{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:FQJZHUK66BY34AM3ENV5EY3MPG","short_pith_number":"pith:FQJZHUK6","schema_version":"1.0","canonical_sha256":"2c1393d15ef071be019b236bd2636c799fed82dc0873dce69cb24992f3d0e973","source":{"kind":"arxiv","id":"cond-mat/0609688","version":2},"attestation_state":"computed","paper":{"title":"Huge quadratic magneto-optical Kerr effect and magnetization reversal in the Co$_2$FeSi Heusler compound","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Hillebrands, C. Felser, G. Jakob, H. Schneider, J. Hamrle, K. Postava, O. Gaier, S. Blomeier","submitted_at":"2006-09-27T11:27:07Z","abstract_excerpt":"Co$_2$FeSi(100) films with L2$_1$ structure deposited onto MgO(100) were studied exploiting both longitudinal (LMOKE) and quadratic (QMOKE) magneto-optical Kerr effect. The films exhibit a huge QMOKE signal with a maximum contribution of up to 30 mdeg, which is the largest QMOKE signal in reflection that has been measured thus far. This large value is a fingerprint of an exceptionally large spin-orbit coupling of second or higher order. The Co$_2$FeSi(100) films exhibit a rather large coercivity of 350 and 70 Oe for film thicknesses of 22 and 98 nm, respectively. Despite the fact that the film"},"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":"cond-mat/0609688","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2006-09-27T11:27:07Z","cross_cats_sorted":[],"title_canon_sha256":"e14e8af65100c05cb570a892e4829b963ca12aa3abee132840f3355678538d02","abstract_canon_sha256":"72b22764ecd9b0a8611f0948fb5e5735246e8b248f014a906e2b8e662de246d6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:42.961465Z","signature_b64":"n0wXbkdETBiqPoXLirR7bmEVra2ixJNEzgz0I+VZlhkKLMB6O/4kjysT+XuZq06g3OxVH1EQgIBAgcjDkYBwBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c1393d15ef071be019b236bd2636c799fed82dc0873dce69cb24992f3d0e973","last_reissued_at":"2026-05-18T01:39:42.960889Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:42.960889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Huge quadratic magneto-optical Kerr effect and magnetization reversal in the Co$_2$FeSi Heusler compound","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Hillebrands, C. Felser, G. Jakob, H. Schneider, J. Hamrle, K. Postava, O. Gaier, S. Blomeier","submitted_at":"2006-09-27T11:27:07Z","abstract_excerpt":"Co$_2$FeSi(100) films with L2$_1$ structure deposited onto MgO(100) were studied exploiting both longitudinal (LMOKE) and quadratic (QMOKE) magneto-optical Kerr effect. The films exhibit a huge QMOKE signal with a maximum contribution of up to 30 mdeg, which is the largest QMOKE signal in reflection that has been measured thus far. This large value is a fingerprint of an exceptionally large spin-orbit coupling of second or higher order. The Co$_2$FeSi(100) films exhibit a rather large coercivity of 350 and 70 Oe for film thicknesses of 22 and 98 nm, respectively. Despite the fact that the film"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0609688","kind":"arxiv","version":2},"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":"cond-mat/0609688","created_at":"2026-05-18T01:39:42.960959+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0609688v2","created_at":"2026-05-18T01:39:42.960959+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0609688","created_at":"2026-05-18T01:39:42.960959+00:00"},{"alias_kind":"pith_short_12","alias_value":"FQJZHUK66BY3","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_16","alias_value":"FQJZHUK66BY34AM3","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_8","alias_value":"FQJZHUK6","created_at":"2026-05-18T12:25:53.939244+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/FQJZHUK66BY34AM3ENV5EY3MPG","json":"https://pith.science/pith/FQJZHUK66BY34AM3ENV5EY3MPG.json","graph_json":"https://pith.science/api/pith-number/FQJZHUK66BY34AM3ENV5EY3MPG/graph.json","events_json":"https://pith.science/api/pith-number/FQJZHUK66BY34AM3ENV5EY3MPG/events.json","paper":"https://pith.science/paper/FQJZHUK6"},"agent_actions":{"view_html":"https://pith.science/pith/FQJZHUK66BY34AM3ENV5EY3MPG","download_json":"https://pith.science/pith/FQJZHUK66BY34AM3ENV5EY3MPG.json","view_paper":"https://pith.science/paper/FQJZHUK6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0609688&json=true","fetch_graph":"https://pith.science/api/pith-number/FQJZHUK66BY34AM3ENV5EY3MPG/graph.json","fetch_events":"https://pith.science/api/pith-number/FQJZHUK66BY34AM3ENV5EY3MPG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FQJZHUK66BY34AM3ENV5EY3MPG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FQJZHUK66BY34AM3ENV5EY3MPG/action/storage_attestation","attest_author":"https://pith.science/pith/FQJZHUK66BY34AM3ENV5EY3MPG/action/author_attestation","sign_citation":"https://pith.science/pith/FQJZHUK66BY34AM3ENV5EY3MPG/action/citation_signature","submit_replication":"https://pith.science/pith/FQJZHUK66BY34AM3ENV5EY3MPG/action/replication_record"}},"created_at":"2026-05-18T01:39:42.960959+00:00","updated_at":"2026-05-18T01:39:42.960959+00:00"}