{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:LH2RJL7ZB5OBHHQUT4VBGLZAVO","short_pith_number":"pith:LH2RJL7Z","schema_version":"1.0","canonical_sha256":"59f514aff90f5c139e149f2a132f20ab87e902ff230b8a162cc648443fbc5315","source":{"kind":"arxiv","id":"2403.17298","version":1},"attestation_state":"computed","paper":{"title":"Utilizing (Al, Ga)2O3/Ga2O3 superlattices to measure cation vacancy diffusion and vacancy-concentration-dependent diffusion of Al, Sn, and Fe in \\b{eta} -Ga2O3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Arkka Bhattacharyya, Aviva Levin, Brian Eisner, Haobo Yang, Larry Wang, Michael A. Scarpulla, Michael A Walker, Ming Kit Cheng, Nathan D. Rock, Praneeth Ranga, Sriram Krishnamoorthy, Wei Zhao","submitted_at":"2024-03-26T00:55:45Z","abstract_excerpt":"Diffusion of native defects such as vacancies and their interactions with impurities are fundamental in semiconductor crystal growth, device processing, and long-term aging of equilibration and transient diffusion of vacancies are rarely investigated. We used aluminum-gallium oxide/gallium oxide superlattices (SLs) to detect and analyze transient diffusion of cation vacancies during annealing in O2 at 1000-1100 C. Using a novel finite difference scheme for the diffusion equation with time- and space-varying diffusion constant, we extract diffusion constants for Al, Fe, and cation vacancies und"},"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":"2403.17298","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-03-26T00:55:45Z","cross_cats_sorted":[],"title_canon_sha256":"051018c5ac9977fd423e01355e99793339e70715151a41b9bde3f468cb9ab9d6","abstract_canon_sha256":"8c855d24ad2e7a9963fe23331d38be2cd21f90a86b1119a39add596596423592"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:00:48.510494Z","signature_b64":"dGBmU33DIR7cMZBt5T/VbmAV2n6BFIAdzDF/kxiyjFeeeGRGybzG54PtusYcdtHIhesn2Zngqn2gdL2WNiogDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59f514aff90f5c139e149f2a132f20ab87e902ff230b8a162cc648443fbc5315","last_reissued_at":"2026-07-05T08:00:48.510053Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:00:48.510053Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Utilizing (Al, Ga)2O3/Ga2O3 superlattices to measure cation vacancy diffusion and vacancy-concentration-dependent diffusion of Al, Sn, and Fe in \\b{eta} -Ga2O3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Arkka Bhattacharyya, Aviva Levin, Brian Eisner, Haobo Yang, Larry Wang, Michael A. Scarpulla, Michael A Walker, Ming Kit Cheng, Nathan D. Rock, Praneeth Ranga, Sriram Krishnamoorthy, Wei Zhao","submitted_at":"2024-03-26T00:55:45Z","abstract_excerpt":"Diffusion of native defects such as vacancies and their interactions with impurities are fundamental in semiconductor crystal growth, device processing, and long-term aging of equilibration and transient diffusion of vacancies are rarely investigated. We used aluminum-gallium oxide/gallium oxide superlattices (SLs) to detect and analyze transient diffusion of cation vacancies during annealing in O2 at 1000-1100 C. Using a novel finite difference scheme for the diffusion equation with time- and space-varying diffusion constant, we extract diffusion constants for Al, Fe, and cation vacancies und"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.17298","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/2403.17298/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":"2403.17298","created_at":"2026-07-05T08:00:48.510109+00:00"},{"alias_kind":"arxiv_version","alias_value":"2403.17298v1","created_at":"2026-07-05T08:00:48.510109+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.17298","created_at":"2026-07-05T08:00:48.510109+00:00"},{"alias_kind":"pith_short_12","alias_value":"LH2RJL7ZB5OB","created_at":"2026-07-05T08:00:48.510109+00:00"},{"alias_kind":"pith_short_16","alias_value":"LH2RJL7ZB5OBHHQU","created_at":"2026-07-05T08:00:48.510109+00:00"},{"alias_kind":"pith_short_8","alias_value":"LH2RJL7Z","created_at":"2026-07-05T08:00:48.510109+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/LH2RJL7ZB5OBHHQUT4VBGLZAVO","json":"https://pith.science/pith/LH2RJL7ZB5OBHHQUT4VBGLZAVO.json","graph_json":"https://pith.science/api/pith-number/LH2RJL7ZB5OBHHQUT4VBGLZAVO/graph.json","events_json":"https://pith.science/api/pith-number/LH2RJL7ZB5OBHHQUT4VBGLZAVO/events.json","paper":"https://pith.science/paper/LH2RJL7Z"},"agent_actions":{"view_html":"https://pith.science/pith/LH2RJL7ZB5OBHHQUT4VBGLZAVO","download_json":"https://pith.science/pith/LH2RJL7ZB5OBHHQUT4VBGLZAVO.json","view_paper":"https://pith.science/paper/LH2RJL7Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2403.17298&json=true","fetch_graph":"https://pith.science/api/pith-number/LH2RJL7ZB5OBHHQUT4VBGLZAVO/graph.json","fetch_events":"https://pith.science/api/pith-number/LH2RJL7ZB5OBHHQUT4VBGLZAVO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LH2RJL7ZB5OBHHQUT4VBGLZAVO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LH2RJL7ZB5OBHHQUT4VBGLZAVO/action/storage_attestation","attest_author":"https://pith.science/pith/LH2RJL7ZB5OBHHQUT4VBGLZAVO/action/author_attestation","sign_citation":"https://pith.science/pith/LH2RJL7ZB5OBHHQUT4VBGLZAVO/action/citation_signature","submit_replication":"https://pith.science/pith/LH2RJL7ZB5OBHHQUT4VBGLZAVO/action/replication_record"}},"created_at":"2026-07-05T08:00:48.510109+00:00","updated_at":"2026-07-05T08:00:48.510109+00:00"}