{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:YJEFY3T22PURDMJKKEEX7Y5KXZ","short_pith_number":"pith:YJEFY3T2","schema_version":"1.0","canonical_sha256":"c2485c6e7ad3e911b12a51097fe3aabe7e9c60cd2db5d129334f4a8651241c62","source":{"kind":"arxiv","id":"2506.05621","version":2},"attestation_state":"computed","paper":{"title":"Coherent phonon motions and ordered vacancy compound mediated quantum path interference in Cu-poor CuIn$_{x}$Ga$_{(1-x)}$Se$_2$ (CIGS) with attosecond transient absorption","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Axel Stenquist, Carl H\\\"agglund, Elizaveta Yakovleva, Han K. D. Le, Hugo Laurell, Jonah R. Adelman, Kostiantyn Sopiha, Marika Edoff, Peidong Yang, Stephen R. Leone","submitted_at":"2025-06-05T22:30:01Z","abstract_excerpt":"In this study, coherent phonon motion is observed in bandgap excited CuIn$_{x}$Ga$_{(1-x)}$Se$_2$ (CIGS) utilizing extreme ultraviolet (XUV) attosecond transient absorption spectroscopy across the Se M$_{4,5}$ absorption edge. Two frequencies of coherent phonon motion are resolved, a low frequency mode attributed through Raman measurements to the $A_{1g}$ phonon motion of a Cu-deficient ordered vacancy compound (OVC), while the high frequency mode originates from the $A_{1g}$ phonon motion in the chalcopyrite phase. The two oscillations lead to modulations in the XUV differential absorption $\\"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2506.05621","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-05T22:30:01Z","cross_cats_sorted":[],"title_canon_sha256":"c011acd2366ad4da9ad2eeb0f603a23c8dc2e30b28df97c64f1b9da26fe90493","abstract_canon_sha256":"887ff6c00663447626784a16e36e7fcaf71f5e93ff32bf7d1cbd2b11becfbed3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:55:40.602174Z","signature_b64":"FKleC+SPKiEpDWk3vwFx9HYCp/NZkX2rURKYLyOrMy5WcDcrgBmYW5Di4OjVgkktBTNfm7Fvh3SjDkjqvuxdBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2485c6e7ad3e911b12a51097fe3aabe7e9c60cd2db5d129334f4a8651241c62","last_reissued_at":"2026-07-05T11:55:40.601750Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:55:40.601750Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Coherent phonon motions and ordered vacancy compound mediated quantum path interference in Cu-poor CuIn$_{x}$Ga$_{(1-x)}$Se$_2$ (CIGS) with attosecond transient absorption","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Axel Stenquist, Carl H\\\"agglund, Elizaveta Yakovleva, Han K. D. Le, Hugo Laurell, Jonah R. Adelman, Kostiantyn Sopiha, Marika Edoff, Peidong Yang, Stephen R. Leone","submitted_at":"2025-06-05T22:30:01Z","abstract_excerpt":"In this study, coherent phonon motion is observed in bandgap excited CuIn$_{x}$Ga$_{(1-x)}$Se$_2$ (CIGS) utilizing extreme ultraviolet (XUV) attosecond transient absorption spectroscopy across the Se M$_{4,5}$ absorption edge. Two frequencies of coherent phonon motion are resolved, a low frequency mode attributed through Raman measurements to the $A_{1g}$ phonon motion of a Cu-deficient ordered vacancy compound (OVC), while the high frequency mode originates from the $A_{1g}$ phonon motion in the chalcopyrite phase. The two oscillations lead to modulations in the XUV differential absorption $\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.05621","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2506.05621/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":"2506.05621","created_at":"2026-07-05T11:55:40.601807+00:00"},{"alias_kind":"arxiv_version","alias_value":"2506.05621v2","created_at":"2026-07-05T11:55:40.601807+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.05621","created_at":"2026-07-05T11:55:40.601807+00:00"},{"alias_kind":"pith_short_12","alias_value":"YJEFY3T22PUR","created_at":"2026-07-05T11:55:40.601807+00:00"},{"alias_kind":"pith_short_16","alias_value":"YJEFY3T22PURDMJK","created_at":"2026-07-05T11:55:40.601807+00:00"},{"alias_kind":"pith_short_8","alias_value":"YJEFY3T2","created_at":"2026-07-05T11:55:40.601807+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/YJEFY3T22PURDMJKKEEX7Y5KXZ","json":"https://pith.science/pith/YJEFY3T22PURDMJKKEEX7Y5KXZ.json","graph_json":"https://pith.science/api/pith-number/YJEFY3T22PURDMJKKEEX7Y5KXZ/graph.json","events_json":"https://pith.science/api/pith-number/YJEFY3T22PURDMJKKEEX7Y5KXZ/events.json","paper":"https://pith.science/paper/YJEFY3T2"},"agent_actions":{"view_html":"https://pith.science/pith/YJEFY3T22PURDMJKKEEX7Y5KXZ","download_json":"https://pith.science/pith/YJEFY3T22PURDMJKKEEX7Y5KXZ.json","view_paper":"https://pith.science/paper/YJEFY3T2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2506.05621&json=true","fetch_graph":"https://pith.science/api/pith-number/YJEFY3T22PURDMJKKEEX7Y5KXZ/graph.json","fetch_events":"https://pith.science/api/pith-number/YJEFY3T22PURDMJKKEEX7Y5KXZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YJEFY3T22PURDMJKKEEX7Y5KXZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YJEFY3T22PURDMJKKEEX7Y5KXZ/action/storage_attestation","attest_author":"https://pith.science/pith/YJEFY3T22PURDMJKKEEX7Y5KXZ/action/author_attestation","sign_citation":"https://pith.science/pith/YJEFY3T22PURDMJKKEEX7Y5KXZ/action/citation_signature","submit_replication":"https://pith.science/pith/YJEFY3T22PURDMJKKEEX7Y5KXZ/action/replication_record"}},"created_at":"2026-07-05T11:55:40.601807+00:00","updated_at":"2026-07-05T11:55:40.601807+00:00"}