{"schemaVersion":"1.0","revision":"f7fd14ee9630d80d1b55","collection":"weekly-research","warning":null,"total":1,"editions":[{"schemaVersion":"1.0","revision":"e667ac57b30d9f0fee58","snapshotRevision":"fd7fb1e69750f728d470","issue":{"id":"2026-W42","selectedAt":"2026-10-18","checkedAt":"2026-10-18","status":"published","outcome":"selected","title":"Graphene, nickelates and a single copper–oxygen plane","selectionBasis":"Editorial selection across graphene, nickelates and cuprates, ordered by publication date. Not a popularity ranking or exhaustive literature feed.","editorialNote":"Initial selection preserved from 18 October 2026. This is the starting archive, not a record of earlier weekly editions. Original source-check dates have not been refreshed by this migration.","items":[{"id":"graphene-phase-sensitive-2026","title":"Probing broken time-reversal symmetry in graphene","paperTitle":"Phase-sensitive signatures of time-reversal-symmetry-breaking superconductivity in magic-angle twisted trilayer graphene","journal":"Nature Communications","publishedAt":"2026-10-07","publicationStatus":"peer-reviewed-accepted-early-version","publicationLabel":"Peer-reviewed · early version","doi":"10.1038/s41467-026-78374-3","url":"https://www.nature.com/articles/s41467-026-78374-3","summary":"Josephson interferometry in magic-angle twisted trilayer graphene reveals asymmetric interference and field-sweep hysteresis below about 0.8 K, beneath the superconducting onset near 2 K.","limitation":"The authors interpret these signatures as consistent with broken time-reversal symmetry; they do not uniquely establish a chiral pairing state.","topicSlug":"two-dimensional-interfaces","topicLabel":"Two-dimensional superconductivity","verificationScope":"Publisher abstract and publication-status notice; no full-text or independent replication review.","checkedAt":"2026-10-18","paperId":"doi:10.1038/s41467-026-78374-3","version":"Publisher record as checked on 2026-10-18","firstRecommendedIssue":"2026-W42","whyItMatters":"Phase-sensitive probes help connect interference measurements to candidate superconducting symmetries."},{"id":"nickelate-interlayer-2026","title":"Interlayer coherence in superconducting nickelates","paperTitle":"Interlayer hybridization promotes superconductivity in bilayer nickelates","journal":"Nature Materials","publishedAt":"2026-09-23","publicationStatus":"journal-article","publicationLabel":"Peer-reviewed article","doi":"10.1038/s41563-026-02750-z","url":"https://www.nature.com/articles/s41563-026-02750-z","summary":"X-ray spectroscopy of protected (La,Pr)3Ni2O7 films links superconductivity to coherent interlayer orbital hybridization, with oxygen content and epitaxial strain tuning the electronic states.","limitation":"This film-specific evidence supports a multiorbital interpretation but does not by itself settle the pairing mechanism across nickelate families.","topicSlug":"nickelates","topicLabel":"Nickelate superconductors","verificationScope":"Publisher abstract and bibliographic record; subscription full text and raw data not reviewed.","checkedAt":"2026-10-18","paperId":"doi:10.1038/s41563-026-02750-z","version":"Publisher record as checked on 2026-10-18","firstRecommendedIssue":"2026-W42","whyItMatters":"A material-specific link between orbital coherence and superconductivity guides comparisons between nickelate samples."},{"id":"single-plane-cuprate-2026","title":"Superconductivity in a single copper–oxygen plane","paperTitle":"Superconducting 2D cuprate with a single CuO2 plane","journal":"Nature","publishedAt":"2026-08-12","publicationStatus":"journal-article","publicationLabel":"Peer-reviewed article","doi":"10.1038/s41586-026-10857-1","url":"https://www.nature.com/articles/s41586-026-10857-1","summary":"Monolayer Bi-2201 retains superconductivity with one CuO2 plane, while controlled oxygenation reveals an intermediate anomalous metal and unusual scaling near the superconductor–insulator transition.","limitation":"The reported phase behavior concerns this material and tuning protocol; its zero-temperature interpretation is inferred from finite-temperature measurements.","topicSlug":"cuprates","topicLabel":"Cuprate superconductors","verificationScope":"Publisher abstract and bibliographic record; subscription full text and raw data not reviewed.","checkedAt":"2026-10-18","paperId":"doi:10.1038/s41586-026-10857-1","version":"Publisher record as checked on 2026-10-18","firstRecommendedIssue":"2026-W42","whyItMatters":"A single-plane platform helps isolate how dimensionality and oxygen tuning affect cuprate transport."}]},"notices":[],"warning":null}],"page":{"limit":20,"returned":1,"nextCursor":null,"next":null}}