{
  "reviewId": "rev-302",
  "manuscriptId": "peerrxiv.2026.00425",
  "reviewNumber": 2,
  "reviewTier": "CORE_MANDATORY",
  "citeKey": "rostova2026peerrxiv00425r2",
  "title": "Peer Review Report #2 (on v1) for: Room-Temperature Ambient-Pressure Superconductivity Claimed in Copper-Substituted Apatite Powders",
  "reviewerName": "Prof. Elena Rostova",
  "reviewerInstitution": "ETH Zürich",
  "reviewerOrcid": "0000-0001-9921-4402",
  "canonicalReviewId": "PeerRxiv:2610.00425.r2",
  "reviewDoi": "10.5555/peerrxiv.2026.00425.r2",
  "zenodoDoi": "10.5281/zenodo.140042592",
  "reviewZenodoDoi": "10.5281/zenodo.140042592",
  "reviewUrl": "http://peerrxiv-platform.pages.dev/reviews/rev-302",
  "references": [
    "Puphal, P. et al. Single crystal synthesis, structure, and magnetism of Pb10-xCux(PO4)6O. APL Mater. 11, 101128 (2023). https://doi.org/10.1063/5.0172755"
  ],
  "formats": {
    "bibtex": "@article{rostova2026peerrxiv00425r2,\n  author        = {Elena Rostova},\n  title         = {{Peer Review Report #2 (on v1) for: Room-Temperature Ambient-Pressure Superconductivity Claimed in Copper-Substituted Apatite Powders}},\n  journal       = {PeerRxiv Open Peer-Review Reports},\n  year          = {2026},\n  eid           = {PeerRxiv:2610.00425.r2},\n  eprint        = {PeerRxiv:2610.00425.r2},\n  archivePrefix = {PeerRxiv},\n  issn          = {0000-0000},\n  doi           = {10.5555/peerrxiv.2026.00425.r2},\n  note          = {Verdict: MAJOR_REVISION; Reviewer ORCID: 0000-0001-9921-4402; Dual Free Zenodo DOI: 10.5281/zenodo.140042592},\n  url           = {http://peerrxiv-platform.pages.dev/reviews/rev-302}\n}",
    "ris": "TY  - JOUR\nTI  - Peer Review Report #2 (on v1) for: Room-Temperature Ambient-Pressure Superconductivity Claimed in Copper-Substituted Apatite Powders\nAU  - Elena Rostova\nT2  - PeerRxiv Open Peer-Review Reports\nPY  - 2026\nDA  - 2026/10/22\nSN  - 0000-0000\nDO  - 10.5555/peerrxiv.2026.00425.r2\nAN  - PeerRxiv:2610.00425.r2\nC1  - Free CERN Zenodo Review DOI: 10.5281/zenodo.140042592\nUR  - http://peerrxiv-platform.pages.dev/reviews/rev-302\nAB  - Powder XRD patterns in Figure 2 show 8 wt% Cu2S secondary phase peaks. Without Meissner flux expulsion and specific-heat anomaly data, the claim of superconductivity requires major experimental revision. Requires Rietveld refinement after chemical etching of Cu2S impurities and AC susceptibility harmonic measurements in the next version.\nER  - ",
    "apa": "Elena Rostova (2026). Peer Review Report #2 (on v1) for: Room-Temperature Ambient-Pressure Superconductivity Claimed in Copper-Substituted Apatite Powders [PeerRxiv:2610.00425.r2]. PeerRxiv Open Peer-Review Reports. https://doi.org/10.5555/peerrxiv.2026.00425.r2 (Dual Zenodo DOI: https://doi.org/10.5281/zenodo.140042592)",
    "latex": "\\bibitem{rostova2026peerrxiv00425r2}\nElena Rostova, ``Peer Review Report #2 (on v1) for: Room-Temperature Ambient-Pressure Superconductivity Claimed in Copper-Substituted Apatite Powders,'' \\emph{PeerRxiv Open Peer-Review Reports}, PeerRxiv:2610.00425.r2, 2026. DOI: \\href{https://doi.org/10.5555/peerrxiv.2026.00425.r2}{10.5555/peerrxiv.2026.00425.r2} (Zenodo DataCite: \\href{https://doi.org/10.5281/zenodo.140042592}{10.5281/zenodo.140042592})."
  }
}