Dependence of Tc of YBa2Cu3O6.67 on in-plane uniaxial stress

M.E. Barber*, H.-H. Kim, T. Loew, M. Le Tacon, M. Minola, M. Konczykowski, B. Keimer, A.P. Mackenzie, C.W. Hicks*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)
3 Downloads (Pure)


We probe the effect on Tc of in-plane uniaxial stress applied to the high-temperature superconductor YBa2Cu3O6.67. We find a highly anisotropic response. Under compression along the b axis, which reduces the orthorhombicity of the CuO2 planes, Tc is broadly flat for stresses up to at least 1.7 GPa. Under compression along the a axis, Tc decreases steeply. For stresses beyond ≈1 GPa the decrease is quasilinear. We hypothesize that superconductivity is suppressed by competition with uniaxial charge density wave order, which has been found to onset at ≈1 GPa.
Original languageEnglish
Article number184516
Number of pages9
JournalPhysical Review B
Issue number18
Publication statusPublished - 29 Nov 2022


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