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Zero-field $\\mu^+$SR experiments reveal the existence of bulk long-range magnetic order in La$_{1.9}$Pr$_{1.1}$Ni$_2$O$_{6.97}$ with $T_{N}=161\\ \\rm{K}$, while La$_3$Ni$_2$O$_{6.63}$ exhibits a short-range magnetic ground state with $T_N=30\\ \\rm{K}$. The magnetic transition width of La$_{1.9}$Pr$_{1.1}$Ni$_2$O$_{6.97}$ revealed by weak-transverse-field $\\mu^+$SR is narrower compared to La$_3$Ni$_2$O$_{6.92}$."},"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":"2412.09003","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-12-12T07:12:24Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"018560f15e49d7a0867d78426f632a8c8271d30f63f898bf845b9b61cdbd4a56","abstract_canon_sha256":"c0da7eb8d6a0cf3c826f339a5b3b4fdbb1fe83c32d0439d89b2fb2fa6b3d0402"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:48:05.238635Z","signature_b64":"DdnloB+A+Tq2clncNdT0RvzRCvTXOH1X+OAFpl6Qi1sOVzEJg1yUrk36Q/YRotRzqNqIkXZ+yXQvIVwIHEUSDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c283f5c387ed708c1971b8b48080c76f81a2a9b1096c9af52d702cf35e72aeaf","last_reissued_at":"2026-07-05T09:48:05.238161Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:48:05.238161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evolution of magnetism in Ruddlesden-Popper bilayer nickelate revealed by muon spin relaxation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"C. 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