Equation of state and electrical resistivity of the heavy fermion superconductor CeCoIn 5 to 51 GPa

N. Brady, J. Montgomery, G. Tsoi, T. Gebre, S. Weir, Y. Vohra and D. Hilton ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2013, vol. 86, issue 7, 1-4

Abstract: We have used X-ray diffraction to study the structural phase of CeCoIn 5 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 CeCoIn 5 to pressures as high as 34.4 GPa shows the existence of a peak in resistivity at p ∗ =8.2 ± 0.2 GPa. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2013

Keywords: Solid State and Materials (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1140/epjb/e2013-40563-7

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