{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:XNPZ6Q3OXZHV6KS4FIQSWEPNPT","short_pith_number":"pith:XNPZ6Q3O","schema_version":"1.0","canonical_sha256":"bb5f9f436ebe4f5f2a5c2a212b11ed7ce1d2cbbd92e6a89d6d3d9a35406211fd","source":{"kind":"arxiv","id":"1602.04519","version":2},"attestation_state":"computed","paper":{"title":"Beyond a phenomenological description of magnetostriction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Fry, A. H. Reid, D.J. Higley, E.E. Fullerton, E. Jal, G.L. Dakowski, H.A. D\\\"urr, H. Ohldag, J. Cao, J. Li, J. St\\\"ohr, J. Wu, K. Carva, L. Wu, N. Hartmann, O. Hellwig, P. Granitzka, P. Maldonado, P. M. Oppeneer, R. Coffee, R. K. Li, T. Chase, T. Liu, T. Vecchione, V. Mehta, W. Schlotter, X.J. Wang, X. Shen, Y.K. Takahashi, Y. Zhu, Z. Chen","submitted_at":"2016-02-14T22:44:47Z","abstract_excerpt":"We use ultrafast x-ray and electron diffraction to disentangle spin-lattice coupling of granular FePt in the time domain. The reduced dimensionality of single-crystalline FePt nanoparticles leads to strong coupling of magnetic order and a highly anisotropic three-dimensional lattice motion characterized by a- and b-axis expansion and c-axis contraction. The resulting increase of the FePt lattice tetragonality, the key quantity determining the energy barrier between opposite FePt magnetization orientations, persists for tens of picoseconds. These results suggest a novel approach to laser-assist"},"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":"1602.04519","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-02-14T22:44:47Z","cross_cats_sorted":[],"title_canon_sha256":"deb85e6a33fe1ce1d535e28c4209abc94da4497ee42c2caad9564d5cd9d0c76a","abstract_canon_sha256":"7a2fdf1d16f7b9287ae8cbfb351c270912e5fd564b0c29f3bc6a2c611a56556c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:31:22.712083Z","signature_b64":"U+IzaCAqMF2h8O0G5mxG1ypKUiVeezaULAvJZ7aoFsm9LFZb5zwYIZlkNaFrFz1E4Rl25lYnFItqbQf1IpW9AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb5f9f436ebe4f5f2a5c2a212b11ed7ce1d2cbbd92e6a89d6d3d9a35406211fd","last_reissued_at":"2026-05-18T00:31:22.711553Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:31:22.711553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Beyond a phenomenological description of magnetostriction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Fry, A. H. Reid, D.J. Higley, E.E. Fullerton, E. Jal, G.L. Dakowski, H.A. D\\\"urr, H. Ohldag, J. Cao, J. Li, J. St\\\"ohr, J. Wu, K. Carva, L. Wu, N. Hartmann, O. Hellwig, P. Granitzka, P. Maldonado, P. M. Oppeneer, R. Coffee, R. K. Li, T. Chase, T. Liu, T. Vecchione, V. Mehta, W. Schlotter, X.J. Wang, X. Shen, Y.K. Takahashi, Y. Zhu, Z. Chen","submitted_at":"2016-02-14T22:44:47Z","abstract_excerpt":"We use ultrafast x-ray and electron diffraction to disentangle spin-lattice coupling of granular FePt in the time domain. The reduced dimensionality of single-crystalline FePt nanoparticles leads to strong coupling of magnetic order and a highly anisotropic three-dimensional lattice motion characterized by a- and b-axis expansion and c-axis contraction. The resulting increase of the FePt lattice tetragonality, the key quantity determining the energy barrier between opposite FePt magnetization orientations, persists for tens of picoseconds. These results suggest a novel approach to laser-assist"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.04519","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":"1602.04519","created_at":"2026-05-18T00:31:22.711626+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.04519v2","created_at":"2026-05-18T00:31:22.711626+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.04519","created_at":"2026-05-18T00:31:22.711626+00:00"},{"alias_kind":"pith_short_12","alias_value":"XNPZ6Q3OXZHV","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"XNPZ6Q3OXZHV6KS4","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"XNPZ6Q3O","created_at":"2026-05-18T12:30:51.357362+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/XNPZ6Q3OXZHV6KS4FIQSWEPNPT","json":"https://pith.science/pith/XNPZ6Q3OXZHV6KS4FIQSWEPNPT.json","graph_json":"https://pith.science/api/pith-number/XNPZ6Q3OXZHV6KS4FIQSWEPNPT/graph.json","events_json":"https://pith.science/api/pith-number/XNPZ6Q3OXZHV6KS4FIQSWEPNPT/events.json","paper":"https://pith.science/paper/XNPZ6Q3O"},"agent_actions":{"view_html":"https://pith.science/pith/XNPZ6Q3OXZHV6KS4FIQSWEPNPT","download_json":"https://pith.science/pith/XNPZ6Q3OXZHV6KS4FIQSWEPNPT.json","view_paper":"https://pith.science/paper/XNPZ6Q3O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.04519&json=true","fetch_graph":"https://pith.science/api/pith-number/XNPZ6Q3OXZHV6KS4FIQSWEPNPT/graph.json","fetch_events":"https://pith.science/api/pith-number/XNPZ6Q3OXZHV6KS4FIQSWEPNPT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XNPZ6Q3OXZHV6KS4FIQSWEPNPT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XNPZ6Q3OXZHV6KS4FIQSWEPNPT/action/storage_attestation","attest_author":"https://pith.science/pith/XNPZ6Q3OXZHV6KS4FIQSWEPNPT/action/author_attestation","sign_citation":"https://pith.science/pith/XNPZ6Q3OXZHV6KS4FIQSWEPNPT/action/citation_signature","submit_replication":"https://pith.science/pith/XNPZ6Q3OXZHV6KS4FIQSWEPNPT/action/replication_record"}},"created_at":"2026-05-18T00:31:22.711626+00:00","updated_at":"2026-05-18T00:31:22.711626+00:00"}