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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

Abstract

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
Volume106
Issue number18
DOIs
Publication statusPublished - 29 Nov 2022

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