{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:JKTTEUW5RJRRWNORJT252HXKP7","short_pith_number":"pith:JKTTEUW5","schema_version":"1.0","canonical_sha256":"4aa73252dd8a631b35d14cf5dd1eea7fcaea6307d5b5c7249bf9ce234ab98d8b","source":{"kind":"arxiv","id":"1810.04070","version":2},"attestation_state":"computed","paper":{"title":"Improvement of the critical temperature of NbTiN films on III-nitride substrates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"physics.app-ph","authors_text":"Anna Mukhtarova, Catherine Bougerol, Eva Monroy, Houssaine Machhadani, Jean-Luc Thomassin, Jean-Michel G\\'erard, Julien Zichi, Nicolas Mollard, St\\'ephane Lequien, Val Zwiller","submitted_at":"2018-10-09T15:24:57Z","abstract_excerpt":"In this paper, we study the impact of using III-nitride semiconductors (GaN, AlN) as substrates for ultrathin (11 nm) superconducting films of NbTiN deposited by reactive magnetron sputtering. The resulting NbTiN layers are (111)-oriented, fully relaxed, and they keep an epitaxial relation with the substrate. The higher critical superconducting temperature (Tc = 11.8 K) was obtained on AlN-on-sapphire, which was the substrate with smaller lattice mismatch with NbTiN. We attribute this improvement to a reduction of the NbTiN roughness, which appears associated to the relaxation of the lattice m"},"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":"1810.04070","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-10-09T15:24:57Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"69587f40d54bf857ea326f23c691ad8831e091bb42eac21173ba9c67c1377ae3","abstract_canon_sha256":"73ae3228983dd969cdc18f5b7ed905a48268678b5772107b9eec16771d52ffe0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:22.369820Z","signature_b64":"a9US4sFLbj1HHpn/2O5pG84FiQv3rca4mDL111T9uuwdURdii32hcZYMMkoqYrcYGcStEBHmP093HwVu705OAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4aa73252dd8a631b35d14cf5dd1eea7fcaea6307d5b5c7249bf9ce234ab98d8b","last_reissued_at":"2026-05-17T23:54:22.369172Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:22.369172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Improvement of the critical temperature of NbTiN films on III-nitride substrates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"physics.app-ph","authors_text":"Anna Mukhtarova, Catherine Bougerol, Eva Monroy, Houssaine Machhadani, Jean-Luc Thomassin, Jean-Michel G\\'erard, Julien Zichi, Nicolas Mollard, St\\'ephane Lequien, Val Zwiller","submitted_at":"2018-10-09T15:24:57Z","abstract_excerpt":"In this paper, we study the impact of using III-nitride semiconductors (GaN, AlN) as substrates for ultrathin (11 nm) superconducting films of NbTiN deposited by reactive magnetron sputtering. The resulting NbTiN layers are (111)-oriented, fully relaxed, and they keep an epitaxial relation with the substrate. The higher critical superconducting temperature (Tc = 11.8 K) was obtained on AlN-on-sapphire, which was the substrate with smaller lattice mismatch with NbTiN. We attribute this improvement to a reduction of the NbTiN roughness, which appears associated to the relaxation of the lattice m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.04070","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":"1810.04070","created_at":"2026-05-17T23:54:22.369271+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.04070v2","created_at":"2026-05-17T23:54:22.369271+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.04070","created_at":"2026-05-17T23:54:22.369271+00:00"},{"alias_kind":"pith_short_12","alias_value":"JKTTEUW5RJRR","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_16","alias_value":"JKTTEUW5RJRRWNOR","created_at":"2026-05-18T12:32:31.084164+00:00"},{"alias_kind":"pith_short_8","alias_value":"JKTTEUW5","created_at":"2026-05-18T12:32:31.084164+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/JKTTEUW5RJRRWNORJT252HXKP7","json":"https://pith.science/pith/JKTTEUW5RJRRWNORJT252HXKP7.json","graph_json":"https://pith.science/api/pith-number/JKTTEUW5RJRRWNORJT252HXKP7/graph.json","events_json":"https://pith.science/api/pith-number/JKTTEUW5RJRRWNORJT252HXKP7/events.json","paper":"https://pith.science/paper/JKTTEUW5"},"agent_actions":{"view_html":"https://pith.science/pith/JKTTEUW5RJRRWNORJT252HXKP7","download_json":"https://pith.science/pith/JKTTEUW5RJRRWNORJT252HXKP7.json","view_paper":"https://pith.science/paper/JKTTEUW5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.04070&json=true","fetch_graph":"https://pith.science/api/pith-number/JKTTEUW5RJRRWNORJT252HXKP7/graph.json","fetch_events":"https://pith.science/api/pith-number/JKTTEUW5RJRRWNORJT252HXKP7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JKTTEUW5RJRRWNORJT252HXKP7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JKTTEUW5RJRRWNORJT252HXKP7/action/storage_attestation","attest_author":"https://pith.science/pith/JKTTEUW5RJRRWNORJT252HXKP7/action/author_attestation","sign_citation":"https://pith.science/pith/JKTTEUW5RJRRWNORJT252HXKP7/action/citation_signature","submit_replication":"https://pith.science/pith/JKTTEUW5RJRRWNORJT252HXKP7/action/replication_record"}},"created_at":"2026-05-17T23:54:22.369271+00:00","updated_at":"2026-05-17T23:54:22.369271+00:00"}