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Journal Article

Tuning the Fermi liquid crossover in Sr2RuO4 with uniaxial stress

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Jerzembeck,  F.
Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Hicks,  C. W.
Clifford Hicks, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Chronister, A., Zingl, M., Pustogow, A., Luo, Y., Sokolov, D., Jerzembeck, F., et al. (2022). Tuning the Fermi liquid crossover in Sr2RuO4 with uniaxial stress. npj Quantum Materials, 7(1): 113, pp. 1-6. doi:10.1038/s41535-022-00519-6.


Cite as: https://hdl.handle.net/21.11116/0000-000C-4D5F-5
Abstract
We perform nuclear magnetic resonance (NMR) measurements of the oxygen-17 Knight shifts for Sr2RuO4, while subjected to uniaxial stress applied along [100] direction. The resulting strain is associated with a strong variation of the temperature and magnetic field dependence of the inferred magnetic response. A quasiparticle description based on density-functional theory calculations, supplemented by many-body renormalizations, is found to reproduce our experimental results, and highlights the key role of a van-Hove singularity. The Fermi-liquid coherence scale is shown to be tunable by strain, and driven to low values as the associated Lifshitz transition is approached. © 2022, The Author(s).