{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:67ABVHLYJLNHYNSG55YHCSSW44","short_pith_number":"pith:67ABVHLY","schema_version":"1.0","canonical_sha256":"f7c01a9d784ada7c3646ef70714a56e71990329842ca2028c62c07c31c87cf7a","source":{"kind":"arxiv","id":"2206.03843","version":1},"attestation_state":"computed","paper":{"title":"A multiferroic two-dimensional electron gas","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Cinthia Piamonteze, Daniela Stornaiuolo, Julien Br\\'ehin, Julien Varignon, Manuel Bibes, Marco Salluzzo, Maria D'Antuono, Sara Varotto, Yu Chen","submitted_at":"2022-06-08T12:36:02Z","abstract_excerpt":"Multiferroics are compounds in which at least two ferroic orders coexist - typically (anti)ferromagnetism and ferroelectricity. While magnetic order can arise in both insulating and conducting compounds, ferroelectricity is in principle not allowed in metals although a few two-dimensional (semi)metals were reported to behave as ferroelectrics. Yet, the combination with magnetic order to realize multiferroic metals remains elusive. Here, by combining x-ray spectroscopy and magnetotransport, we show the coexistence of ferroelectricity and magnetism in an oxide-based two-dimensional electron gas "},"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":"2206.03843","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-06-08T12:36:02Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"5aca083a3ed0208ef1de3252d367dac6b20da80d5c380d07d9ebf12c4bdbabe6","abstract_canon_sha256":"e59d6f5014745c34587964e7fc61da7681c49347cec18fc97dd9c5618c0f1291"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:30:14.008151Z","signature_b64":"pVePvs6loc1d+LIlo7IBs11CoDlRGbdN187zD0HYIPEqetNJeDtF0HfPAqrQWJkGTk0gVUFbG9VwKz8WL9OiBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7c01a9d784ada7c3646ef70714a56e71990329842ca2028c62c07c31c87cf7a","last_reissued_at":"2026-07-05T04:30:14.007661Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:30:14.007661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A multiferroic two-dimensional electron gas","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Cinthia Piamonteze, Daniela Stornaiuolo, Julien Br\\'ehin, Julien Varignon, Manuel Bibes, Marco Salluzzo, Maria D'Antuono, Sara Varotto, Yu Chen","submitted_at":"2022-06-08T12:36:02Z","abstract_excerpt":"Multiferroics are compounds in which at least two ferroic orders coexist - typically (anti)ferromagnetism and ferroelectricity. While magnetic order can arise in both insulating and conducting compounds, ferroelectricity is in principle not allowed in metals although a few two-dimensional (semi)metals were reported to behave as ferroelectrics. Yet, the combination with magnetic order to realize multiferroic metals remains elusive. Here, by combining x-ray spectroscopy and magnetotransport, we show the coexistence of ferroelectricity and magnetism in an oxide-based two-dimensional electron gas "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.03843","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/2206.03843/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":"2206.03843","created_at":"2026-07-05T04:30:14.007730+00:00"},{"alias_kind":"arxiv_version","alias_value":"2206.03843v1","created_at":"2026-07-05T04:30:14.007730+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.03843","created_at":"2026-07-05T04:30:14.007730+00:00"},{"alias_kind":"pith_short_12","alias_value":"67ABVHLYJLNH","created_at":"2026-07-05T04:30:14.007730+00:00"},{"alias_kind":"pith_short_16","alias_value":"67ABVHLYJLNHYNSG","created_at":"2026-07-05T04:30:14.007730+00:00"},{"alias_kind":"pith_short_8","alias_value":"67ABVHLY","created_at":"2026-07-05T04:30:14.007730+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/67ABVHLYJLNHYNSG55YHCSSW44","json":"https://pith.science/pith/67ABVHLYJLNHYNSG55YHCSSW44.json","graph_json":"https://pith.science/api/pith-number/67ABVHLYJLNHYNSG55YHCSSW44/graph.json","events_json":"https://pith.science/api/pith-number/67ABVHLYJLNHYNSG55YHCSSW44/events.json","paper":"https://pith.science/paper/67ABVHLY"},"agent_actions":{"view_html":"https://pith.science/pith/67ABVHLYJLNHYNSG55YHCSSW44","download_json":"https://pith.science/pith/67ABVHLYJLNHYNSG55YHCSSW44.json","view_paper":"https://pith.science/paper/67ABVHLY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2206.03843&json=true","fetch_graph":"https://pith.science/api/pith-number/67ABVHLYJLNHYNSG55YHCSSW44/graph.json","fetch_events":"https://pith.science/api/pith-number/67ABVHLYJLNHYNSG55YHCSSW44/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/67ABVHLYJLNHYNSG55YHCSSW44/action/timestamp_anchor","attest_storage":"https://pith.science/pith/67ABVHLYJLNHYNSG55YHCSSW44/action/storage_attestation","attest_author":"https://pith.science/pith/67ABVHLYJLNHYNSG55YHCSSW44/action/author_attestation","sign_citation":"https://pith.science/pith/67ABVHLYJLNHYNSG55YHCSSW44/action/citation_signature","submit_replication":"https://pith.science/pith/67ABVHLYJLNHYNSG55YHCSSW44/action/replication_record"}},"created_at":"2026-07-05T04:30:14.007730+00:00","updated_at":"2026-07-05T04:30:14.007730+00:00"}