{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:K6EH22V4FVMFWFGYDOYBD64GJQ","short_pith_number":"pith:K6EH22V4","schema_version":"1.0","canonical_sha256":"57887d6abc2d585b14d81bb011fb864c110c449e516dc80bb113be7fdb2f9aac","source":{"kind":"arxiv","id":"1007.0833","version":1},"attestation_state":"computed","paper":{"title":"Imaging charge and spin diffusion of minority carriers in GaAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. C. H. Rowe, D. Paget, D. Vu, E. Peytavit, I. Favorskiy, S. Arscott","submitted_at":"2010-07-06T08:39:19Z","abstract_excerpt":"Room temperature electronic diffusion is studied in 3 mum thick epitaxial p+ GaAs lift-off films using a novel circularly polarized photoluminescence microscope. The method is equivalent to using a standard optical microscope and provides a contactless means to measure charge (L) and spin (L_s) diffusion lengths. The measured values of L and L_s are in excellent agreement with the spatially averaged polarization and a sharp reduction in these two quantities (L from 21.3 mum to 1.2 mum and L_s from 1.3 mum to 0.8 mum) is measured with increasing surface recombination. Outwards diffusion results"},"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":"1007.0833","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-07-06T08:39:19Z","cross_cats_sorted":[],"title_canon_sha256":"603466c7479b19d084667cc6bfc7789341402731ab2e5e0972ff9a700771c70f","abstract_canon_sha256":"40ff695817500dcdc890b9dad65ce3d0b09fe1f9bc6b1173aa8d5abb0f842362"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:08.553791Z","signature_b64":"NE+HU519WphUkljM61DKM11LJw5b/JCGskfOXWjgVJMdsXNiw9oRawelJSoMQRdZgYJCUMJI/Yw4XXEcOobVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57887d6abc2d585b14d81bb011fb864c110c449e516dc80bb113be7fdb2f9aac","last_reissued_at":"2026-05-18T04:36:08.553329Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:08.553329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Imaging charge and spin diffusion of minority carriers in GaAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. C. H. Rowe, D. Paget, D. Vu, E. Peytavit, I. Favorskiy, S. Arscott","submitted_at":"2010-07-06T08:39:19Z","abstract_excerpt":"Room temperature electronic diffusion is studied in 3 mum thick epitaxial p+ GaAs lift-off films using a novel circularly polarized photoluminescence microscope. The method is equivalent to using a standard optical microscope and provides a contactless means to measure charge (L) and spin (L_s) diffusion lengths. The measured values of L and L_s are in excellent agreement with the spatially averaged polarization and a sharp reduction in these two quantities (L from 21.3 mum to 1.2 mum and L_s from 1.3 mum to 0.8 mum) is measured with increasing surface recombination. Outwards diffusion results"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.0833","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":"1007.0833","created_at":"2026-05-18T04:36:08.553403+00:00"},{"alias_kind":"arxiv_version","alias_value":"1007.0833v1","created_at":"2026-05-18T04:36:08.553403+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.0833","created_at":"2026-05-18T04:36:08.553403+00:00"},{"alias_kind":"pith_short_12","alias_value":"K6EH22V4FVMF","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_16","alias_value":"K6EH22V4FVMFWFGY","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_8","alias_value":"K6EH22V4","created_at":"2026-05-18T12:26:09.077623+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/K6EH22V4FVMFWFGYDOYBD64GJQ","json":"https://pith.science/pith/K6EH22V4FVMFWFGYDOYBD64GJQ.json","graph_json":"https://pith.science/api/pith-number/K6EH22V4FVMFWFGYDOYBD64GJQ/graph.json","events_json":"https://pith.science/api/pith-number/K6EH22V4FVMFWFGYDOYBD64GJQ/events.json","paper":"https://pith.science/paper/K6EH22V4"},"agent_actions":{"view_html":"https://pith.science/pith/K6EH22V4FVMFWFGYDOYBD64GJQ","download_json":"https://pith.science/pith/K6EH22V4FVMFWFGYDOYBD64GJQ.json","view_paper":"https://pith.science/paper/K6EH22V4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1007.0833&json=true","fetch_graph":"https://pith.science/api/pith-number/K6EH22V4FVMFWFGYDOYBD64GJQ/graph.json","fetch_events":"https://pith.science/api/pith-number/K6EH22V4FVMFWFGYDOYBD64GJQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/K6EH22V4FVMFWFGYDOYBD64GJQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/K6EH22V4FVMFWFGYDOYBD64GJQ/action/storage_attestation","attest_author":"https://pith.science/pith/K6EH22V4FVMFWFGYDOYBD64GJQ/action/author_attestation","sign_citation":"https://pith.science/pith/K6EH22V4FVMFWFGYDOYBD64GJQ/action/citation_signature","submit_replication":"https://pith.science/pith/K6EH22V4FVMFWFGYDOYBD64GJQ/action/replication_record"}},"created_at":"2026-05-18T04:36:08.553403+00:00","updated_at":"2026-05-18T04:36:08.553403+00:00"}