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As deposited trilayers are underdoped and have a superconductive transition with $\\rm T_c$ onset at 75 K, zero resistance at 65 K, $\\rm T_{Cueri}$ at 150 K and $\\rm T^*$ of about 200 K. Further reannealing under vacuum yields the 60 K phase of $\\rm YBa_2Cu_3O_x$ which still has zero resistance below about 40 K. Only when $10\\times 100$ micro-bridges were patterned in the trilayer, some of the bridges sho"},"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":"1802.03728","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-02-11T12:14:32Z","cross_cats_sorted":[],"title_canon_sha256":"47accfcf4c6c6f91bbc9227fee604b5cf9d2b6f28a49ae5fd3fce88a93ad9fda","abstract_canon_sha256":"d0040160cb2b84b16a8839c5dfd48f124832c4043f7d326ffa46f4f8a9669c34"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:34.005219Z","signature_b64":"SXspfZ3ygo89DT0p0q6mwfjPkavpoafOQjWvjJ4C9AS+Ah1u4g+IcFTIigvqg02zesFsa3BD4GasQ4wIV6+EDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e1f0b2431e1056db1f5e2a2ef1fa073f9a8e67ecf5ac7a7f0d6c28099f95e68","last_reissued_at":"2026-05-18T00:14:34.004607Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:34.004607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Strongly suppressed superconducting proximity effect and ferromagnetism in trilayers of $\\rm Bi_2Se_3$ / $\\rm SrRuO_3$ / underdoped $\\rm YBa_2Cu_3O_x$: A possible new platform for Majorana nano-electronics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Gad Koren","submitted_at":"2018-02-11T12:14:32Z","abstract_excerpt":"We report properties of topological insulator - ferromagnet - superconductor trilayers comprised of thin films of 20 nm thick $\\rm Bi_2Se_3$ on 10 nm $\\rm SrRuO_3$ on 30 nm $\\rm YBa_2Cu_3O_x$. As deposited trilayers are underdoped and have a superconductive transition with $\\rm T_c$ onset at 75 K, zero resistance at 65 K, $\\rm T_{Cueri}$ at 150 K and $\\rm T^*$ of about 200 K. Further reannealing under vacuum yields the 60 K phase of $\\rm YBa_2Cu_3O_x$ which still has zero resistance below about 40 K. 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