{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:UK5CPL5M5TG5T5OG4ZDJZTQLF3","short_pith_number":"pith:UK5CPL5M","schema_version":"1.0","canonical_sha256":"a2ba27afaceccdd9f5c6e6469cce0b2ed354407f404b727b2ac22fbf54c13b1c","source":{"kind":"arxiv","id":"1211.6825","version":2},"attestation_state":"computed","paper":{"title":"Room-temperature detection of spin accumulation in silicon across Schottky tunnel barriers using a MOSFET structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"K. Hamaya, K. Masaki, K. Sawano, M. Miyao, S. Yamada, Y. Ando, Y. Fujita, Y. Maeda","submitted_at":"2012-11-29T07:12:29Z","abstract_excerpt":"Using a metal-oxide-semiconductor field effect transistor (MOSFET) structure with a high-quality CoFe/n^+Si contact, we systematically study spin injection and spin accumulation in a nondegenerated Si channel with a doping density of ~ 4.5*10^15cm^-3 at room temperature. By applying the gate voltage (V_G) to the channel, we obtain sufficient bias currents (I_Bias) for creating spin accumulation in the channel and observe clear spin-accumulation signals even at room temperature. Whereas the magnitude of the spin signals is enhanced by increasing I_Bias, it is reduced by increasing V_G interesti"},"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":"1211.6825","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-29T07:12:29Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"a38b7b21ba647250a72b1d1e1d50d581767cd0f60e99c108b701030259ab1c92","abstract_canon_sha256":"f23b7a53755e814afc20658003b08b9920d6fef0069e7cfecb59870ab3cd67bf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:43.548096Z","signature_b64":"LoM4Vka+uDk/OTQN9hHDb6PgBm09J6/Yytzz3N5+tHWvOp+PlmNt0tkqX2s/8t1xeJo8NtusJaD/kox8LmUzBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2ba27afaceccdd9f5c6e6469cce0b2ed354407f404b727b2ac22fbf54c13b1c","last_reissued_at":"2026-05-18T03:25:43.547130Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:43.547130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Room-temperature detection of spin accumulation in silicon across Schottky tunnel barriers using a MOSFET structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"K. Hamaya, K. Masaki, K. Sawano, M. Miyao, S. Yamada, Y. Ando, Y. Fujita, Y. Maeda","submitted_at":"2012-11-29T07:12:29Z","abstract_excerpt":"Using a metal-oxide-semiconductor field effect transistor (MOSFET) structure with a high-quality CoFe/n^+Si contact, we systematically study spin injection and spin accumulation in a nondegenerated Si channel with a doping density of ~ 4.5*10^15cm^-3 at room temperature. By applying the gate voltage (V_G) to the channel, we obtain sufficient bias currents (I_Bias) for creating spin accumulation in the channel and observe clear spin-accumulation signals even at room temperature. Whereas the magnitude of the spin signals is enhanced by increasing I_Bias, it is reduced by increasing V_G interesti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.6825","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":"1211.6825","created_at":"2026-05-18T03:25:43.547274+00:00"},{"alias_kind":"arxiv_version","alias_value":"1211.6825v2","created_at":"2026-05-18T03:25:43.547274+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.6825","created_at":"2026-05-18T03:25:43.547274+00:00"},{"alias_kind":"pith_short_12","alias_value":"UK5CPL5M5TG5","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_16","alias_value":"UK5CPL5M5TG5T5OG","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_8","alias_value":"UK5CPL5M","created_at":"2026-05-18T12:27:23.164592+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/UK5CPL5M5TG5T5OG4ZDJZTQLF3","json":"https://pith.science/pith/UK5CPL5M5TG5T5OG4ZDJZTQLF3.json","graph_json":"https://pith.science/api/pith-number/UK5CPL5M5TG5T5OG4ZDJZTQLF3/graph.json","events_json":"https://pith.science/api/pith-number/UK5CPL5M5TG5T5OG4ZDJZTQLF3/events.json","paper":"https://pith.science/paper/UK5CPL5M"},"agent_actions":{"view_html":"https://pith.science/pith/UK5CPL5M5TG5T5OG4ZDJZTQLF3","download_json":"https://pith.science/pith/UK5CPL5M5TG5T5OG4ZDJZTQLF3.json","view_paper":"https://pith.science/paper/UK5CPL5M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1211.6825&json=true","fetch_graph":"https://pith.science/api/pith-number/UK5CPL5M5TG5T5OG4ZDJZTQLF3/graph.json","fetch_events":"https://pith.science/api/pith-number/UK5CPL5M5TG5T5OG4ZDJZTQLF3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UK5CPL5M5TG5T5OG4ZDJZTQLF3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UK5CPL5M5TG5T5OG4ZDJZTQLF3/action/storage_attestation","attest_author":"https://pith.science/pith/UK5CPL5M5TG5T5OG4ZDJZTQLF3/action/author_attestation","sign_citation":"https://pith.science/pith/UK5CPL5M5TG5T5OG4ZDJZTQLF3/action/citation_signature","submit_replication":"https://pith.science/pith/UK5CPL5M5TG5T5OG4ZDJZTQLF3/action/replication_record"}},"created_at":"2026-05-18T03:25:43.547274+00:00","updated_at":"2026-05-18T03:25:43.547274+00:00"}