Abstract
We have used X-ray diffraction to study the structural phase of CeCoIn5 in external pressure. Using high-pressure X-ray diffraction, we find that the crystalline phase is stable in the P4/mmm phase for pressures ≤51.2 GPa. From our measured equation of state, we find a bulk modulus given by B 0 = 72.8 ± 2.9 GPa and a first pressure derivative of B ′ = 5.1 ± 0.3. Measurement of the electrical resistivity of CeCoIn5 to pressures as high as 34.4 GPa shows the existence of a peak in resistivity at p ∗ = 8.2 ± 0.2 GPa.
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Brady, N.F., Montgomery, J.M., Tsoi, G. et al. Equation of state and electrical resistivity of the heavy fermion superconductor CeCoIn5 to 51 GPa. Eur. Phys. J. B 86, 334 (2013). https://doi.org/10.1140/epjb/e2013-40563-7
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DOI: https://doi.org/10.1140/epjb/e2013-40563-7