{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:LED2A6QU6DFBBGNDBMIUQEIWJN","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":"99c7aa5da9a99548d4a6944d2b0a24b8e255221c6fc485454c1eb24bcdb5d00a","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-05-07T03:13:26Z","title_canon_sha256":"cd20182e94f19cae601cb0a40780e89357ffe5ec5efcc28db8ef26890fcadf5d"},"schema_version":"1.0","source":{"id":"1805.02329","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02329","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02329v3","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02329","created_at":"2026-05-18T00:06:02Z"},{"alias_kind":"pith_short_12","alias_value":"LED2A6QU6DFB","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_16","alias_value":"LED2A6QU6DFBBGND","created_at":"2026-05-18T12:32:37Z"},{"alias_kind":"pith_short_8","alias_value":"LED2A6QU","created_at":"2026-05-18T12:32:37Z"}],"graph_snapshots":[{"event_id":"sha256:347b8a3c660357977449351351370d0726b71bceba30ba5eca8e8dac28f44b23","target":"graph","created_at":"2026-05-18T00:06:02Z","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 report very efficient spin current generation by the spin Hall effect in the alloy Au0.25Pt0.75, which, as determined by two different direct spin-orbit torque measurements, exhibits a giant internal spin Hall ratio of > 0.58 (anti-damping spin-orbit torque efficiency of ~ 0.35 in bilayers with Co), a relatively low resistivity of ~ 83 uOhm cm, an exceptionally large spin Hall conductivity of > 7.0x10^5 ohm^-1 m^-1, and a spin diffusion length of 1.7 nm. This work establishes Au0.25Pt0.75 as a milestone spin current generator that provides greater energy efficiency than that yet obtained wi","authors_text":"Daniel. C. Ralph, Lijun Zhu, Robert A. Buhrman","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-05-07T03:13:26Z","title":"Highly efficient spin current generation by the spin Hall effect in Au$_{1-x}$Pt$_x$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02329","kind":"arxiv","version":3},"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":"sha256:4cf1ed94464f16b55831774a1d27cc5f7090f57ef99ceeedd17a6cf86ab88a5a","target":"record","created_at":"2026-05-18T00:06:02Z","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":"99c7aa5da9a99548d4a6944d2b0a24b8e255221c6fc485454c1eb24bcdb5d00a","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-05-07T03:13:26Z","title_canon_sha256":"cd20182e94f19cae601cb0a40780e89357ffe5ec5efcc28db8ef26890fcadf5d"},"schema_version":"1.0","source":{"id":"1805.02329","kind":"arxiv","version":3}},"canonical_sha256":"5907a07a14f0ca1099a30b114811164b587d35834abd369d4815afa80e622c82","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5907a07a14f0ca1099a30b114811164b587d35834abd369d4815afa80e622c82","first_computed_at":"2026-05-18T00:06:02.324163Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:02.324163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"28ELNkgO965UdqR/Wi/vqEXOCYdRkBE7CjWkdwdtqzXG1VUbf2PV3zAkLExczHbuG95t5rhnWVOJFXSybhr4CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:02.324601Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02329","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4cf1ed94464f16b55831774a1d27cc5f7090f57ef99ceeedd17a6cf86ab88a5a","sha256:347b8a3c660357977449351351370d0726b71bceba30ba5eca8e8dac28f44b23"],"state_sha256":"e57931110aab63f4f2b503ebcf54486141ef37a0322783f8215bed7dfe59e17d"}