{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:4LV6YE2HN6OTZU43OTZL57APAI","short_pith_number":"pith:4LV6YE2H","schema_version":"1.0","canonical_sha256":"e2ebec13476f9d3cd39b74f2befc0f022e1e87f599cad8fbd0a4497947abcba6","source":{"kind":"arxiv","id":"2404.04980","version":2},"attestation_state":"computed","paper":{"title":"Element-specific ultrafast lattice dynamics in FePt nanoparticles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexander H. Reid, Diego Turenne, Hermann A. D\\\"urr, Igor Vaskivskiy, Jakub Sebesta, Jian Wang, Klaus Sokolowski-Tinten, Matthias Hoffmann, Michael Kozina, Ming-Fu Lin, Oscar Gr{\\aa}n\\\"as, Peter Oppeneer, Stephen Weathersby, Suji Park, Xiaoshe Shen, Xijie Wang, Yukiko K. Takahashi","submitted_at":"2024-04-07T14:52:17Z","abstract_excerpt":"Light-matter interaction at the nanoscale in magnetic alloys and heterostructures is a topic of intense research in view of potential applications in high-density magnetic recording. While the element-specific dynamics of electron spins is directly accessible to resonant x-ray pulses with femtosecond time structure, the possible element-specific atomic motion remains largely unexplored. We use ultrafast electron diffraction to probe the temporal evolution of lattice Bragg peaks of FePt nanoparticles embedded in a carbon matrix following excitation by an optical femtosecond laser pulse. The dif"},"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":"2404.04980","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-04-07T14:52:17Z","cross_cats_sorted":[],"title_canon_sha256":"daa1cf7c1949d1c83a06b5a7b714e785ee496e702fc3335416f8bfdc961ef6da","abstract_canon_sha256":"42affeb57baa3695bd37ce3d1c14ac888ef00d135daa9df8f9ebb7c0b2b9691e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:07:36.991217Z","signature_b64":"K6Jf0EfUNeoeRW+nWsavx5H+QTvq+0XX4krWvUNtVIfyj8zoi55BDXScCLpwLcpSJ+hS/Us2POGuX/8Rg1UVCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2ebec13476f9d3cd39b74f2befc0f022e1e87f599cad8fbd0a4497947abcba6","last_reissued_at":"2026-07-05T08:07:36.990745Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:07:36.990745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Element-specific ultrafast lattice dynamics in FePt nanoparticles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexander H. Reid, Diego Turenne, Hermann A. D\\\"urr, Igor Vaskivskiy, Jakub Sebesta, Jian Wang, Klaus Sokolowski-Tinten, Matthias Hoffmann, Michael Kozina, Ming-Fu Lin, Oscar Gr{\\aa}n\\\"as, Peter Oppeneer, Stephen Weathersby, Suji Park, Xiaoshe Shen, Xijie Wang, Yukiko K. Takahashi","submitted_at":"2024-04-07T14:52:17Z","abstract_excerpt":"Light-matter interaction at the nanoscale in magnetic alloys and heterostructures is a topic of intense research in view of potential applications in high-density magnetic recording. While the element-specific dynamics of electron spins is directly accessible to resonant x-ray pulses with femtosecond time structure, the possible element-specific atomic motion remains largely unexplored. We use ultrafast electron diffraction to probe the temporal evolution of lattice Bragg peaks of FePt nanoparticles embedded in a carbon matrix following excitation by an optical femtosecond laser pulse. The dif"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.04980","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.04980/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2404.04980","created_at":"2026-07-05T08:07:36.990804+00:00"},{"alias_kind":"arxiv_version","alias_value":"2404.04980v2","created_at":"2026-07-05T08:07:36.990804+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.04980","created_at":"2026-07-05T08:07:36.990804+00:00"},{"alias_kind":"pith_short_12","alias_value":"4LV6YE2HN6OT","created_at":"2026-07-05T08:07:36.990804+00:00"},{"alias_kind":"pith_short_16","alias_value":"4LV6YE2HN6OTZU43","created_at":"2026-07-05T08:07:36.990804+00:00"},{"alias_kind":"pith_short_8","alias_value":"4LV6YE2H","created_at":"2026-07-05T08:07:36.990804+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/4LV6YE2HN6OTZU43OTZL57APAI","json":"https://pith.science/pith/4LV6YE2HN6OTZU43OTZL57APAI.json","graph_json":"https://pith.science/api/pith-number/4LV6YE2HN6OTZU43OTZL57APAI/graph.json","events_json":"https://pith.science/api/pith-number/4LV6YE2HN6OTZU43OTZL57APAI/events.json","paper":"https://pith.science/paper/4LV6YE2H"},"agent_actions":{"view_html":"https://pith.science/pith/4LV6YE2HN6OTZU43OTZL57APAI","download_json":"https://pith.science/pith/4LV6YE2HN6OTZU43OTZL57APAI.json","view_paper":"https://pith.science/paper/4LV6YE2H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2404.04980&json=true","fetch_graph":"https://pith.science/api/pith-number/4LV6YE2HN6OTZU43OTZL57APAI/graph.json","fetch_events":"https://pith.science/api/pith-number/4LV6YE2HN6OTZU43OTZL57APAI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4LV6YE2HN6OTZU43OTZL57APAI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4LV6YE2HN6OTZU43OTZL57APAI/action/storage_attestation","attest_author":"https://pith.science/pith/4LV6YE2HN6OTZU43OTZL57APAI/action/author_attestation","sign_citation":"https://pith.science/pith/4LV6YE2HN6OTZU43OTZL57APAI/action/citation_signature","submit_replication":"https://pith.science/pith/4LV6YE2HN6OTZU43OTZL57APAI/action/replication_record"}},"created_at":"2026-07-05T08:07:36.990804+00:00","updated_at":"2026-07-05T08:07:36.990804+00:00"}