, Jingxu Xie, Kenji Watanabe, Lu Qiu, Michael Urbakh, Oded Hod, Peiyue Shen, Qi Liang, Saiqun Ma, Shiyong Wang, Shuo Lou, Takashi Taniguchi, Tongyao Wu, Wengen Ouyang, Xianliang Zhou, Xiaoqun Wang, Zhenghan Wu, Zhiwen Shi","submitted_at":"2022-05-27T13:24:55Z","abstract_excerpt":"Graphene nanoribbons (GNRs) with widths of a few nanometres are promising candidates for future nano-electronic applications due to their structurally tunable bandgaps, ultrahigh carrier mobilities, and exceptional stability. However, the direct growth of micrometre-long GNRs on insulating substrates, which is essential for the fabrication of nano-electronic devices, remains an immense challenge. Here, we report the epitaxial growth of GNRs on an insulating hexagonal boron nitride (h-BN) substrate through nanoparticle-catalysed chemical vapor deposition (CVD). Ultra-narrow GNRs with lengths of"},"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":"2205.13965","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-05-27T13:24:55Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"16ae9eaaddef01ba504c928b9d7c0800fad4d7b830c3641c65ea6b1a221d9fe1","abstract_canon_sha256":"5d4a546a3b473b59bbb3a30a4afbbd2e2f7e6e8cc4cfb9645fbff208328f0ad9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:26:54.376748Z","signature_b64":"ycX0q87l1k1Dvk8pJ7Drnz27SLsOd1y7wm6bb3XTUdVp0ANtn4jAXZw1j+y4cqWaEczMP6FuUmGSNF61GLLoBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8266c4128ad30f06fb8b8e7def0a96088946315496feae9bad5ff85b871e9911","last_reissued_at":"2026-07-05T04:26:54.376325Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:26:54.376325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Catalytic growth of ultralong graphene nanoribbons on insulating substrates","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Aolin Deng, Bosai Lyu, Can Li, Cheng Hu, Feng Ding, Izaac Mitchell, Jiajun Chen, Jinfeng Jia, Jingxu Xie, Kenji Watanabe, Lu Qiu, Michael Urbakh, Oded Hod, Peiyue Shen, Qi Liang, Saiqun Ma, Shiyong Wang, Shuo Lou, Takashi Taniguchi, Tongyao Wu, Wengen Ouyang, Xianliang Zhou, Xiaoqun Wang, Zhenghan Wu, Zhiwen Shi","submitted_at":"2022-05-27T13:24:55Z","abstract_excerpt":"Graphene nanoribbons (GNRs) with widths of a few nanometres are promising candidates for future nano-electronic applications due to their structurally tunable bandgaps, ultrahigh carrier mobilities, and exceptional stability. However, the direct growth of micrometre-long GNRs on insulating substrates, which is essential for the fabrication of nano-electronic devices, remains an immense challenge. Here, we report the epitaxial growth of GNRs on an insulating hexagonal boron nitride (h-BN) substrate through nanoparticle-catalysed chemical vapor deposition (CVD). Ultra-narrow GNRs with lengths of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.13965","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/2205.13965/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":"2205.13965","created_at":"2026-07-05T04:26:54.376380+00:00"},{"alias_kind":"arxiv_version","alias_value":"2205.13965v1","created_at":"2026-07-05T04:26:54.376380+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.13965","created_at":"2026-07-05T04:26:54.376380+00:00"},{"alias_kind":"pith_short_12","alias_value":"QJTMIEUK2MHQ","created_at":"2026-07-05T04:26:54.376380+00:00"},{"alias_kind":"pith_short_16","alias_value":"QJTMIEUK2MHQN64L","created_at":"2026-07-05T04:26:54.376380+00:00"},{"alias_kind":"pith_short_8","alias_value":"QJTMIEUK","created_at":"2026-07-05T04:26:54.376380+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/QJTMIEUK2MHQN64LRZ666CUWBC","json":"https://pith.science/pith/QJTMIEUK2MHQN64LRZ666CUWBC.json","graph_json":"https://pith.science/api/pith-number/QJTMIEUK2MHQN64LRZ666CUWBC/graph.json","events_json":"https://pith.science/api/pith-number/QJTMIEUK2MHQN64LRZ666CUWBC/events.json","paper":"https://pith.science/paper/QJTMIEUK"},"agent_actions":{"view_html":"https://pith.science/pith/QJTMIEUK2MHQN64LRZ666CUWBC","download_json":"https://pith.science/pith/QJTMIEUK2MHQN64LRZ666CUWBC.json","view_paper":"https://pith.science/paper/QJTMIEUK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2205.13965&json=true","fetch_graph":"https://pith.science/api/pith-number/QJTMIEUK2MHQN64LRZ666CUWBC/graph.json","fetch_events":"https://pith.science/api/pith-number/QJTMIEUK2MHQN64LRZ666CUWBC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QJTMIEUK2MHQN64LRZ666CUWBC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QJTMIEUK2MHQN64LRZ666CUWBC/action/storage_attestation","attest_author":"https://pith.science/pith/QJTMIEUK2MHQN64LRZ666CUWBC/action/author_attestation","sign_citation":"https://pith.science/pith/QJTMIEUK2MHQN64LRZ666CUWBC/action/citation_signature","submit_replication":"https://pith.science/pith/QJTMIEUK2MHQN64LRZ666CUWBC/action/replication_record"}},"created_at":"2026-07-05T04:26:54.376380+00:00","updated_at":"2026-07-05T04:26:54.376380+00:00"}