{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:GIBMJG7UE6FWEJKZV3QO4ZHZ32","short_pith_number":"pith:GIBMJG7U","schema_version":"1.0","canonical_sha256":"3202c49bf4278b622559aee0ee64f9de915c434ff7ed90d6f6b12e84db058300","source":{"kind":"arxiv","id":"1405.2152","version":1},"attestation_state":"computed","paper":{"title":"Spin Spirals in Surface Alloys on Ru(0001): A First-principles Study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gustav Bihlmayer, Sananda Biswas, Shobhana Narasimhan, Stefan Bl\\\"ugel","submitted_at":"2014-05-09T06:44:00Z","abstract_excerpt":"We have used ab initio density functional theory to compute the magnetic ground states of the surface alloy systems FeAu$_2$/Ru(0001) and MnAu$_2$/Ru(0001). For both systems, we find that the lowest energy magnetic configuration corresponds to a left-rotating spin spiral, in which the sense of rotation is determined by the Dzyaloshinskii-Moriya interaction. These spirals are lower in energy than the ferromagnetic configuration by 3-4 meV per nm$^2$. We also find that FeAu$_2$/Ru(0001) has a significantly high magnetic anisotropy energy, of the order 1 meV per Fe atom. By comparing with the cor"},"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":"1405.2152","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-05-09T06:44:00Z","cross_cats_sorted":[],"title_canon_sha256":"9cd58135ea6bec0252d6ad291c9f30a5af6ea6b060e5d21a0931faaaec345f7f","abstract_canon_sha256":"7b40508ba1ed46552c517ee77ff0cd04ec60b3cbdcaa5b9659c55bfeacbd2e6c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:13.542288Z","signature_b64":"kni8xkhUVlky2IH7cdJqShLsuOcG5DZjimJtgbKoefg2APGV9AwcmvapYwnUWAuCrZ3AvdlbBtLD7ZbyoxbADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3202c49bf4278b622559aee0ee64f9de915c434ff7ed90d6f6b12e84db058300","last_reissued_at":"2026-05-18T02:52:13.541760Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:13.541760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spin Spirals in Surface Alloys on Ru(0001): A First-principles Study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gustav Bihlmayer, Sananda Biswas, Shobhana Narasimhan, Stefan Bl\\\"ugel","submitted_at":"2014-05-09T06:44:00Z","abstract_excerpt":"We have used ab initio density functional theory to compute the magnetic ground states of the surface alloy systems FeAu$_2$/Ru(0001) and MnAu$_2$/Ru(0001). For both systems, we find that the lowest energy magnetic configuration corresponds to a left-rotating spin spiral, in which the sense of rotation is determined by the Dzyaloshinskii-Moriya interaction. These spirals are lower in energy than the ferromagnetic configuration by 3-4 meV per nm$^2$. We also find that FeAu$_2$/Ru(0001) has a significantly high magnetic anisotropy energy, of the order 1 meV per Fe atom. By comparing with the cor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.2152","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":"1405.2152","created_at":"2026-05-18T02:52:13.541857+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.2152v1","created_at":"2026-05-18T02:52:13.541857+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.2152","created_at":"2026-05-18T02:52:13.541857+00:00"},{"alias_kind":"pith_short_12","alias_value":"GIBMJG7UE6FW","created_at":"2026-05-18T12:28:30.664211+00:00"},{"alias_kind":"pith_short_16","alias_value":"GIBMJG7UE6FWEJKZ","created_at":"2026-05-18T12:28:30.664211+00:00"},{"alias_kind":"pith_short_8","alias_value":"GIBMJG7U","created_at":"2026-05-18T12:28:30.664211+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/GIBMJG7UE6FWEJKZV3QO4ZHZ32","json":"https://pith.science/pith/GIBMJG7UE6FWEJKZV3QO4ZHZ32.json","graph_json":"https://pith.science/api/pith-number/GIBMJG7UE6FWEJKZV3QO4ZHZ32/graph.json","events_json":"https://pith.science/api/pith-number/GIBMJG7UE6FWEJKZV3QO4ZHZ32/events.json","paper":"https://pith.science/paper/GIBMJG7U"},"agent_actions":{"view_html":"https://pith.science/pith/GIBMJG7UE6FWEJKZV3QO4ZHZ32","download_json":"https://pith.science/pith/GIBMJG7UE6FWEJKZV3QO4ZHZ32.json","view_paper":"https://pith.science/paper/GIBMJG7U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.2152&json=true","fetch_graph":"https://pith.science/api/pith-number/GIBMJG7UE6FWEJKZV3QO4ZHZ32/graph.json","fetch_events":"https://pith.science/api/pith-number/GIBMJG7UE6FWEJKZV3QO4ZHZ32/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GIBMJG7UE6FWEJKZV3QO4ZHZ32/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GIBMJG7UE6FWEJKZV3QO4ZHZ32/action/storage_attestation","attest_author":"https://pith.science/pith/GIBMJG7UE6FWEJKZV3QO4ZHZ32/action/author_attestation","sign_citation":"https://pith.science/pith/GIBMJG7UE6FWEJKZV3QO4ZHZ32/action/citation_signature","submit_replication":"https://pith.science/pith/GIBMJG7UE6FWEJKZV3QO4ZHZ32/action/replication_record"}},"created_at":"2026-05-18T02:52:13.541857+00:00","updated_at":"2026-05-18T02:52:13.541857+00:00"}