{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:KFRQTE3JCHPT4IQQKFTLPBZLXK","short_pith_number":"pith:KFRQTE3J","schema_version":"1.0","canonical_sha256":"516309936911df3e22105166b7872bbab1cdbcfde3d73d8d1f3570795b7ac6c1","source":{"kind":"arxiv","id":"1009.2657","version":1},"attestation_state":"computed","paper":{"title":"YBa2Cu3O7 grain boundary junctions and low-noise superconducting quantum interference devices patterned by a focused ion beam down to 80 nm linewidth","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"B. B\\\"uchner, D. Koelle, E. Kleisz, J. Nagel, K. B. Konovalenko, M. Kemmler, M. Turad, R. Kleiner, R. Klingeler, R. Werner, S. Menzel","submitted_at":"2010-09-14T13:30:26Z","abstract_excerpt":"YBa$_2$Cu$_3$O$_7$ 24$^\\circ$ (30$^\\circ$) bicrystal grain boundary junctions (GBJs), shunted with 60\\,nm (20\\,nm) thick Au, were fabricated by focused ion beam milling with widths $80\\,{\\rm nm} \\le w \\le 7.8\\,\\mu$m. At 4.2\\,K we find critical current densities $j_c$ in the $10^5\\,{\\rm A/cm^2}$ range %\\dkc{\\#1} (without a clear dependence on $w$) and an increase in resistance times junction area $\\rho$ with an approximate scaling $\\rho\\propto w^{1/2}$. For the narrowest GBJs $j_c\\rho\\approx 100\\,\\mu$V, which is promising for the realization of sensitive nanoSQUIDs for the detection of small sp"},"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":"1009.2657","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-09-14T13:30:26Z","cross_cats_sorted":[],"title_canon_sha256":"d03e1bb07b175899bf3ba23787295d48223a27543153cd96167855e8a93441e8","abstract_canon_sha256":"36854270fd4ed6b984f7b94713cfb8af29caa85dfa8bb754b9fb854b8d3865ef"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:40:56.628820Z","signature_b64":"A6M2CauDxpE8Jo947lgPKQY8Wd55kQvXufrM85XIjog+Cbiqy5204HeGwpIc9aKFTQB0Z/YcQlFSRQp72MWmDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"516309936911df3e22105166b7872bbab1cdbcfde3d73d8d1f3570795b7ac6c1","last_reissued_at":"2026-05-18T04:40:56.628205Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:40:56.628205Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"YBa2Cu3O7 grain boundary junctions and low-noise superconducting quantum interference devices patterned by a focused ion beam down to 80 nm linewidth","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"B. B\\\"uchner, D. Koelle, E. Kleisz, J. Nagel, K. B. Konovalenko, M. Kemmler, M. Turad, R. Kleiner, R. Klingeler, R. Werner, S. Menzel","submitted_at":"2010-09-14T13:30:26Z","abstract_excerpt":"YBa$_2$Cu$_3$O$_7$ 24$^\\circ$ (30$^\\circ$) bicrystal grain boundary junctions (GBJs), shunted with 60\\,nm (20\\,nm) thick Au, were fabricated by focused ion beam milling with widths $80\\,{\\rm nm} \\le w \\le 7.8\\,\\mu$m. At 4.2\\,K we find critical current densities $j_c$ in the $10^5\\,{\\rm A/cm^2}$ range %\\dkc{\\#1} (without a clear dependence on $w$) and an increase in resistance times junction area $\\rho$ with an approximate scaling $\\rho\\propto w^{1/2}$. For the narrowest GBJs $j_c\\rho\\approx 100\\,\\mu$V, which is promising for the realization of sensitive nanoSQUIDs for the detection of small sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.2657","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":""},"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":"1009.2657","created_at":"2026-05-18T04:40:56.628301+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.2657v1","created_at":"2026-05-18T04:40:56.628301+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.2657","created_at":"2026-05-18T04:40:56.628301+00:00"},{"alias_kind":"pith_short_12","alias_value":"KFRQTE3JCHPT","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_16","alias_value":"KFRQTE3JCHPT4IQQ","created_at":"2026-05-18T12:26:09.077623+00:00"},{"alias_kind":"pith_short_8","alias_value":"KFRQTE3J","created_at":"2026-05-18T12:26:09.077623+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/KFRQTE3JCHPT4IQQKFTLPBZLXK","json":"https://pith.science/pith/KFRQTE3JCHPT4IQQKFTLPBZLXK.json","graph_json":"https://pith.science/api/pith-number/KFRQTE3JCHPT4IQQKFTLPBZLXK/graph.json","events_json":"https://pith.science/api/pith-number/KFRQTE3JCHPT4IQQKFTLPBZLXK/events.json","paper":"https://pith.science/paper/KFRQTE3J"},"agent_actions":{"view_html":"https://pith.science/pith/KFRQTE3JCHPT4IQQKFTLPBZLXK","download_json":"https://pith.science/pith/KFRQTE3JCHPT4IQQKFTLPBZLXK.json","view_paper":"https://pith.science/paper/KFRQTE3J","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.2657&json=true","fetch_graph":"https://pith.science/api/pith-number/KFRQTE3JCHPT4IQQKFTLPBZLXK/graph.json","fetch_events":"https://pith.science/api/pith-number/KFRQTE3JCHPT4IQQKFTLPBZLXK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KFRQTE3JCHPT4IQQKFTLPBZLXK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KFRQTE3JCHPT4IQQKFTLPBZLXK/action/storage_attestation","attest_author":"https://pith.science/pith/KFRQTE3JCHPT4IQQKFTLPBZLXK/action/author_attestation","sign_citation":"https://pith.science/pith/KFRQTE3JCHPT4IQQKFTLPBZLXK/action/citation_signature","submit_replication":"https://pith.science/pith/KFRQTE3JCHPT4IQQKFTLPBZLXK/action/replication_record"}},"created_at":"2026-05-18T04:40:56.628301+00:00","updated_at":"2026-05-18T04:40:56.628301+00:00"}