{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:HJPPH2QPWMX532ZGF2KCRV6QTD","short_pith_number":"pith:HJPPH2QP","schema_version":"1.0","canonical_sha256":"3a5ef3ea0fb32fddeb262e9428d7d098ffa39772df56e0f34a4ba64317d328c0","source":{"kind":"arxiv","id":"0905.1221","version":2},"attestation_state":"computed","paper":{"title":"Double-gated graphene-based devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"A.F. Morpurgo, M.F. Craciun, M. Yamamoto, S. Russo, S. Tarucha","submitted_at":"2009-05-08T09:56:55Z","abstract_excerpt":"We discuss transport through double gated single and few layer graphene devices. This kind of device configuration has been used to investigate the modulation of the energy band structure through the application of an external perpendicular electric field, a unique property of few layer graphene systems. Here we discuss technological details that are important for the fabrication of top gated structures, based on electron-gun evaporation of SiO$_2$. We perform a statistical study that demonstrates how --contrary to expectations-- the breakdown field of electron-gun evaporated thin SiO$_2$ film"},"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":"0905.1221","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-05-08T09:56:55Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c3b3e0fa95e8a728bb64e42b6d4c80bcde4d618ddeed7bbd0d4ba3bfd421885f","abstract_canon_sha256":"aa93f1303031f167a2e498b9ef54548466531f40c17a27164b6cce58947c9405"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:46.422654Z","signature_b64":"aRYmhpdtcgl0OvierD3zK8jbf2+LotNdoyI3lJ4DV+aHwIp8V6l/MPjkbTryLLt3CU25Q1V7YbGkp4mAcTZvDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a5ef3ea0fb32fddeb262e9428d7d098ffa39772df56e0f34a4ba64317d328c0","last_reissued_at":"2026-05-18T02:13:46.421830Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:46.421830Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Double-gated graphene-based devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"A.F. Morpurgo, M.F. Craciun, M. Yamamoto, S. Russo, S. Tarucha","submitted_at":"2009-05-08T09:56:55Z","abstract_excerpt":"We discuss transport through double gated single and few layer graphene devices. This kind of device configuration has been used to investigate the modulation of the energy band structure through the application of an external perpendicular electric field, a unique property of few layer graphene systems. Here we discuss technological details that are important for the fabrication of top gated structures, based on electron-gun evaporation of SiO$_2$. We perform a statistical study that demonstrates how --contrary to expectations-- the breakdown field of electron-gun evaporated thin SiO$_2$ film"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0905.1221","kind":"arxiv","version":2},"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":"0905.1221","created_at":"2026-05-18T02:13:46.421959+00:00"},{"alias_kind":"arxiv_version","alias_value":"0905.1221v2","created_at":"2026-05-18T02:13:46.421959+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0905.1221","created_at":"2026-05-18T02:13:46.421959+00:00"},{"alias_kind":"pith_short_12","alias_value":"HJPPH2QPWMX5","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_16","alias_value":"HJPPH2QPWMX532ZG","created_at":"2026-05-18T12:25:59.703012+00:00"},{"alias_kind":"pith_short_8","alias_value":"HJPPH2QP","created_at":"2026-05-18T12:25:59.703012+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/HJPPH2QPWMX532ZGF2KCRV6QTD","json":"https://pith.science/pith/HJPPH2QPWMX532ZGF2KCRV6QTD.json","graph_json":"https://pith.science/api/pith-number/HJPPH2QPWMX532ZGF2KCRV6QTD/graph.json","events_json":"https://pith.science/api/pith-number/HJPPH2QPWMX532ZGF2KCRV6QTD/events.json","paper":"https://pith.science/paper/HJPPH2QP"},"agent_actions":{"view_html":"https://pith.science/pith/HJPPH2QPWMX532ZGF2KCRV6QTD","download_json":"https://pith.science/pith/HJPPH2QPWMX532ZGF2KCRV6QTD.json","view_paper":"https://pith.science/paper/HJPPH2QP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0905.1221&json=true","fetch_graph":"https://pith.science/api/pith-number/HJPPH2QPWMX532ZGF2KCRV6QTD/graph.json","fetch_events":"https://pith.science/api/pith-number/HJPPH2QPWMX532ZGF2KCRV6QTD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HJPPH2QPWMX532ZGF2KCRV6QTD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HJPPH2QPWMX532ZGF2KCRV6QTD/action/storage_attestation","attest_author":"https://pith.science/pith/HJPPH2QPWMX532ZGF2KCRV6QTD/action/author_attestation","sign_citation":"https://pith.science/pith/HJPPH2QPWMX532ZGF2KCRV6QTD/action/citation_signature","submit_replication":"https://pith.science/pith/HJPPH2QPWMX532ZGF2KCRV6QTD/action/replication_record"}},"created_at":"2026-05-18T02:13:46.421959+00:00","updated_at":"2026-05-18T02:13:46.421959+00:00"}