{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:4E2LWAUB4SY626V7XYJISJNWGQ","short_pith_number":"pith:4E2LWAUB","schema_version":"1.0","canonical_sha256":"e134bb0281e4b1ed7abfbe128925b6340cbd937b786a28cc49bee73f83e7f618","source":{"kind":"arxiv","id":"2412.12697","version":1},"attestation_state":"computed","paper":{"title":"Colossal optical anisotropy in wide-bandgap semiconductor CuAlO2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Baekjune Kang, Changhee Sohn, Hosub Jin, Jong Mok Ok, Junhee Shin, Kunook Chung, Myeongjun Kang, Uihyeon Seo, Uksam Choi","submitted_at":"2024-12-17T09:16:19Z","abstract_excerpt":"Colossal optical anisotropy in the entire visible spectrum is crucial for advanced photonic applications, enabling precise light manipulation without optical loss across a broad spectral range. Here, we demonstrate that CuAlO2 exhibits colossal optical anisotropy and transparency across the visible spectrum, enabled by its unique three-dimensional O-Cu-O dumbbell structure and two-dimensionally confined excitons. Using mm-sized single crystals, we independently measured ab-plane and c-axis optical properties, revealing maximum birefringence (= 3.67) and linear dichroism (= 5.21), the highest r"},"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":"2412.12697","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-17T09:16:19Z","cross_cats_sorted":[],"title_canon_sha256":"e67b7dfee90f137c34bc0dea9eae818302b6f10118cadab331352a1d320d0aa4","abstract_canon_sha256":"50d5fd24f74f9a155777cfd3aa882aa4d3edd76f9d39f20d71c3e06fe6b55a7d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:50:19.340364Z","signature_b64":"ZD9ERgd4BYBtXRob+Z2rJ1OLKz+gySRfy+e+HgyGiY1yCu9T/HdVlFR7Ue8hfNqPOJ6pwmBovkmYWiVinKMnCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e134bb0281e4b1ed7abfbe128925b6340cbd937b786a28cc49bee73f83e7f618","last_reissued_at":"2026-07-05T09:50:19.339854Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:50:19.339854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Colossal optical anisotropy in wide-bandgap semiconductor CuAlO2","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Baekjune Kang, Changhee Sohn, Hosub Jin, Jong Mok Ok, Junhee Shin, Kunook Chung, Myeongjun Kang, Uihyeon Seo, Uksam Choi","submitted_at":"2024-12-17T09:16:19Z","abstract_excerpt":"Colossal optical anisotropy in the entire visible spectrum is crucial for advanced photonic applications, enabling precise light manipulation without optical loss across a broad spectral range. Here, we demonstrate that CuAlO2 exhibits colossal optical anisotropy and transparency across the visible spectrum, enabled by its unique three-dimensional O-Cu-O dumbbell structure and two-dimensionally confined excitons. Using mm-sized single crystals, we independently measured ab-plane and c-axis optical properties, revealing maximum birefringence (= 3.67) and linear dichroism (= 5.21), the highest r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.12697","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.12697/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2412.12697","created_at":"2026-07-05T09:50:19.339916+00:00"},{"alias_kind":"arxiv_version","alias_value":"2412.12697v1","created_at":"2026-07-05T09:50:19.339916+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.12697","created_at":"2026-07-05T09:50:19.339916+00:00"},{"alias_kind":"pith_short_12","alias_value":"4E2LWAUB4SY6","created_at":"2026-07-05T09:50:19.339916+00:00"},{"alias_kind":"pith_short_16","alias_value":"4E2LWAUB4SY626V7","created_at":"2026-07-05T09:50:19.339916+00:00"},{"alias_kind":"pith_short_8","alias_value":"4E2LWAUB","created_at":"2026-07-05T09:50:19.339916+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/4E2LWAUB4SY626V7XYJISJNWGQ","json":"https://pith.science/pith/4E2LWAUB4SY626V7XYJISJNWGQ.json","graph_json":"https://pith.science/api/pith-number/4E2LWAUB4SY626V7XYJISJNWGQ/graph.json","events_json":"https://pith.science/api/pith-number/4E2LWAUB4SY626V7XYJISJNWGQ/events.json","paper":"https://pith.science/paper/4E2LWAUB"},"agent_actions":{"view_html":"https://pith.science/pith/4E2LWAUB4SY626V7XYJISJNWGQ","download_json":"https://pith.science/pith/4E2LWAUB4SY626V7XYJISJNWGQ.json","view_paper":"https://pith.science/paper/4E2LWAUB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2412.12697&json=true","fetch_graph":"https://pith.science/api/pith-number/4E2LWAUB4SY626V7XYJISJNWGQ/graph.json","fetch_events":"https://pith.science/api/pith-number/4E2LWAUB4SY626V7XYJISJNWGQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4E2LWAUB4SY626V7XYJISJNWGQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4E2LWAUB4SY626V7XYJISJNWGQ/action/storage_attestation","attest_author":"https://pith.science/pith/4E2LWAUB4SY626V7XYJISJNWGQ/action/author_attestation","sign_citation":"https://pith.science/pith/4E2LWAUB4SY626V7XYJISJNWGQ/action/citation_signature","submit_replication":"https://pith.science/pith/4E2LWAUB4SY626V7XYJISJNWGQ/action/replication_record"}},"created_at":"2026-07-05T09:50:19.339916+00:00","updated_at":"2026-07-05T09:50:19.339916+00:00"}