{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ACX447RCNHIFNJPV3NAFLTLWUQ","short_pith_number":"pith:ACX447RC","schema_version":"1.0","canonical_sha256":"00afce7e2269d056a5f5db4055cd76a41192f49c9d3091f12a530cfcd024a19a","source":{"kind":"arxiv","id":"1809.05920","version":4},"attestation_state":"computed","paper":{"title":"Interface Sharpening in Miscible and Isotopic Multilayers: Role of Short-Circuit Diffusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ajay Gupta, Atul Tiwari, H.-C. Wille, M. K. Tiwari, Mukul Gupta","submitted_at":"2018-09-16T17:53:20Z","abstract_excerpt":"Atomic diffusion at nanometer length scale may differ significantly from bulk diffusion, and may sometimes even exhibit counterintuitive behavior. In the present work, taking Cu/Ni as a model system, a general phenomenon is reported which results in sharpening of interfaces upon thermal annealing, even in miscible systems. Anomalous x-ray reflectivity from a Cu/Ni multilayer has been used to study the evolution of interfaces with thermal annealing. Annealing at 423 K results in sharpening of interfaces by about 38%. This is the temperature at which no asymmetry exists in the inter-diffusivitie"},"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":"1809.05920","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-16T17:53:20Z","cross_cats_sorted":[],"title_canon_sha256":"69a0ffd3d3c8be8241e7103a09486ec42d8096967bc9e11bbe7923d57f6f815e","abstract_canon_sha256":"c2771249768f99f99e8e424b3efe6c85774f11b6030df0a8dd02463b1ff44bf8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:46:13.110692Z","signature_b64":"3LlR7qZu5rUu1tBlg1T5/Oaet3DN5D4dz/7URUKGh6cdn8yNtbpWMQNYIzKHxAxyWxOwEVhmdAnEEyH1UokNCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00afce7e2269d056a5f5db4055cd76a41192f49c9d3091f12a530cfcd024a19a","last_reissued_at":"2026-05-17T23:46:13.110191Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:46:13.110191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Interface Sharpening in Miscible and Isotopic Multilayers: Role of Short-Circuit Diffusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Ajay Gupta, Atul Tiwari, H.-C. Wille, M. K. Tiwari, Mukul Gupta","submitted_at":"2018-09-16T17:53:20Z","abstract_excerpt":"Atomic diffusion at nanometer length scale may differ significantly from bulk diffusion, and may sometimes even exhibit counterintuitive behavior. In the present work, taking Cu/Ni as a model system, a general phenomenon is reported which results in sharpening of interfaces upon thermal annealing, even in miscible systems. Anomalous x-ray reflectivity from a Cu/Ni multilayer has been used to study the evolution of interfaces with thermal annealing. Annealing at 423 K results in sharpening of interfaces by about 38%. This is the temperature at which no asymmetry exists in the inter-diffusivitie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05920","kind":"arxiv","version":4},"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":"1809.05920","created_at":"2026-05-17T23:46:13.110259+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.05920v4","created_at":"2026-05-17T23:46:13.110259+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05920","created_at":"2026-05-17T23:46:13.110259+00:00"},{"alias_kind":"pith_short_12","alias_value":"ACX447RCNHIF","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"ACX447RCNHIFNJPV","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"ACX447RC","created_at":"2026-05-18T12:32:13.499390+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/ACX447RCNHIFNJPV3NAFLTLWUQ","json":"https://pith.science/pith/ACX447RCNHIFNJPV3NAFLTLWUQ.json","graph_json":"https://pith.science/api/pith-number/ACX447RCNHIFNJPV3NAFLTLWUQ/graph.json","events_json":"https://pith.science/api/pith-number/ACX447RCNHIFNJPV3NAFLTLWUQ/events.json","paper":"https://pith.science/paper/ACX447RC"},"agent_actions":{"view_html":"https://pith.science/pith/ACX447RCNHIFNJPV3NAFLTLWUQ","download_json":"https://pith.science/pith/ACX447RCNHIFNJPV3NAFLTLWUQ.json","view_paper":"https://pith.science/paper/ACX447RC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.05920&json=true","fetch_graph":"https://pith.science/api/pith-number/ACX447RCNHIFNJPV3NAFLTLWUQ/graph.json","fetch_events":"https://pith.science/api/pith-number/ACX447RCNHIFNJPV3NAFLTLWUQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ACX447RCNHIFNJPV3NAFLTLWUQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ACX447RCNHIFNJPV3NAFLTLWUQ/action/storage_attestation","attest_author":"https://pith.science/pith/ACX447RCNHIFNJPV3NAFLTLWUQ/action/author_attestation","sign_citation":"https://pith.science/pith/ACX447RCNHIFNJPV3NAFLTLWUQ/action/citation_signature","submit_replication":"https://pith.science/pith/ACX447RCNHIFNJPV3NAFLTLWUQ/action/replication_record"}},"created_at":"2026-05-17T23:46:13.110259+00:00","updated_at":"2026-05-17T23:46:13.110259+00:00"}