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Co-co-doped (Ca,La)112 showed large diamagnetic screening and sharper superconducting transition than Co-free (Ca,La)112. Tczero observed in resistivity measurements increased from 14 K to 30 K by Co-co-doping, while Tconset was not increased. The critical current density (Jc) of Co-co-doped (Ca,La)112 were approximately 2.1 x 104 Acm-2 and 3.2 x 103 Acm-2 at 2 K and 25 K, respectively, near ze"},"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":"1505.07242","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-05-27T09:43:48Z","cross_cats_sorted":[],"title_canon_sha256":"5aac322af5aed4b5104565c776fb97a435fe7c88bec934f34690cc56d5e0b1bf","abstract_canon_sha256":"726c66240ae08894d3b9aed4356cf55ef1d4de90f4735d1524bc588c64d638a3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:05.239394Z","signature_b64":"FZtxa1aGDzBbCLZl+YwxrSVdq9Yb4R9eY6wLDyaGJTvq3WxmrB2B+CX6k6dHqHz50wYHNewO8gk/kWrkmxGHBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"877b717ed9e59606119af350d42d47d505387a43b36dc9c04b64b38e3f2b027c","last_reissued_at":"2026-05-18T02:02:05.238589Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:05.238589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Co-co-doping effect for (Ca,RE)FeAs2 sintered bulk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Akira Iyo, Alberto Sala, Hiraku Ogino, Hiroshi Eisaki, Hiroyuki Yakita, Jun-ichi Shimoyama, Kohji Kishio, Tomoyuki Okada","submitted_at":"2015-05-27T09:43:48Z","abstract_excerpt":"Superconducting properties of Co-co-doped (Ca,RE)FeAs2 ((Ca,RE)112: RE = La, Pr) were investigated. 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