{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:ROYQMHGEJQN5RM7LUETBE2VZPP","short_pith_number":"pith:ROYQMHGE","schema_version":"1.0","canonical_sha256":"8bb1061cc44c1bd8b3eba126126ab97be8721413dac1059a9a8acffada782aca","source":{"kind":"arxiv","id":"2204.13864","version":2},"attestation_state":"computed","paper":{"title":"First-principles study of oxygen vacancy defects in orthorhombic Hf$_{0.5}$Zr$_{0.5}$O$_2$/SiO$_2$/Si gate stack","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph","physics.comp-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Fengbin Tian, Hao Xu, Jiahui Duan, Jinjuan Xiang, Jun Luo, Junshuai Chai, Kai Han, Shujing Zhao, Tianchun Ye, Wenwu Wang, Xiaolei Wang, Yuanyuan Zhang","submitted_at":"2022-04-29T03:44:59Z","abstract_excerpt":"The gate defect of the ferroelectric HfO$_2$-based Si field-effect transistor (Si FeFET) plays a dominant role in its reliability issue. The first-principles calculations are an effective method for the atomic-scale understanding of gate defects. However, the first-principles study on the defects of FeFET gate stacks, i.e., metal/orthorhombic-Hf$_{0.5}$Zr$_{0.5}$O$_2$/SiO$_2$/Si structure, has not been reported so far. The key challenge is the construction of metal/orthorhombic-Hf$_{0.5}$Zr$_{0.5}$O$_2$/SiO$_2$/Si gate stack models. Here, we use the Hf$_{0.5}$Zr$_{0.5}$O$_2$(130) high-index cr"},"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":"2204.13864","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-04-29T03:44:59Z","cross_cats_sorted":["physics.app-ph","physics.comp-ph"],"title_canon_sha256":"067e0bc307e9582a6b7dc20aebb40474d426e4634e2e0cb62a124b6e75be7625","abstract_canon_sha256":"478bc0d70f40212bd98b7c3c6c452c99566f38e4d8d62d27bab205ede2e281d6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:59:22.456586Z","signature_b64":"S2ERl6VsCZD0G39HK6Emjx/2R6aEGaatze7OFywUlSfT9qL9xqOm+0Yf9xbZ9nWHNTWUfmBbWgpHIrNcsDWaCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8bb1061cc44c1bd8b3eba126126ab97be8721413dac1059a9a8acffada782aca","last_reissued_at":"2026-07-05T04:59:22.456100Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:59:22.456100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First-principles study of oxygen vacancy defects in orthorhombic Hf$_{0.5}$Zr$_{0.5}$O$_2$/SiO$_2$/Si gate stack","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.app-ph","physics.comp-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Fengbin Tian, Hao Xu, Jiahui Duan, Jinjuan Xiang, Jun Luo, Junshuai Chai, Kai Han, Shujing Zhao, Tianchun Ye, Wenwu Wang, Xiaolei Wang, Yuanyuan Zhang","submitted_at":"2022-04-29T03:44:59Z","abstract_excerpt":"The gate defect of the ferroelectric HfO$_2$-based Si field-effect transistor (Si FeFET) plays a dominant role in its reliability issue. The first-principles calculations are an effective method for the atomic-scale understanding of gate defects. However, the first-principles study on the defects of FeFET gate stacks, i.e., metal/orthorhombic-Hf$_{0.5}$Zr$_{0.5}$O$_2$/SiO$_2$/Si structure, has not been reported so far. The key challenge is the construction of metal/orthorhombic-Hf$_{0.5}$Zr$_{0.5}$O$_2$/SiO$_2$/Si gate stack models. Here, we use the Hf$_{0.5}$Zr$_{0.5}$O$_2$(130) high-index cr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.13864","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/2204.13864/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":"2204.13864","created_at":"2026-07-05T04:59:22.456158+00:00"},{"alias_kind":"arxiv_version","alias_value":"2204.13864v2","created_at":"2026-07-05T04:59:22.456158+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.13864","created_at":"2026-07-05T04:59:22.456158+00:00"},{"alias_kind":"pith_short_12","alias_value":"ROYQMHGEJQN5","created_at":"2026-07-05T04:59:22.456158+00:00"},{"alias_kind":"pith_short_16","alias_value":"ROYQMHGEJQN5RM7L","created_at":"2026-07-05T04:59:22.456158+00:00"},{"alias_kind":"pith_short_8","alias_value":"ROYQMHGE","created_at":"2026-07-05T04:59:22.456158+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/ROYQMHGEJQN5RM7LUETBE2VZPP","json":"https://pith.science/pith/ROYQMHGEJQN5RM7LUETBE2VZPP.json","graph_json":"https://pith.science/api/pith-number/ROYQMHGEJQN5RM7LUETBE2VZPP/graph.json","events_json":"https://pith.science/api/pith-number/ROYQMHGEJQN5RM7LUETBE2VZPP/events.json","paper":"https://pith.science/paper/ROYQMHGE"},"agent_actions":{"view_html":"https://pith.science/pith/ROYQMHGEJQN5RM7LUETBE2VZPP","download_json":"https://pith.science/pith/ROYQMHGEJQN5RM7LUETBE2VZPP.json","view_paper":"https://pith.science/paper/ROYQMHGE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2204.13864&json=true","fetch_graph":"https://pith.science/api/pith-number/ROYQMHGEJQN5RM7LUETBE2VZPP/graph.json","fetch_events":"https://pith.science/api/pith-number/ROYQMHGEJQN5RM7LUETBE2VZPP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ROYQMHGEJQN5RM7LUETBE2VZPP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ROYQMHGEJQN5RM7LUETBE2VZPP/action/storage_attestation","attest_author":"https://pith.science/pith/ROYQMHGEJQN5RM7LUETBE2VZPP/action/author_attestation","sign_citation":"https://pith.science/pith/ROYQMHGEJQN5RM7LUETBE2VZPP/action/citation_signature","submit_replication":"https://pith.science/pith/ROYQMHGEJQN5RM7LUETBE2VZPP/action/replication_record"}},"created_at":"2026-07-05T04:59:22.456158+00:00","updated_at":"2026-07-05T04:59:22.456158+00:00"}