{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:ATSZLCF5HPZ2ZRAURBGXGCVEJO","short_pith_number":"pith:ATSZLCF5","schema_version":"1.0","canonical_sha256":"04e59588bd3bf3acc414884d730aa44ba839e3ac4b49d3f9677e50c8e1751d64","source":{"kind":"arxiv","id":"2509.10606","version":1},"attestation_state":"computed","paper":{"title":"Nanosculpting lateral weak link junctions in superconducting Fe(Te,Se)/Bi2Te3 with focused Si++ ions and implications on vortex pinning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"An Hsi Chen, Debarghya Mallick, Gyula Eres, Ivan Kravchenko, Liam Collins, Matthew Brahlek, Qiangsheng Lu, Robert G. Moore, Sangsoo Kim, Scott T. Retterer, Stephen Jesse, Steven J. Randolph, Sujoy Ghosh","submitted_at":"2025-09-12T18:00:01Z","abstract_excerpt":"Superconductor-normal-superconductor (SC-N-SC) weak links enable Cooper-pair tunneling and serve as Josephson junctions (JJs) used in modern superconducting qubits. Conventional JJs rely on vertically stacked Al-AlOx-Al trilayers that are difficult to fabricate and are sensitive to ambient exposure. Here, we demonstrate an all-in-plane alternative by \"nanosculpting\" ~100 nm-wide channels into thin films of FeTe0.75Se0.25/Bi2Te3 (FTS/BT), a candidate topological superconductor, with a Si++ focusses ion beam (FIB). Systematic irradiation shows that increasing the ion dose, while keeping the beam"},"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":"2509.10606","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2025-09-12T18:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"b66772589517223b909b4c8686ccb9438a5217ceebaef1318163aca1d67acf2e","abstract_canon_sha256":"fe07db0e5977e6bb1676397f0e3394a9af7e0e29e20004631da918b07a74cf39"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:11:24.157393Z","signature_b64":"Cz+SK9S432qpa7HKTr76FhMk1HXe+mvl1WIvxX7feV2KqQweYclrpyX65zCmthTvCrLDVsV5oGb8uVCMwuY8AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04e59588bd3bf3acc414884d730aa44ba839e3ac4b49d3f9677e50c8e1751d64","last_reissued_at":"2026-07-05T12:11:24.156879Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:11:24.156879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nanosculpting lateral weak link junctions in superconducting Fe(Te,Se)/Bi2Te3 with focused Si++ ions and implications on vortex pinning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"An Hsi Chen, Debarghya Mallick, Gyula Eres, Ivan Kravchenko, Liam Collins, Matthew Brahlek, Qiangsheng Lu, Robert G. Moore, Sangsoo Kim, Scott T. Retterer, Stephen Jesse, Steven J. Randolph, Sujoy Ghosh","submitted_at":"2025-09-12T18:00:01Z","abstract_excerpt":"Superconductor-normal-superconductor (SC-N-SC) weak links enable Cooper-pair tunneling and serve as Josephson junctions (JJs) used in modern superconducting qubits. Conventional JJs rely on vertically stacked Al-AlOx-Al trilayers that are difficult to fabricate and are sensitive to ambient exposure. Here, we demonstrate an all-in-plane alternative by \"nanosculpting\" ~100 nm-wide channels into thin films of FeTe0.75Se0.25/Bi2Te3 (FTS/BT), a candidate topological superconductor, with a Si++ focusses ion beam (FIB). Systematic irradiation shows that increasing the ion dose, while keeping the beam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.10606","kind":"arxiv","version":1},"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/2509.10606/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":"2509.10606","created_at":"2026-07-05T12:11:24.156942+00:00"},{"alias_kind":"arxiv_version","alias_value":"2509.10606v1","created_at":"2026-07-05T12:11:24.156942+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.10606","created_at":"2026-07-05T12:11:24.156942+00:00"},{"alias_kind":"pith_short_12","alias_value":"ATSZLCF5HPZ2","created_at":"2026-07-05T12:11:24.156942+00:00"},{"alias_kind":"pith_short_16","alias_value":"ATSZLCF5HPZ2ZRAU","created_at":"2026-07-05T12:11:24.156942+00:00"},{"alias_kind":"pith_short_8","alias_value":"ATSZLCF5","created_at":"2026-07-05T12:11:24.156942+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/ATSZLCF5HPZ2ZRAURBGXGCVEJO","json":"https://pith.science/pith/ATSZLCF5HPZ2ZRAURBGXGCVEJO.json","graph_json":"https://pith.science/api/pith-number/ATSZLCF5HPZ2ZRAURBGXGCVEJO/graph.json","events_json":"https://pith.science/api/pith-number/ATSZLCF5HPZ2ZRAURBGXGCVEJO/events.json","paper":"https://pith.science/paper/ATSZLCF5"},"agent_actions":{"view_html":"https://pith.science/pith/ATSZLCF5HPZ2ZRAURBGXGCVEJO","download_json":"https://pith.science/pith/ATSZLCF5HPZ2ZRAURBGXGCVEJO.json","view_paper":"https://pith.science/paper/ATSZLCF5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2509.10606&json=true","fetch_graph":"https://pith.science/api/pith-number/ATSZLCF5HPZ2ZRAURBGXGCVEJO/graph.json","fetch_events":"https://pith.science/api/pith-number/ATSZLCF5HPZ2ZRAURBGXGCVEJO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ATSZLCF5HPZ2ZRAURBGXGCVEJO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ATSZLCF5HPZ2ZRAURBGXGCVEJO/action/storage_attestation","attest_author":"https://pith.science/pith/ATSZLCF5HPZ2ZRAURBGXGCVEJO/action/author_attestation","sign_citation":"https://pith.science/pith/ATSZLCF5HPZ2ZRAURBGXGCVEJO/action/citation_signature","submit_replication":"https://pith.science/pith/ATSZLCF5HPZ2ZRAURBGXGCVEJO/action/replication_record"}},"created_at":"2026-07-05T12:11:24.156942+00:00","updated_at":"2026-07-05T12:11:24.156942+00:00"}