SKM 2023 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 34: Fe-based Superconductors

TT 34.4: Talk

Wednesday, March 29, 2023, 12:15–12:30, HSZ 103

The resistive anisotropy of FeSe in the nematic state — •Clifford Hicks^1,2, Jack Bartlett², Alexander Steppke², Suguru Hosoi³, Takasada Shibauchi⁴, and Andrew Mackenzie² — ¹University of Birmingham, U.K. — ²Max Planck Institute for Chemical Physics of Solids, Dresden — ³Osaka University, Japan — ⁴University of Tokyo, Japan

We employed strain tuning to adjust the degree of twinning of samples of FeSe. By doing so, we were able to measure the resistive anisotropy in the nematic state. The resistive anisotropy of the nematic state, along with the dependence of the resistivity and the superconducting critical temperature on biaxial strain suggest a strong role for the yz orbital in electronic scattering in FeSe.