{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:EPPDADSLF7Y5RPR4NGAT4AB4VV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"86e5648dd74de62ffffe3630992391c6256d31075f27efda26eeeea20747d4db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-06-06T08:41:56Z","title_canon_sha256":"70efe9dcd6a495003d9965a6ab090f6641b9f985f84b974f05a332de03cc4fc3"},"schema_version":"1.0","source":{"id":"1506.02127","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.02127","created_at":"2026-05-18T01:55:52Z"},{"alias_kind":"arxiv_version","alias_value":"1506.02127v1","created_at":"2026-05-18T01:55:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.02127","created_at":"2026-05-18T01:55:52Z"},{"alias_kind":"pith_short_12","alias_value":"EPPDADSLF7Y5","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EPPDADSLF7Y5RPR4","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EPPDADSL","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:32e1a54202b94401f96c12eaccd18b7754ff1e754ccf98361669086ce004371e","target":"graph","created_at":"2026-05-18T01:55:52Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We propose and demonstrate that a EuO-induced and top-gated graphene ferromagnetic junction can be simultaneously operated as a spin filter as well as a spin valve. We attribute such a remarkable result to a coexistence of a half-metal band and a common energy gap for opposite spins in ferromagnetic graphene. We show that, both the spin filter and the spin valve can be effectively controlled by a back gate voltage, and they survive for practical metal contacts and finite temperature. Specifically, larger single spin currents and on-state currents can be reached with contacts with work function","authors_text":"Gang Dai, Yu Song","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-06-06T08:41:56Z","title":"Spin filter and spin valve in ferromagnetic graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.02127","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:750af5e1c1884805f3049892d9888c117e1d8eb09860941b8d22c2880ae4b203","target":"record","created_at":"2026-05-18T01:55:52Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"86e5648dd74de62ffffe3630992391c6256d31075f27efda26eeeea20747d4db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-06-06T08:41:56Z","title_canon_sha256":"70efe9dcd6a495003d9965a6ab090f6641b9f985f84b974f05a332de03cc4fc3"},"schema_version":"1.0","source":{"id":"1506.02127","kind":"arxiv","version":1}},"canonical_sha256":"23de300e4b2ff1d8be3c69813e003cad7425f14a634ac129a9597560820acdaa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23de300e4b2ff1d8be3c69813e003cad7425f14a634ac129a9597560820acdaa","first_computed_at":"2026-05-18T01:55:52.006846Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:52.006846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CJ/R50wVRpeDh2h7bFgo1Mesi1R5oG9pHt3qmS/5qMUK2jhrgGi5ccAM2l9rd3Dr66UfOf/y6xwDA3ztcNLjAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:52.007340Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.02127","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:750af5e1c1884805f3049892d9888c117e1d8eb09860941b8d22c2880ae4b203","sha256:32e1a54202b94401f96c12eaccd18b7754ff1e754ccf98361669086ce004371e"],"state_sha256":"2bdc070a9cef4f8a87c573e5da8b33164071344fe1c77b242d64d8882cebf420"}