{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:3H7745L3GGTCLAV4ZQMHXLHWVF","short_pith_number":"pith:3H7745L3","schema_version":"1.0","canonical_sha256":"d9fffe757b31a62582bccc187bacf6a95ab6f0bb772961139f1141ac76ac8048","source":{"kind":"arxiv","id":"1006.2235","version":2},"attestation_state":"computed","paper":{"title":"Magnetoresistive effect in graphene nanoribbon due to magnetic field induced band gap modulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Gengchiau Liang, M. B. A. Jalil, S. Bala Kumar, S. G. Tan","submitted_at":"2010-06-11T08:51:41Z","abstract_excerpt":"The electronic properties of armchair graphene nanoribbons (AGNRs) can be significantly modified from semiconducting to metallic states, by applying a uniform perpendicular magnetic field (B-field). Here, we theoretically study the bandgap modulation induced by a perpendicular B-field. The applied B-field causes the lowest conduction subband and the top-most valence subband to move closer to one another to form the n=0 Landau level. We exploit this effect to realize a device relevant MR modulation. Unlike in conventional spin-valves, this intrinsic MR effect is realized without the use of any "},"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":"1006.2235","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-06-11T08:51:41Z","cross_cats_sorted":[],"title_canon_sha256":"64883838dbeb22675083c12ad1040cb2d2c06b2d6c6caf1d69687d05062e628d","abstract_canon_sha256":"71a1d8789908fa746ae5dc163377ebb09250874d7fa2d6a662a63c8bbd5edcc7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:23.820578Z","signature_b64":"39021JYlGDVOQoE+xwJEKAacSgAJ+F4YE3tShnD92Z+umuMMl2/vwdPmV4l9qWiLopKA1XWmL2fEPoH7t2KHAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9fffe757b31a62582bccc187bacf6a95ab6f0bb772961139f1141ac76ac8048","last_reissued_at":"2026-05-18T04:42:23.820136Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:23.820136Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetoresistive effect in graphene nanoribbon due to magnetic field induced band gap modulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Gengchiau Liang, M. B. A. Jalil, S. Bala Kumar, S. G. Tan","submitted_at":"2010-06-11T08:51:41Z","abstract_excerpt":"The electronic properties of armchair graphene nanoribbons (AGNRs) can be significantly modified from semiconducting to metallic states, by applying a uniform perpendicular magnetic field (B-field). Here, we theoretically study the bandgap modulation induced by a perpendicular B-field. The applied B-field causes the lowest conduction subband and the top-most valence subband to move closer to one another to form the n=0 Landau level. We exploit this effect to realize a device relevant MR modulation. Unlike in conventional spin-valves, this intrinsic MR effect is realized without the use of any "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.2235","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":"1006.2235","created_at":"2026-05-18T04:42:23.820207+00:00"},{"alias_kind":"arxiv_version","alias_value":"1006.2235v2","created_at":"2026-05-18T04:42:23.820207+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.2235","created_at":"2026-05-18T04:42:23.820207+00:00"},{"alias_kind":"pith_short_12","alias_value":"3H7745L3GGTC","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"3H7745L3GGTCLAV4","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"3H7745L3","created_at":"2026-05-18T12:26:03.138858+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/3H7745L3GGTCLAV4ZQMHXLHWVF","json":"https://pith.science/pith/3H7745L3GGTCLAV4ZQMHXLHWVF.json","graph_json":"https://pith.science/api/pith-number/3H7745L3GGTCLAV4ZQMHXLHWVF/graph.json","events_json":"https://pith.science/api/pith-number/3H7745L3GGTCLAV4ZQMHXLHWVF/events.json","paper":"https://pith.science/paper/3H7745L3"},"agent_actions":{"view_html":"https://pith.science/pith/3H7745L3GGTCLAV4ZQMHXLHWVF","download_json":"https://pith.science/pith/3H7745L3GGTCLAV4ZQMHXLHWVF.json","view_paper":"https://pith.science/paper/3H7745L3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1006.2235&json=true","fetch_graph":"https://pith.science/api/pith-number/3H7745L3GGTCLAV4ZQMHXLHWVF/graph.json","fetch_events":"https://pith.science/api/pith-number/3H7745L3GGTCLAV4ZQMHXLHWVF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3H7745L3GGTCLAV4ZQMHXLHWVF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3H7745L3GGTCLAV4ZQMHXLHWVF/action/storage_attestation","attest_author":"https://pith.science/pith/3H7745L3GGTCLAV4ZQMHXLHWVF/action/author_attestation","sign_citation":"https://pith.science/pith/3H7745L3GGTCLAV4ZQMHXLHWVF/action/citation_signature","submit_replication":"https://pith.science/pith/3H7745L3GGTCLAV4ZQMHXLHWVF/action/replication_record"}},"created_at":"2026-05-18T04:42:23.820207+00:00","updated_at":"2026-05-18T04:42:23.820207+00:00"}