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Well known examples include high-\n                    <jats:italic>T<\/jats:italic>\n                    <jats:sub>\n                      <jats:italic>c<\/jats:italic>\n                    <\/jats:sub>\n                    cuprates and uranium-based heavy fermion superconductors. Less explored are unconventional superconductors with strong spin-orbit coupling, where interactions between spin-polarised electrons and external magnetic field can result in multiple superconducting phases and field-induced transitions between them, a rare phenomenon in the superconducting state. Here we report a magnetic-field driven phase transition in \u03b2-PdBi\n                    <jats:sub>2<\/jats:sub>\n                    , a layered non-magnetic superconductor. Our tunnelling spectroscopy on thin PdBi\n                    <jats:sub>2<\/jats:sub>\n                    monocrystals incorporated in planar superconductor-insulator-normal metal junctions reveals a marked discontinuity in the superconducting properties with increasing in-plane field, which is consistent with a transition from conventional (s-wave) to nodal pairing. Our theoretical analysis suggests that this phase transition may arise from spin polarisation and spin-momentum locking caused by locally broken inversion symmetry, with p-wave pairing becoming energetically favourable in high fields. Our findings also reconcile earlier predictions of unconventional multigap superconductivity in \u03b2-PdBi\n                    <jats:sub>2<\/jats:sub>\n                    with previous experiments where only a single s-wave gap could be detected.\n                  <\/jats:p>","DOI":"10.1038\/s41467-024-54867-x","type":"journal-article","created":{"date-parts":[[2025,1,2]],"date-time":"2025-01-02T21:20:10Z","timestamp":1735852810000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Multiphase superconductivity in PdBi2"],"prefix":"10.1038","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7524-8903","authenticated-orcid":false,"given":"Lewis","family":"Powell","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenjun","family":"Kuang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabriel","family":"Hawkins-Pottier","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rashid","family":"Jalil","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6916-4375","authenticated-orcid":false,"given":"John","family":"Birkbeck","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ziyi","family":"Jiang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minsoo","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4171-7185","authenticated-orcid":false,"given":"Yichao","family":"Zou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5925-6559","authenticated-orcid":false,"given":"Sofiia","family":"Komrakova","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5509-6706","authenticated-orcid":false,"given":"Sarah","family":"Haigh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ivan","family":"Timokhin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5890-1149","authenticated-orcid":false,"given":"Geetha","family":"Balakrishnan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andre K.","family":"Geim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2061-5534","authenticated-orcid":false,"given":"Niels","family":"Walet","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4776-6965","authenticated-orcid":false,"given":"Alessandro","family":"Principi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5991-7778","authenticated-orcid":false,"given":"Irina V.","family":"Grigorieva","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,1,2]]},"reference":[{"key":"54867_CR1","doi-asserted-by":"publisher","first-page":"331","DOI":"10.1103\/RevModPhys.47.331","volume":"47","author":"AJ Leggett","year":"1975","unstructured":"Leggett, A. 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