{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:FLCIMMKQO7LBOWFNB7WUECZN2E","short_pith_number":"pith:FLCIMMKQ","schema_version":"1.0","canonical_sha256":"2ac486315077d61758ad0fed420b2dd116576d3532ae7a7fbc1b7f7f9872e933","source":{"kind":"arxiv","id":"2106.02657","version":1},"attestation_state":"computed","paper":{"title":"Structural Monoclinicity and Its Coupling to Layered Magnetism in Few-Layer $\\mathrm{CrI_{3}}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Adam W. Tsen, Bowen Yang, Gaihua Ye, Hechang Lei, Hongchao Xie, Hyun Ho Kim, Jia-an Yan, Kai Sun, Liuyan Zhao, Rui He, Shangjie Tian, Shaohua Yan, Wencan Jin, Xiaoyu Guo, Yang Fu, Zhipeng Ye","submitted_at":"2021-06-04T18:09:32Z","abstract_excerpt":"Using polarization-resolved Raman spectroscopy, we investigate layer number, temperature, and magnetic field dependence of Raman spectra in one- to four-layer $\\mathrm{CrI_{3}}$. Layer-number-dependent Raman spectra show that in the paramagnetic phase a doubly degenerated $E_{g}$ mode of monolayer $\\mathrm{CrI_{3}}$ splits into one $A_{g}$ and one $B_{g}$ mode in N-layer (N > 1) $\\mathrm{CrI_{3}}$ due to the monoclinic stacking. Their energy separation increases in thicker samples until an eventual saturation. Temperature-dependent measurements further show that the split modes tend to merge u"},"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":"2106.02657","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-06-04T18:09:32Z","cross_cats_sorted":[],"title_canon_sha256":"1d4c63e9be4c0301c02fd3191d057642cd7d72276066e08bedb31ea00c9334ca","abstract_canon_sha256":"2e70effc7611ae9c6682e5b676ab98a66dee7dbf6b71f052517bc30e98e09a5c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:46:28.821422Z","signature_b64":"5XVZptQ6ls2lnVIbSndUDNAG56w53b2DM1LpPA5pfyeExL/PnVGY1dJP06jNjffD9gFJ7kYywNMht3tkgRGeAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ac486315077d61758ad0fed420b2dd116576d3532ae7a7fbc1b7f7f9872e933","last_reissued_at":"2026-07-05T02:46:28.820925Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:46:28.820925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Structural Monoclinicity and Its Coupling to Layered Magnetism in Few-Layer $\\mathrm{CrI_{3}}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Adam W. Tsen, Bowen Yang, Gaihua Ye, Hechang Lei, Hongchao Xie, Hyun Ho Kim, Jia-an Yan, Kai Sun, Liuyan Zhao, Rui He, Shangjie Tian, Shaohua Yan, Wencan Jin, Xiaoyu Guo, Yang Fu, Zhipeng Ye","submitted_at":"2021-06-04T18:09:32Z","abstract_excerpt":"Using polarization-resolved Raman spectroscopy, we investigate layer number, temperature, and magnetic field dependence of Raman spectra in one- to four-layer $\\mathrm{CrI_{3}}$. Layer-number-dependent Raman spectra show that in the paramagnetic phase a doubly degenerated $E_{g}$ mode of monolayer $\\mathrm{CrI_{3}}$ splits into one $A_{g}$ and one $B_{g}$ mode in N-layer (N > 1) $\\mathrm{CrI_{3}}$ due to the monoclinic stacking. Their energy separation increases in thicker samples until an eventual saturation. Temperature-dependent measurements further show that the split modes tend to merge u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.02657","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/2106.02657/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":"2106.02657","created_at":"2026-07-05T02:46:28.820988+00:00"},{"alias_kind":"arxiv_version","alias_value":"2106.02657v1","created_at":"2026-07-05T02:46:28.820988+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.02657","created_at":"2026-07-05T02:46:28.820988+00:00"},{"alias_kind":"pith_short_12","alias_value":"FLCIMMKQO7LB","created_at":"2026-07-05T02:46:28.820988+00:00"},{"alias_kind":"pith_short_16","alias_value":"FLCIMMKQO7LBOWFN","created_at":"2026-07-05T02:46:28.820988+00:00"},{"alias_kind":"pith_short_8","alias_value":"FLCIMMKQ","created_at":"2026-07-05T02:46:28.820988+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/FLCIMMKQO7LBOWFNB7WUECZN2E","json":"https://pith.science/pith/FLCIMMKQO7LBOWFNB7WUECZN2E.json","graph_json":"https://pith.science/api/pith-number/FLCIMMKQO7LBOWFNB7WUECZN2E/graph.json","events_json":"https://pith.science/api/pith-number/FLCIMMKQO7LBOWFNB7WUECZN2E/events.json","paper":"https://pith.science/paper/FLCIMMKQ"},"agent_actions":{"view_html":"https://pith.science/pith/FLCIMMKQO7LBOWFNB7WUECZN2E","download_json":"https://pith.science/pith/FLCIMMKQO7LBOWFNB7WUECZN2E.json","view_paper":"https://pith.science/paper/FLCIMMKQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2106.02657&json=true","fetch_graph":"https://pith.science/api/pith-number/FLCIMMKQO7LBOWFNB7WUECZN2E/graph.json","fetch_events":"https://pith.science/api/pith-number/FLCIMMKQO7LBOWFNB7WUECZN2E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FLCIMMKQO7LBOWFNB7WUECZN2E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FLCIMMKQO7LBOWFNB7WUECZN2E/action/storage_attestation","attest_author":"https://pith.science/pith/FLCIMMKQO7LBOWFNB7WUECZN2E/action/author_attestation","sign_citation":"https://pith.science/pith/FLCIMMKQO7LBOWFNB7WUECZN2E/action/citation_signature","submit_replication":"https://pith.science/pith/FLCIMMKQO7LBOWFNB7WUECZN2E/action/replication_record"}},"created_at":"2026-07-05T02:46:28.820988+00:00","updated_at":"2026-07-05T02:46:28.820988+00:00"}