{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:R7ZXAJX2FMZPBIV565JTBEXNSL","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":"5d4b612dd79c770e59440746ec1b69d1095c4f821337aaf9641d53634b0eaaa5","cross_cats_sorted":["physics.app-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-24T12:52:52Z","title_canon_sha256":"3c78a1b504bad6b14ee311ba0c4508df5f77129b86e284ba60135bf4b6818548"},"schema_version":"1.0","source":{"id":"2502.17112","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.17112","created_at":"2026-07-05T11:54:29Z"},{"alias_kind":"arxiv_version","alias_value":"2502.17112v1","created_at":"2026-07-05T11:54:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.17112","created_at":"2026-07-05T11:54:29Z"},{"alias_kind":"pith_short_12","alias_value":"R7ZXAJX2FMZP","created_at":"2026-07-05T11:54:29Z"},{"alias_kind":"pith_short_16","alias_value":"R7ZXAJX2FMZPBIV5","created_at":"2026-07-05T11:54:29Z"},{"alias_kind":"pith_short_8","alias_value":"R7ZXAJX2","created_at":"2026-07-05T11:54:29Z"}],"graph_snapshots":[{"event_id":"sha256:b28ed50784bb5441f52c69e12bb74a4eb5d714067f2ba1d2584aaaa381e01648","target":"graph","created_at":"2026-07-05T11:54:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.17112/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have investigated the properties of the $\\beta$-Ga$_2$O$_3$($\\bar201$)/HfO$_2$/Cr/Au MOS (metal-oxide-semiconductor) system after annealing (450$^\\circ$C) in different ambient conditions (forming gas, N$_2$ and O$_2$). Defect properties have been analyzed using an approach combining experimental impedance measurements with physics-based simulations of the capacitance-voltage (C-V) and conductance-voltage (G-V) characteristics of $\\beta$-Ga$_2$O$_3$/HfO$_2$ MOS capacitors. This approach enabled us to detect two defect bands in HfO$_2$ characterized by thermal ionization energies of ~1.1eV (a","authors_text":"Adam A. Gruszecki, Chadwin D. Young, Jonas Valentijn, Joy Roy, Karim Cherkaoui, Khushabu. S. Agrawal, Lewys Jones, Paolo LaTorraca, Paul K. Hurley, Roberta Hawkins, Robert M. Wallace, Vasily Lebedev","cross_cats":["physics.app-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-24T12:52:52Z","title":"Defects in the $\\beta$-Ga$_2$O$_3$($\\bar201$)/HfO$_2$ MOS system and the effect of thermal treatments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.17112","kind":"arxiv","version":1},"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":"sha256:8d7f3912a5dab2ab5dffeae466f3b59306c72179c710f305cbe025e9333bb362","target":"record","created_at":"2026-07-05T11:54:29Z","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":"5d4b612dd79c770e59440746ec1b69d1095c4f821337aaf9641d53634b0eaaa5","cross_cats_sorted":["physics.app-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-24T12:52:52Z","title_canon_sha256":"3c78a1b504bad6b14ee311ba0c4508df5f77129b86e284ba60135bf4b6818548"},"schema_version":"1.0","source":{"id":"2502.17112","kind":"arxiv","version":1}},"canonical_sha256":"8ff37026fa2b32f0a2bdf7533092ed92e08eadfc5e363f40bf5a91209cb52976","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ff37026fa2b32f0a2bdf7533092ed92e08eadfc5e363f40bf5a91209cb52976","first_computed_at":"2026-07-05T11:54:29.721245Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:54:29.721245Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tiO1Yp39AEI/5gIfUbFdoO2Hmuko2v37LauJWcDWTH6UU0f9LxgIhuuDUvxtPToLGuIWIuJ4c3S895HMXny4Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:54:29.721656Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.17112","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d7f3912a5dab2ab5dffeae466f3b59306c72179c710f305cbe025e9333bb362","sha256:b28ed50784bb5441f52c69e12bb74a4eb5d714067f2ba1d2584aaaa381e01648"],"state_sha256":"d5fdde329d11f294d550f7fcb9538dcf636b034bbdf833e5888372b0c9a7cc30"}