{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:AAKMJOWB72VKAATMFIRYWOUTMF","short_pith_number":"pith:AAKMJOWB","schema_version":"1.0","canonical_sha256":"0014c4bac1feaaa0026c2a238b3a936165f78a0691ed4c3432434cae90f2e2b1","source":{"kind":"arxiv","id":"1304.6844","version":1},"attestation_state":"computed","paper":{"title":"A ballistic pn junction in suspended graphene with split bottom gates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alberto F. Morpurgo, Anya L. Grushina, Dong-Keun Ki","submitted_at":"2013-04-25T09:32:05Z","abstract_excerpt":"We have developed a process to fabricate suspended graphene devices with local bottom gates, and tested it by realizing electrostatically controlled pn junctions on a suspended graphene mono-layer nearly 2 micrometers long. Measurements as a function of gate voltage, magnetic field, bias, and temperature exhibit characteristic Fabry-Perot oscillations in the cavities formed by the pn junction and each of the contacts, with transport occurring in the ballistic regime. Our results demonstrate the possibility to achieve a high degree of control on the local electronic properties of ultra-clean su"},"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":"1304.6844","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-25T09:32:05Z","cross_cats_sorted":[],"title_canon_sha256":"9e1c487a828ebd9b3de877f56ea624cda0ced8c646c04a3c2941debd230a57c2","abstract_canon_sha256":"92cc7d76fa0082483184a4fa02688d7da0efd7c891400e31d333e90f3655ff4c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:47.627243Z","signature_b64":"aMuJXI3qIRvuGl3XJ4WgaU5mTm++Um7RCIuNRqGwvO+YfQ1N3IRBw0IQKo4/mAr07t4jFb87Qnbp7AKFt7cmCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0014c4bac1feaaa0026c2a238b3a936165f78a0691ed4c3432434cae90f2e2b1","last_reissued_at":"2026-05-18T03:20:47.626472Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:47.626472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A ballistic pn junction in suspended graphene with split bottom gates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alberto F. Morpurgo, Anya L. Grushina, Dong-Keun Ki","submitted_at":"2013-04-25T09:32:05Z","abstract_excerpt":"We have developed a process to fabricate suspended graphene devices with local bottom gates, and tested it by realizing electrostatically controlled pn junctions on a suspended graphene mono-layer nearly 2 micrometers long. Measurements as a function of gate voltage, magnetic field, bias, and temperature exhibit characteristic Fabry-Perot oscillations in the cavities formed by the pn junction and each of the contacts, with transport occurring in the ballistic regime. Our results demonstrate the possibility to achieve a high degree of control on the local electronic properties of ultra-clean su"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6844","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":"1304.6844","created_at":"2026-05-18T03:20:47.626616+00:00"},{"alias_kind":"arxiv_version","alias_value":"1304.6844v1","created_at":"2026-05-18T03:20:47.626616+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6844","created_at":"2026-05-18T03:20:47.626616+00:00"},{"alias_kind":"pith_short_12","alias_value":"AAKMJOWB72VK","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_16","alias_value":"AAKMJOWB72VKAATM","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_8","alias_value":"AAKMJOWB","created_at":"2026-05-18T12:27:38.830355+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/AAKMJOWB72VKAATMFIRYWOUTMF","json":"https://pith.science/pith/AAKMJOWB72VKAATMFIRYWOUTMF.json","graph_json":"https://pith.science/api/pith-number/AAKMJOWB72VKAATMFIRYWOUTMF/graph.json","events_json":"https://pith.science/api/pith-number/AAKMJOWB72VKAATMFIRYWOUTMF/events.json","paper":"https://pith.science/paper/AAKMJOWB"},"agent_actions":{"view_html":"https://pith.science/pith/AAKMJOWB72VKAATMFIRYWOUTMF","download_json":"https://pith.science/pith/AAKMJOWB72VKAATMFIRYWOUTMF.json","view_paper":"https://pith.science/paper/AAKMJOWB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1304.6844&json=true","fetch_graph":"https://pith.science/api/pith-number/AAKMJOWB72VKAATMFIRYWOUTMF/graph.json","fetch_events":"https://pith.science/api/pith-number/AAKMJOWB72VKAATMFIRYWOUTMF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AAKMJOWB72VKAATMFIRYWOUTMF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AAKMJOWB72VKAATMFIRYWOUTMF/action/storage_attestation","attest_author":"https://pith.science/pith/AAKMJOWB72VKAATMFIRYWOUTMF/action/author_attestation","sign_citation":"https://pith.science/pith/AAKMJOWB72VKAATMFIRYWOUTMF/action/citation_signature","submit_replication":"https://pith.science/pith/AAKMJOWB72VKAATMFIRYWOUTMF/action/replication_record"}},"created_at":"2026-05-18T03:20:47.626616+00:00","updated_at":"2026-05-18T03:20:47.626616+00:00"}