{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:BYYPDMRRLGVV2JVUGQK3WNRLDJ","short_pith_number":"pith:BYYPDMRR","schema_version":"1.0","canonical_sha256":"0e30f1b23159ab5d26b43415bb362b1a57b60e0230c0abc9209b397106de1c4d","source":{"kind":"arxiv","id":"2207.00434","version":1},"attestation_state":"computed","paper":{"title":"Trends in Bandgap of Epitaxial $\\textit{A}$$_2$$\\textit{B}$$_2$O$_7$ ($\\textit{A}$ = Sn, Pb; $\\textit{B}$ = Nb, Ta) Films Fabricated by Pulsed Laser Deposition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"H. Ito, M. Kawasaki, T. C. Fujita","submitted_at":"2022-07-01T13:53:34Z","abstract_excerpt":"Pyrochlore oxides $A_2B_2$O$_7$ have been a fruitful playground for condensed matter physics because of the unique geometry in the crystal structure. Especially focusing on the $A$-site tetrahedral sub-lattice, in particular, pyrochlore oxides $A_2B_2$O$_7$ ($A$ = Sn, Pb and $B$ = Nb, Ta), recent theoretical studies predict the emergence of the \"quasi-flat band\" structure as a result of the strong hybridization between filled $A$-n$s$ and O-2$p$ orbitals. In this work, we have established the growth conditions of Sn$_2$Nb$_2$O$_7$, Sn$_2$Ta$_2$O$_7$, Pb$_2$Nb$_2$O$_7$, and Pb$_2$Ta$_2$O$_7$ fi"},"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":"2207.00434","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-07-01T13:53:34Z","cross_cats_sorted":[],"title_canon_sha256":"89b326ca6f94afae52f584f9736f63d7d80ff24320feb64ab581e328a0391750","abstract_canon_sha256":"21e58b8b16489c1d6f0be8cc214543a492b32d815464fed5f7d4d18139218c25"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:36:43.000748Z","signature_b64":"j/J96QfEhtIU5bnhgPrUXJjHC5VTXyXJty8qNZdEHBbUQRYNYLANEAagfW91ov8rATotCTcIYsdrWLId7DC5Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e30f1b23159ab5d26b43415bb362b1a57b60e0230c0abc9209b397106de1c4d","last_reissued_at":"2026-07-05T04:36:43.000330Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:36:43.000330Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Trends in Bandgap of Epitaxial $\\textit{A}$$_2$$\\textit{B}$$_2$O$_7$ ($\\textit{A}$ = Sn, Pb; $\\textit{B}$ = Nb, Ta) Films Fabricated by Pulsed Laser Deposition","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"H. Ito, M. Kawasaki, T. C. Fujita","submitted_at":"2022-07-01T13:53:34Z","abstract_excerpt":"Pyrochlore oxides $A_2B_2$O$_7$ have been a fruitful playground for condensed matter physics because of the unique geometry in the crystal structure. Especially focusing on the $A$-site tetrahedral sub-lattice, in particular, pyrochlore oxides $A_2B_2$O$_7$ ($A$ = Sn, Pb and $B$ = Nb, Ta), recent theoretical studies predict the emergence of the \"quasi-flat band\" structure as a result of the strong hybridization between filled $A$-n$s$ and O-2$p$ orbitals. In this work, we have established the growth conditions of Sn$_2$Nb$_2$O$_7$, Sn$_2$Ta$_2$O$_7$, Pb$_2$Nb$_2$O$_7$, and Pb$_2$Ta$_2$O$_7$ fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.00434","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/2207.00434/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":"2207.00434","created_at":"2026-07-05T04:36:43.000397+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.00434v1","created_at":"2026-07-05T04:36:43.000397+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.00434","created_at":"2026-07-05T04:36:43.000397+00:00"},{"alias_kind":"pith_short_12","alias_value":"BYYPDMRRLGVV","created_at":"2026-07-05T04:36:43.000397+00:00"},{"alias_kind":"pith_short_16","alias_value":"BYYPDMRRLGVV2JVU","created_at":"2026-07-05T04:36:43.000397+00:00"},{"alias_kind":"pith_short_8","alias_value":"BYYPDMRR","created_at":"2026-07-05T04:36:43.000397+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/BYYPDMRRLGVV2JVUGQK3WNRLDJ","json":"https://pith.science/pith/BYYPDMRRLGVV2JVUGQK3WNRLDJ.json","graph_json":"https://pith.science/api/pith-number/BYYPDMRRLGVV2JVUGQK3WNRLDJ/graph.json","events_json":"https://pith.science/api/pith-number/BYYPDMRRLGVV2JVUGQK3WNRLDJ/events.json","paper":"https://pith.science/paper/BYYPDMRR"},"agent_actions":{"view_html":"https://pith.science/pith/BYYPDMRRLGVV2JVUGQK3WNRLDJ","download_json":"https://pith.science/pith/BYYPDMRRLGVV2JVUGQK3WNRLDJ.json","view_paper":"https://pith.science/paper/BYYPDMRR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.00434&json=true","fetch_graph":"https://pith.science/api/pith-number/BYYPDMRRLGVV2JVUGQK3WNRLDJ/graph.json","fetch_events":"https://pith.science/api/pith-number/BYYPDMRRLGVV2JVUGQK3WNRLDJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BYYPDMRRLGVV2JVUGQK3WNRLDJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BYYPDMRRLGVV2JVUGQK3WNRLDJ/action/storage_attestation","attest_author":"https://pith.science/pith/BYYPDMRRLGVV2JVUGQK3WNRLDJ/action/author_attestation","sign_citation":"https://pith.science/pith/BYYPDMRRLGVV2JVUGQK3WNRLDJ/action/citation_signature","submit_replication":"https://pith.science/pith/BYYPDMRRLGVV2JVUGQK3WNRLDJ/action/replication_record"}},"created_at":"2026-07-05T04:36:43.000397+00:00","updated_at":"2026-07-05T04:36:43.000397+00:00"}