{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:C5FDBA4SD3Q3E3JEMOZLKFNMJK","short_pith_number":"pith:C5FDBA4S","schema_version":"1.0","canonical_sha256":"174a3083921ee1b26d2463b2b515ac4a9210c67a09a9d0045641445753d807ee","source":{"kind":"arxiv","id":"1603.03748","version":3},"attestation_state":"computed","paper":{"title":"Structural phase transition and material properties of few-layer monochalcogenides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Arend van der Zande, Benjamin M. Fregoso, Jaime Ferrer, L. Bellaiche, Mehrshad Mehboudi, Pradeep Kumar, Salvador Barraza-Lopez, Wenjuan Zhu, Yurong Yang","submitted_at":"2016-03-11T20:23:48Z","abstract_excerpt":"GeSe and SnSe monochalcogenide monolayers and bilayers undergo a two-dimensional phase transition from a rectangular unit cell to a square unit cell at a temperature $T_c$ well below the melting point. Its consequences on material properties are studied within the framework of Car-Parrinello molecular dynamics and density-functional theory. No in-gap states develop as the structural transition takes place, so that these phase-change materials remain semiconducting below and above $T_c$. As the in-plane lattice transforms from a rectangle onto a square at $T_c$, the electronic, spin, optical, a"},"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":"1603.03748","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-11T20:23:48Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"b343e3aab7607cffe5513772006d183cf6fa0ba60e9225d48af2e64058c54f43","abstract_canon_sha256":"08fb5027ecae85ef0ad2f12cacadce844750056a362229eb56817d322917e9a6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:00.305816Z","signature_b64":"UXsUk/1cKdA8II80LWlP22CoQAXx85QuWGnt4NE0MJApsZr9z3Zad7/ClfTx9tRFKudpN3xVSUA9jjtRa1IIAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"174a3083921ee1b26d2463b2b515ac4a9210c67a09a9d0045641445753d807ee","last_reissued_at":"2026-05-18T00:55:00.305335Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:00.305335Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Structural phase transition and material properties of few-layer monochalcogenides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Arend van der Zande, Benjamin M. Fregoso, Jaime Ferrer, L. Bellaiche, Mehrshad Mehboudi, Pradeep Kumar, Salvador Barraza-Lopez, Wenjuan Zhu, Yurong Yang","submitted_at":"2016-03-11T20:23:48Z","abstract_excerpt":"GeSe and SnSe monochalcogenide monolayers and bilayers undergo a two-dimensional phase transition from a rectangular unit cell to a square unit cell at a temperature $T_c$ well below the melting point. Its consequences on material properties are studied within the framework of Car-Parrinello molecular dynamics and density-functional theory. No in-gap states develop as the structural transition takes place, so that these phase-change materials remain semiconducting below and above $T_c$. As the in-plane lattice transforms from a rectangle onto a square at $T_c$, the electronic, spin, optical, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.03748","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1603.03748","created_at":"2026-05-18T00:55:00.305406+00:00"},{"alias_kind":"arxiv_version","alias_value":"1603.03748v3","created_at":"2026-05-18T00:55:00.305406+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.03748","created_at":"2026-05-18T00:55:00.305406+00:00"},{"alias_kind":"pith_short_12","alias_value":"C5FDBA4SD3Q3","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_16","alias_value":"C5FDBA4SD3Q3E3JE","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_8","alias_value":"C5FDBA4S","created_at":"2026-05-18T12:30:09.641336+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/C5FDBA4SD3Q3E3JEMOZLKFNMJK","json":"https://pith.science/pith/C5FDBA4SD3Q3E3JEMOZLKFNMJK.json","graph_json":"https://pith.science/api/pith-number/C5FDBA4SD3Q3E3JEMOZLKFNMJK/graph.json","events_json":"https://pith.science/api/pith-number/C5FDBA4SD3Q3E3JEMOZLKFNMJK/events.json","paper":"https://pith.science/paper/C5FDBA4S"},"agent_actions":{"view_html":"https://pith.science/pith/C5FDBA4SD3Q3E3JEMOZLKFNMJK","download_json":"https://pith.science/pith/C5FDBA4SD3Q3E3JEMOZLKFNMJK.json","view_paper":"https://pith.science/paper/C5FDBA4S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1603.03748&json=true","fetch_graph":"https://pith.science/api/pith-number/C5FDBA4SD3Q3E3JEMOZLKFNMJK/graph.json","fetch_events":"https://pith.science/api/pith-number/C5FDBA4SD3Q3E3JEMOZLKFNMJK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C5FDBA4SD3Q3E3JEMOZLKFNMJK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C5FDBA4SD3Q3E3JEMOZLKFNMJK/action/storage_attestation","attest_author":"https://pith.science/pith/C5FDBA4SD3Q3E3JEMOZLKFNMJK/action/author_attestation","sign_citation":"https://pith.science/pith/C5FDBA4SD3Q3E3JEMOZLKFNMJK/action/citation_signature","submit_replication":"https://pith.science/pith/C5FDBA4SD3Q3E3JEMOZLKFNMJK/action/replication_record"}},"created_at":"2026-05-18T00:55:00.305406+00:00","updated_at":"2026-05-18T00:55:00.305406+00:00"}