{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:Y754DVAMTJDHGBKCV2QN3KXQ53","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1ba6d00b3e1e3fa5a2569bc6d72bb48ee4ba6b8e81c022f53988c8f0371dd3fb","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-28T06:44:33Z","title_canon_sha256":"733329cde88de5144f89fef80a7e6642c8cbdad9fc69646297f558289a30da52"},"schema_version":"1.0","source":{"id":"1803.10428","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.10428","created_at":"2026-05-17T23:57:21Z"},{"alias_kind":"arxiv_version","alias_value":"1803.10428v5","created_at":"2026-05-17T23:57:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.10428","created_at":"2026-05-17T23:57:21Z"},{"alias_kind":"pith_short_12","alias_value":"Y754DVAMTJDH","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"Y754DVAMTJDHGBKC","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"Y754DVAM","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:8f07afdf750dc4e4b98f2ccf39ffb0f1673c82aa9ec997adcbf348f8b32ee355","target":"graph","created_at":"2026-05-17T23:57:21Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present a theoretical study on interfacial magnetocrystalline anisotropy for Fe/MgAl$_2$O$_4$. This system has a very small lattice mismatch at the interface and therefore is suitable for realizing a fully coherent ferromagnet/oxide interface for magnetic tunnel junctions. On the basis of density functional theory, we calculate the interfacial anisotropy constant $K_{\\rm i}$ and show that this system has interfacial perpendicular magnetic anisotropy (PMA) with $K_{\\rm i} \\approx 1.2\\,{\\rm mJ/m^2}$, which is a little bit smaller than that of Fe/MgO ($K_{\\rm i} \\approx$ 1.5--1.7$\\,{\\rm mJ/m^2","authors_text":"Keisuke Masuda, Yoshio Miura","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-28T06:44:33Z","title":"Perpendicular magnetic anisotropy at the Fe/MgAl$_2$O$_4$ interface: Comparative first-principles study with Fe/MgO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.10428","kind":"arxiv","version":5},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:08d11d852f28221276673a3a8e034317b02c309c7010b1094d009c9d52b95d05","target":"record","created_at":"2026-05-17T23:57:21Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1ba6d00b3e1e3fa5a2569bc6d72bb48ee4ba6b8e81c022f53988c8f0371dd3fb","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-28T06:44:33Z","title_canon_sha256":"733329cde88de5144f89fef80a7e6642c8cbdad9fc69646297f558289a30da52"},"schema_version":"1.0","source":{"id":"1803.10428","kind":"arxiv","version":5}},"canonical_sha256":"c7fbc1d40c9a46730542aea0ddaaf0eee96bcbef8de3bd90011afb283cf90637","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7fbc1d40c9a46730542aea0ddaaf0eee96bcbef8de3bd90011afb283cf90637","first_computed_at":"2026-05-17T23:57:21.639724Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:21.639724Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aH8o966PgeoWxd8XZ4SvH+MzKtb7s+tWPg/5Zw/b9L9aTLQS25+oZ3WWUl7+TyDchDWDV6Wn3VxCNom98LFUBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:21.640371Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.10428","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08d11d852f28221276673a3a8e034317b02c309c7010b1094d009c9d52b95d05","sha256:8f07afdf750dc4e4b98f2ccf39ffb0f1673c82aa9ec997adcbf348f8b32ee355"],"state_sha256":"c4c99128a51ee4eb92459a02ff8020b6f3c846ae45e206afa33543c694ce1d20"}