{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:ZON6UNYP26GQ67QP4RZCGBMOCS","short_pith_number":"pith:ZON6UNYP","schema_version":"1.0","canonical_sha256":"cb9bea370fd78d0f7e0fe47223058e14acbac61c59bc7b396c16078cb7ab0a00","source":{"kind":"arxiv","id":"0911.0124","version":1},"attestation_state":"computed","paper":{"title":"Perfect spin-fillter and spin-valve in carbon atomic chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"L. Shen, M. G. Zeng, Y. P. Feng, Y. Q. Cai, Z. D. Sha","submitted_at":"2009-11-01T02:50:28Z","abstract_excerpt":"We report ab initio calculations of spin-dependent transport in single atomic carbon chains bridging two zigzag graphene nanoribbon electrodes. Our calculations show that carbon atomic chains coupled to graphene electrodes are perfect spin-filters with almost 100 % spin polarization. Moreover, carbon atomic chains can also show a very large bias-dependent magnetoresistance up to 1000000 % as perfect spin-valves. These two spin-related properties are independent on the length of carbon chains. Our report, the spin-filter and spin-valve are conserved in a single device simultaneously, opens a ne"},"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":"0911.0124","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2009-11-01T02:50:28Z","cross_cats_sorted":[],"title_canon_sha256":"599b9bad9d08df4c688cf0266ea87306acb1eee61ecf9f9ed0f8785b37874df5","abstract_canon_sha256":"d27f5964d4f8500fff58d539d2d16e58030653751bbda5d08538a6cfbdd91f48"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:17.309787Z","signature_b64":"XonEzOHNXDQA26OIcW5qPKHrN0AWdn0BC+SYgIdl8rLhA5vAFCFE/16AgUPw79IUvyKuUO0t1LV3Hmwbx+w3DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb9bea370fd78d0f7e0fe47223058e14acbac61c59bc7b396c16078cb7ab0a00","last_reissued_at":"2026-05-18T04:38:17.309046Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:17.309046Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Perfect spin-fillter and spin-valve in carbon atomic chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"L. Shen, M. G. Zeng, Y. P. Feng, Y. Q. Cai, Z. D. Sha","submitted_at":"2009-11-01T02:50:28Z","abstract_excerpt":"We report ab initio calculations of spin-dependent transport in single atomic carbon chains bridging two zigzag graphene nanoribbon electrodes. Our calculations show that carbon atomic chains coupled to graphene electrodes are perfect spin-filters with almost 100 % spin polarization. Moreover, carbon atomic chains can also show a very large bias-dependent magnetoresistance up to 1000000 % as perfect spin-valves. These two spin-related properties are independent on the length of carbon chains. Our report, the spin-filter and spin-valve are conserved in a single device simultaneously, opens a ne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.0124","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":"0911.0124","created_at":"2026-05-18T04:38:17.309159+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.0124v1","created_at":"2026-05-18T04:38:17.309159+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.0124","created_at":"2026-05-18T04:38:17.309159+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZON6UNYP26GQ","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZON6UNYP26GQ67QP","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZON6UNYP","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/ZON6UNYP26GQ67QP4RZCGBMOCS","json":"https://pith.science/pith/ZON6UNYP26GQ67QP4RZCGBMOCS.json","graph_json":"https://pith.science/api/pith-number/ZON6UNYP26GQ67QP4RZCGBMOCS/graph.json","events_json":"https://pith.science/api/pith-number/ZON6UNYP26GQ67QP4RZCGBMOCS/events.json","paper":"https://pith.science/paper/ZON6UNYP"},"agent_actions":{"view_html":"https://pith.science/pith/ZON6UNYP26GQ67QP4RZCGBMOCS","download_json":"https://pith.science/pith/ZON6UNYP26GQ67QP4RZCGBMOCS.json","view_paper":"https://pith.science/paper/ZON6UNYP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.0124&json=true","fetch_graph":"https://pith.science/api/pith-number/ZON6UNYP26GQ67QP4RZCGBMOCS/graph.json","fetch_events":"https://pith.science/api/pith-number/ZON6UNYP26GQ67QP4RZCGBMOCS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZON6UNYP26GQ67QP4RZCGBMOCS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZON6UNYP26GQ67QP4RZCGBMOCS/action/storage_attestation","attest_author":"https://pith.science/pith/ZON6UNYP26GQ67QP4RZCGBMOCS/action/author_attestation","sign_citation":"https://pith.science/pith/ZON6UNYP26GQ67QP4RZCGBMOCS/action/citation_signature","submit_replication":"https://pith.science/pith/ZON6UNYP26GQ67QP4RZCGBMOCS/action/replication_record"}},"created_at":"2026-05-18T04:38:17.309159+00:00","updated_at":"2026-05-18T04:38:17.309159+00:00"}