{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:D6FBAR5IFC7KMTRP4KTU55ZZZY","short_pith_number":"pith:D6FBAR5I","schema_version":"1.0","canonical_sha256":"1f8a1047a828bea64e2fe2a74ef739ce04b145a6d2ef16bde9750370933c8458","source":{"kind":"arxiv","id":"2108.05751","version":1},"attestation_state":"computed","paper":{"title":"Large dynamic scissoring mode displacements coupled to band gap opening in Hybrid Perovskites","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chris Stock, Jungshen Chen, Manila Songvilay, Mark S. Senn, Michael T. Wharmby, Nicholas C. Bristowe, Tobias A. Bird","submitted_at":"2021-08-12T13:41:53Z","abstract_excerpt":"Hybrid perovskites are a rapidly growing research area, having reached photovoltaic power conversion efficiencies of over 25 \\%. We apply a symmetry-motivated analysis method to analyse X-ray pair distribution function data of the cubic phases of the hybrid perovskites MAPb$X_3$ ($X$ = I, Br, Cl). We demonstrate that the local structure of the inorganic components of MAPb$X_3$ ($X$ = I, Br, Cl) are dominated by scissoring type deformations of the Pb$X_6$ octahedra. We find these modes to have a larger amplitude than equivalent distortions in the $A$-site deficient perovskite ScF$_3$ and demons"},"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":"2108.05751","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-08-12T13:41:53Z","cross_cats_sorted":[],"title_canon_sha256":"e7c4284d4bd79c9e2dd8014c9fbfa7ae46e1a04302ea946997416e3d8992ca67","abstract_canon_sha256":"6a28e091fdbd0e846d26e820ce155665e21393eb13bf191c5c8bf68a00a4e267"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:05:17.558499Z","signature_b64":"yIchMSWbLMj7JojfNzmD/VsyWz4BwUbnbupqg59h8Nr26ExFerf3pw7u1oPvxK4RbL04vWyG08OhePf1BoPQAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f8a1047a828bea64e2fe2a74ef739ce04b145a6d2ef16bde9750370933c8458","last_reissued_at":"2026-07-05T03:05:17.558142Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:05:17.558142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Large dynamic scissoring mode displacements coupled to band gap opening in Hybrid Perovskites","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chris Stock, Jungshen Chen, Manila Songvilay, Mark S. Senn, Michael T. Wharmby, Nicholas C. Bristowe, Tobias A. Bird","submitted_at":"2021-08-12T13:41:53Z","abstract_excerpt":"Hybrid perovskites are a rapidly growing research area, having reached photovoltaic power conversion efficiencies of over 25 \\%. We apply a symmetry-motivated analysis method to analyse X-ray pair distribution function data of the cubic phases of the hybrid perovskites MAPb$X_3$ ($X$ = I, Br, Cl). We demonstrate that the local structure of the inorganic components of MAPb$X_3$ ($X$ = I, Br, Cl) are dominated by scissoring type deformations of the Pb$X_6$ octahedra. We find these modes to have a larger amplitude than equivalent distortions in the $A$-site deficient perovskite ScF$_3$ and demons"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.05751","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/2108.05751/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":"2108.05751","created_at":"2026-07-05T03:05:17.558196+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.05751v1","created_at":"2026-07-05T03:05:17.558196+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.05751","created_at":"2026-07-05T03:05:17.558196+00:00"},{"alias_kind":"pith_short_12","alias_value":"D6FBAR5IFC7K","created_at":"2026-07-05T03:05:17.558196+00:00"},{"alias_kind":"pith_short_16","alias_value":"D6FBAR5IFC7KMTRP","created_at":"2026-07-05T03:05:17.558196+00:00"},{"alias_kind":"pith_short_8","alias_value":"D6FBAR5I","created_at":"2026-07-05T03:05:17.558196+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/D6FBAR5IFC7KMTRP4KTU55ZZZY","json":"https://pith.science/pith/D6FBAR5IFC7KMTRP4KTU55ZZZY.json","graph_json":"https://pith.science/api/pith-number/D6FBAR5IFC7KMTRP4KTU55ZZZY/graph.json","events_json":"https://pith.science/api/pith-number/D6FBAR5IFC7KMTRP4KTU55ZZZY/events.json","paper":"https://pith.science/paper/D6FBAR5I"},"agent_actions":{"view_html":"https://pith.science/pith/D6FBAR5IFC7KMTRP4KTU55ZZZY","download_json":"https://pith.science/pith/D6FBAR5IFC7KMTRP4KTU55ZZZY.json","view_paper":"https://pith.science/paper/D6FBAR5I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.05751&json=true","fetch_graph":"https://pith.science/api/pith-number/D6FBAR5IFC7KMTRP4KTU55ZZZY/graph.json","fetch_events":"https://pith.science/api/pith-number/D6FBAR5IFC7KMTRP4KTU55ZZZY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D6FBAR5IFC7KMTRP4KTU55ZZZY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D6FBAR5IFC7KMTRP4KTU55ZZZY/action/storage_attestation","attest_author":"https://pith.science/pith/D6FBAR5IFC7KMTRP4KTU55ZZZY/action/author_attestation","sign_citation":"https://pith.science/pith/D6FBAR5IFC7KMTRP4KTU55ZZZY/action/citation_signature","submit_replication":"https://pith.science/pith/D6FBAR5IFC7KMTRP4KTU55ZZZY/action/replication_record"}},"created_at":"2026-07-05T03:05:17.558196+00:00","updated_at":"2026-07-05T03:05:17.558196+00:00"}