{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:OEA4CA5DFZ2QUWH5NSBCDYQMLP","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":"8a998226d13374ba70c9b381c741bb9f84c54b0ba4e540008003e4c799e1631e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-12-22T01:59:18Z","title_canon_sha256":"4e3264f0e816f0868254b1c78814a7e42b1ad17f4a5bb3a909e92ac08509f430"},"schema_version":"1.0","source":{"id":"cond-mat/0612575","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0612575","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0612575v1","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0612575","created_at":"2026-05-18T01:39:38Z"},{"alias_kind":"pith_short_12","alias_value":"OEA4CA5DFZ2Q","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"OEA4CA5DFZ2QUWH5","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"OEA4CA5D","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:ce4a4adfe5ac587a328f6094ee971e9670bfd89036c088b589daa5c816af783f","target":"graph","created_at":"2026-05-18T01:39:38Z","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 demonstrate fully electrical detection of spin injection in InAs quantum wells. A spin polarized current is injected from a NiFe thin film to a two-dimensional electron gas (2DEG) made of InAs based epitaxial multi-layers. Injected spins accumulate and diffuse out in the 2DEG, and the spins are electrically detected by a neighboring NiFe electrode. The observed spin diffusion length is 1.8 um at 20 K. The injected spin polarization across the NiFe/InAs interface is 1.9% at 20 K and remains at 1.4% even at room temperature. Our experimental results will contribute significantly to the realiz","authors_text":"Donghwa Jung, Hyun Cheol Koo, Hyunjung Yi, Jae-Beom Ko, Jonghwa Eom, Joonyeon Chang, Seon-Gu Huh, Suk-Hee Han","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-12-22T01:59:18Z","title":"Electrical spin injection and detection in an InAs quantum well"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0612575","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:d2bf829402534664a2928bb1de21a762eea88c5d85b62ad71530554895bd6404","target":"record","created_at":"2026-05-18T01:39:38Z","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":"8a998226d13374ba70c9b381c741bb9f84c54b0ba4e540008003e4c799e1631e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2006-12-22T01:59:18Z","title_canon_sha256":"4e3264f0e816f0868254b1c78814a7e42b1ad17f4a5bb3a909e92ac08509f430"},"schema_version":"1.0","source":{"id":"cond-mat/0612575","kind":"arxiv","version":1}},"canonical_sha256":"7101c103a32e750a58fd6c8221e20c5bd92cecfbf78d954f916080d249f2fa8e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7101c103a32e750a58fd6c8221e20c5bd92cecfbf78d954f916080d249f2fa8e","first_computed_at":"2026-05-18T01:39:38.530074Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:38.530074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cFaYQXiLZGJmYitEcTUBb694X02VzUpITom+5F4TwcMe/oVWKQHFBFAbOXu0y4U7OdlzPHwIobH20qTYp8saCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:38.530657Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0612575","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2bf829402534664a2928bb1de21a762eea88c5d85b62ad71530554895bd6404","sha256:ce4a4adfe5ac587a328f6094ee971e9670bfd89036c088b589daa5c816af783f"],"state_sha256":"2225272fb8d078a76ec2d3cf38f6c9a487544051605036f3bda5ca4675fbae4f"}