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Tokunaga","submitted_at":"2004-01-22T09:10:42Z","abstract_excerpt":"We report a coexistence of superconductivity and antiferromagnetism in five-layered compound HgBa$_2$Ca$_4$Cu$_5$O$_y$ (Hg-1245) with $T_c=108$ K, which is composed of two types of CuO$_2$ planes in a unit cell; three inner planes (IP's) and two outer planes (OP's). The Cu-NMR study has revealed that the optimallydoped OP undergoes a superconducting (SC) transition at $T_c=108$ K, whereas the three underdoped IP's do an antiferromagnetic (AF) transition below $T_N\\sim$ 60 K with the Cu moments of $\\sim (0.3-0.4)\\mu_B$. Thus bulk superconductivity with a high value of $T_c=108$ K and a static A"},"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":"cond-mat/0401416","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2004-01-22T09:10:42Z","cross_cats_sorted":[],"title_canon_sha256":"d8a0c3074cfb94cd12f000f5da0d194f3d99039919a4120c4aa0b1a894fbe81f","abstract_canon_sha256":"edf7fb34b5d5279370176e12ba4f68285832f8cfbb807ed64f063dcc5dcb634b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:45:41.085461Z","signature_b64":"SdhtauZt7F6AeFEiRPlo091s6n2MH3UwiBNb4r6i85c1ESsidKOYeEiU1gX5ODHkJllPItTT94V1rc5vXc4oAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb00e2529f01d492236fe1353012e1afc1cd61af5b6b18574246f46508272110","last_reissued_at":"2026-07-04T16:45:41.085035Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:45:41.085035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Coexistence of Superconductivity and Antiferromagnetism in Multilayered High-$T_c$ Superconductor HgBa$_2$Ca$_4$Cu$_5$O$_y$: A Cu-NMR Study","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. 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