{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:SWMOFED47IPMA3WXOYL7BBTCBB","short_pith_number":"pith:SWMOFED4","schema_version":"1.0","canonical_sha256":"9598e2907cfa1ec06ed77617f08662087479aac80f2feb5565f49b3f45a4e576","source":{"kind":"arxiv","id":"1904.00261","version":1},"attestation_state":"computed","paper":{"title":"Atomically Thin CrCl3: An in-Plane Layered Antiferromagnetic Insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"David H. Cobden, Di Xiao, Genevieve Clark, Kenji Watanabe, Michael A. McGuire, Minhao He, Nathan P. Wilson, Takashi Taniguchi, Tiancheng Song, Wang Yao, Xiaodong Xu, Xiaoou Zhang, Xinghan Cai","submitted_at":"2019-03-30T17:37:52Z","abstract_excerpt":"The recent discovery of magnetism in atomically thin layers of van der Waals (vdW) crystals has created new opportunities for exploring magnetic phenomena in the two-dimensional (2D) limit. In most 2D magnets studied to date the c-axis is an easy axis, so that at zero applied field the polarization of each layer is perpendicular to the plane. Here, we demonstrate that atomically thin CrCl3 is a layered antiferromagnetic insulator with an easy-plane normal to the c-axis, that is the polarization is in the plane of each layer and has no preferred direction within it. Ligand field photoluminescen"},"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":"1904.00261","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-30T17:37:52Z","cross_cats_sorted":[],"title_canon_sha256":"c4b69711cee79929486f866f654eba8b568fedf3495cf0f163fcbf0856eef30e","abstract_canon_sha256":"b812fd17f68ada5d1eaffb8bde8b889ea9cab290ef5bd78a36f43b53c402272b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:44.478673Z","signature_b64":"kkHxuxV0FtC/6O+YKxP+XQuES2xrKdvedXXFlLS9F9iHmWzVAGgORodLIQOJS8bFwGLxcq4j2w+DqsNhPmZFAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9598e2907cfa1ec06ed77617f08662087479aac80f2feb5565f49b3f45a4e576","last_reissued_at":"2026-05-17T23:39:44.477961Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:44.477961Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Atomically Thin CrCl3: An in-Plane Layered Antiferromagnetic Insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"David H. Cobden, Di Xiao, Genevieve Clark, Kenji Watanabe, Michael A. McGuire, Minhao He, Nathan P. Wilson, Takashi Taniguchi, Tiancheng Song, Wang Yao, Xiaodong Xu, Xiaoou Zhang, Xinghan Cai","submitted_at":"2019-03-30T17:37:52Z","abstract_excerpt":"The recent discovery of magnetism in atomically thin layers of van der Waals (vdW) crystals has created new opportunities for exploring magnetic phenomena in the two-dimensional (2D) limit. In most 2D magnets studied to date the c-axis is an easy axis, so that at zero applied field the polarization of each layer is perpendicular to the plane. Here, we demonstrate that atomically thin CrCl3 is a layered antiferromagnetic insulator with an easy-plane normal to the c-axis, that is the polarization is in the plane of each layer and has no preferred direction within it. Ligand field photoluminescen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.00261","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":""},"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":"1904.00261","created_at":"2026-05-17T23:39:44.478087+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.00261v1","created_at":"2026-05-17T23:39:44.478087+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.00261","created_at":"2026-05-17T23:39:44.478087+00:00"},{"alias_kind":"pith_short_12","alias_value":"SWMOFED47IPM","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_16","alias_value":"SWMOFED47IPMA3WX","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_8","alias_value":"SWMOFED4","created_at":"2026-05-18T12:33:27.125529+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/SWMOFED47IPMA3WXOYL7BBTCBB","json":"https://pith.science/pith/SWMOFED47IPMA3WXOYL7BBTCBB.json","graph_json":"https://pith.science/api/pith-number/SWMOFED47IPMA3WXOYL7BBTCBB/graph.json","events_json":"https://pith.science/api/pith-number/SWMOFED47IPMA3WXOYL7BBTCBB/events.json","paper":"https://pith.science/paper/SWMOFED4"},"agent_actions":{"view_html":"https://pith.science/pith/SWMOFED47IPMA3WXOYL7BBTCBB","download_json":"https://pith.science/pith/SWMOFED47IPMA3WXOYL7BBTCBB.json","view_paper":"https://pith.science/paper/SWMOFED4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.00261&json=true","fetch_graph":"https://pith.science/api/pith-number/SWMOFED47IPMA3WXOYL7BBTCBB/graph.json","fetch_events":"https://pith.science/api/pith-number/SWMOFED47IPMA3WXOYL7BBTCBB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SWMOFED47IPMA3WXOYL7BBTCBB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SWMOFED47IPMA3WXOYL7BBTCBB/action/storage_attestation","attest_author":"https://pith.science/pith/SWMOFED47IPMA3WXOYL7BBTCBB/action/author_attestation","sign_citation":"https://pith.science/pith/SWMOFED47IPMA3WXOYL7BBTCBB/action/citation_signature","submit_replication":"https://pith.science/pith/SWMOFED47IPMA3WXOYL7BBTCBB/action/replication_record"}},"created_at":"2026-05-17T23:39:44.478087+00:00","updated_at":"2026-05-17T23:39:44.478087+00:00"}