{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:BYDD3IFRH7336H4M3GFEICKSCP","short_pith_number":"pith:BYDD3IFR","schema_version":"1.0","canonical_sha256":"0e063da0b13ff7bf1f8cd98a44095213e5d721a1576574cee3ef598543819ec8","source":{"kind":"arxiv","id":"2502.11076","version":1},"attestation_state":"computed","paper":{"title":"Imaging current flow and injection in scalable graphene devices through NV-magnetometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.app-ph","physics.ins-det","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Abbas Mohtashami, Clara I. Osorio, Gabriele Bulgarini, Kaj Dockx, Leon van Dooren, Michele Buscema, Richard van Rijn, Saravana Kumar, Tijmen van Ree, Toeno van der Sar","submitted_at":"2025-02-16T10:52:48Z","abstract_excerpt":"The global electronic properties of solid-state devices are strongly affected by the microscopic spatial paths of charge carriers. Visualising these paths in novel devices produced by scalable processes would provide a quality assessment method that can propel the device performance metrics towards commercial use. Here, we use high-resolution nitrogen-vacancy (NV) magnetometry to visualise the charge flow in gold-contacted, single-layer graphene devices produced by scalable methods. Modulating the majority carrier type via field effect reveals a strong asymmetry between the spatial current dis"},"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":"2502.11076","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-02-16T10:52:48Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.app-ph","physics.ins-det","quant-ph"],"title_canon_sha256":"7d7513ced78ba2033d457fc8cf8dd696264864a6655f4efe1919b96f02c2cbec","abstract_canon_sha256":"4c17715b1c025577900b649300b287373a1ee9108987389e9209f08b36d4a470"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:15:03.441447Z","signature_b64":"lJ8Cvte+sxrif3fmI3PoweYA/rRZBM+o743dMDDR7E/83nGvMIXfWBcWpo72HR/l9lFA1a4GMZu3VcvW71dxDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e063da0b13ff7bf1f8cd98a44095213e5d721a1576574cee3ef598543819ec8","last_reissued_at":"2026-07-05T10:15:03.440939Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:15:03.440939Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Imaging current flow and injection in scalable graphene devices through NV-magnetometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.app-ph","physics.ins-det","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Abbas Mohtashami, Clara I. Osorio, Gabriele Bulgarini, Kaj Dockx, Leon van Dooren, Michele Buscema, Richard van Rijn, Saravana Kumar, Tijmen van Ree, Toeno van der Sar","submitted_at":"2025-02-16T10:52:48Z","abstract_excerpt":"The global electronic properties of solid-state devices are strongly affected by the microscopic spatial paths of charge carriers. Visualising these paths in novel devices produced by scalable processes would provide a quality assessment method that can propel the device performance metrics towards commercial use. Here, we use high-resolution nitrogen-vacancy (NV) magnetometry to visualise the charge flow in gold-contacted, single-layer graphene devices produced by scalable methods. Modulating the majority carrier type via field effect reveals a strong asymmetry between the spatial current dis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.11076","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/2502.11076/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":"2502.11076","created_at":"2026-07-05T10:15:03.441001+00:00"},{"alias_kind":"arxiv_version","alias_value":"2502.11076v1","created_at":"2026-07-05T10:15:03.441001+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.11076","created_at":"2026-07-05T10:15:03.441001+00:00"},{"alias_kind":"pith_short_12","alias_value":"BYDD3IFRH733","created_at":"2026-07-05T10:15:03.441001+00:00"},{"alias_kind":"pith_short_16","alias_value":"BYDD3IFRH7336H4M","created_at":"2026-07-05T10:15:03.441001+00:00"},{"alias_kind":"pith_short_8","alias_value":"BYDD3IFR","created_at":"2026-07-05T10:15:03.441001+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/BYDD3IFRH7336H4M3GFEICKSCP","json":"https://pith.science/pith/BYDD3IFRH7336H4M3GFEICKSCP.json","graph_json":"https://pith.science/api/pith-number/BYDD3IFRH7336H4M3GFEICKSCP/graph.json","events_json":"https://pith.science/api/pith-number/BYDD3IFRH7336H4M3GFEICKSCP/events.json","paper":"https://pith.science/paper/BYDD3IFR"},"agent_actions":{"view_html":"https://pith.science/pith/BYDD3IFRH7336H4M3GFEICKSCP","download_json":"https://pith.science/pith/BYDD3IFRH7336H4M3GFEICKSCP.json","view_paper":"https://pith.science/paper/BYDD3IFR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2502.11076&json=true","fetch_graph":"https://pith.science/api/pith-number/BYDD3IFRH7336H4M3GFEICKSCP/graph.json","fetch_events":"https://pith.science/api/pith-number/BYDD3IFRH7336H4M3GFEICKSCP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BYDD3IFRH7336H4M3GFEICKSCP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BYDD3IFRH7336H4M3GFEICKSCP/action/storage_attestation","attest_author":"https://pith.science/pith/BYDD3IFRH7336H4M3GFEICKSCP/action/author_attestation","sign_citation":"https://pith.science/pith/BYDD3IFRH7336H4M3GFEICKSCP/action/citation_signature","submit_replication":"https://pith.science/pith/BYDD3IFRH7336H4M3GFEICKSCP/action/replication_record"}},"created_at":"2026-07-05T10:15:03.441001+00:00","updated_at":"2026-07-05T10:15:03.441001+00:00"}