{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:KVMXWPQYAS5NATFSFVLPQ7IEYA","short_pith_number":"pith:KVMXWPQY","schema_version":"1.0","canonical_sha256":"55597b3e1804bad04cb22d56f87d04c0377faa39d0a0d4b4d08e541c4b417e9d","source":{"kind":"arxiv","id":"1807.06287","version":1},"attestation_state":"computed","paper":{"title":"Field-free spin-orbit torque switching from geometrical domain wall pinning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Guang Yang, Hyunsoo Yang, Jong Min Lee, Kaiming Cai, Pan He, Rajagopalan Ramaswamy, Yang Liu","submitted_at":"2018-07-17T09:05:33Z","abstract_excerpt":"Spin-orbit torques, which utilize spin currents arising from the spin-orbit coupling, offer a novel method to electrically switch the magnetization with perpendicular anisotropy. However, the necessity of an external magnetic field to achieve a deterministic switching is an obstacle for realizing practical spin-orbit torque devices with all-electric operation. Here, we report a field-free spin-orbit torque switching by exploiting the domain wall motion in an anti-notched microwire with perpendicular anisotropy, which exhibits multi-domain states stabilized by the domain wall surface tension. T"},"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":"1807.06287","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-17T09:05:33Z","cross_cats_sorted":[],"title_canon_sha256":"6a5c4cc065ced42f598a11d4743684265bc7e61673acd3f115f08edd72883721","abstract_canon_sha256":"11184b74d4c326b1a921ac582f0fab643dddad1485e46dcdbd83bedbaf0715b9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:33.463691Z","signature_b64":"5kl1gPV+puwm4zZcteVsdqRcls1cjhLOuF3gKg9HQjP2jR14+ja3OhJO5WA7AvQ/H6TAOAmx7rf+taiIA+TcCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55597b3e1804bad04cb22d56f87d04c0377faa39d0a0d4b4d08e541c4b417e9d","last_reissued_at":"2026-05-18T00:10:33.463135Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:33.463135Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Field-free spin-orbit torque switching from geometrical domain wall pinning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Guang Yang, Hyunsoo Yang, Jong Min Lee, Kaiming Cai, Pan He, Rajagopalan Ramaswamy, Yang Liu","submitted_at":"2018-07-17T09:05:33Z","abstract_excerpt":"Spin-orbit torques, which utilize spin currents arising from the spin-orbit coupling, offer a novel method to electrically switch the magnetization with perpendicular anisotropy. However, the necessity of an external magnetic field to achieve a deterministic switching is an obstacle for realizing practical spin-orbit torque devices with all-electric operation. Here, we report a field-free spin-orbit torque switching by exploiting the domain wall motion in an anti-notched microwire with perpendicular anisotropy, which exhibits multi-domain states stabilized by the domain wall surface tension. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.06287","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":"1807.06287","created_at":"2026-05-18T00:10:33.463217+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.06287v1","created_at":"2026-05-18T00:10:33.463217+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.06287","created_at":"2026-05-18T00:10:33.463217+00:00"},{"alias_kind":"pith_short_12","alias_value":"KVMXWPQYAS5N","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_16","alias_value":"KVMXWPQYAS5NATFS","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_8","alias_value":"KVMXWPQY","created_at":"2026-05-18T12:32:33.847187+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/KVMXWPQYAS5NATFSFVLPQ7IEYA","json":"https://pith.science/pith/KVMXWPQYAS5NATFSFVLPQ7IEYA.json","graph_json":"https://pith.science/api/pith-number/KVMXWPQYAS5NATFSFVLPQ7IEYA/graph.json","events_json":"https://pith.science/api/pith-number/KVMXWPQYAS5NATFSFVLPQ7IEYA/events.json","paper":"https://pith.science/paper/KVMXWPQY"},"agent_actions":{"view_html":"https://pith.science/pith/KVMXWPQYAS5NATFSFVLPQ7IEYA","download_json":"https://pith.science/pith/KVMXWPQYAS5NATFSFVLPQ7IEYA.json","view_paper":"https://pith.science/paper/KVMXWPQY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.06287&json=true","fetch_graph":"https://pith.science/api/pith-number/KVMXWPQYAS5NATFSFVLPQ7IEYA/graph.json","fetch_events":"https://pith.science/api/pith-number/KVMXWPQYAS5NATFSFVLPQ7IEYA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KVMXWPQYAS5NATFSFVLPQ7IEYA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KVMXWPQYAS5NATFSFVLPQ7IEYA/action/storage_attestation","attest_author":"https://pith.science/pith/KVMXWPQYAS5NATFSFVLPQ7IEYA/action/author_attestation","sign_citation":"https://pith.science/pith/KVMXWPQYAS5NATFSFVLPQ7IEYA/action/citation_signature","submit_replication":"https://pith.science/pith/KVMXWPQYAS5NATFSFVLPQ7IEYA/action/replication_record"}},"created_at":"2026-05-18T00:10:33.463217+00:00","updated_at":"2026-05-18T00:10:33.463217+00:00"}