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T<sub>c</sub> seems to increase under uniaxial compression<ref>{{cite journal|last1=Steppke|first1=Alexander|last2=Zhao|first2=Lishan|last3=Barber|first3=Mark E.|last4=Scaffidi|first4=Thomas|last5=Jerzembeck|first5=Fabian|last6=Rosner|first6=Helge|last7=Gibbs|first7=Alexandra S.|last8=Maeno|first8=Yoshiteru|last9=Simon|first9=Steven H.|last10=Mackenzie|first10=Andrew P.|last11=Hicks|first11=Clifford W.|date=2017-01-12|title=Strong peak in T<sub>c</sub> of Sr<sub>2</sub>RuO<sub>4</sub> under uniaxial pressure|url=http://pure-oai.bham.ac.uk/ws/files/102786770/Hicks_2017_Science.pdf|journal=Science|publisher=American Association for the Advancement of Science (AAAS)|volume=355|issue=6321|page=eaaf9398|doi=10.1126/science.aaf9398|issn=0036-8075|pmid=28082534|hdl-access=free|hdl=10023/10113|s2cid=8197509}}</ref> that pushes the van Hove singularity of the d<sub>xy</sub> orbital across the Fermi level.<ref>{{Cite journal|last=Sunko|first=Veronika|last2=Abarca Morales|first2=Edgar|last3=Marković|first3=Igor|last4=Barber|first4=Mark E.|last5=Milosavljević|first5=Dijana|last6=Mazzola|first6=Federico|last7=Sokolov|first7=Dmitry A.|last8=Kikugawa|first8=Naoki|last9=Cacho|first9=Cephise|last10=Dudin|first10=Pavel|last11=Rosner|first11=Helge|date=2019-08-19|title=Direct observation of a uniaxial stress-driven Lifshitz transition in Sr2RuO4|url=https://www.nature.com/articles/s41535-019-0185-9|journal=npj Quantum Materials|language=en|volume=4|issue=1|pages=1–7|doi=10.1038/s41535-019-0185-9 | arxiv=1903.09581 |issn=2397-4648}}</ref>
In August 2021 evidence was reported for ''p''-wave singlet state as in cuprates and conventional superconductors, instead of the conjectured more unconventional ''p''-wave triplet state.<ref>{{Cite journal|last=Chronister|first=Aaron|last2=Pustogow|first2=Andrej|last3=Kikugawa|first3=Naoki|last4=Sokolov|first4=Dmitry A.|last5=Jerzembeck|first5=Fabian|last6=Hicks|first6=Clifford W.|last7=Mackenzie|first7=Andrew P.|last8=Bauer|first8=Eric D.|last9=Brown|first9=Stuart E.|date=2021-06-22|title=Evidence for even parity unconventional superconductivity in Sr2RuO4|url=https://www.pnas.org/content/118/25/e2025313118|journal=Proceedings of the National Academy of Sciences|language=en|volume=118|issue=25|doi=10.1073/pnas.2025313118 |pmc=8237678|issn=0027-8424|pmid=34161272|arxiv=2007.13730}}</ref><ref>{{Cite journal|last=Aut|first=Lopatka Alex author|date=2021-08-05|title=An unconventional superconductor isn’t so odd after all|url=https://physicstoday.scitation.org/do/10.1063/PT.6.1.20210805a/abs/|language=EN|doi=10.1063/PT.6.1.20210805a}}</ref>
==References==
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