Pressure dependence of the superconductivity in PuCoGa5

We report high-pressure resistivity measurements on a single crystal of PuCoGa5 using a Bridgman anvil cell with steatite pressure medium. As a function of pressure, the superconducting transition temperature Tc increases from its ambient pressure value of 18.5-22 K at 16.4 GPa. The superconducting...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2004-05, Vol.272-276, p.154-155
Main Authors: Griveau, J.-C, Pfleiderer, C, Boulet, P, Rebizant, J, Wastin, F
Format: Article
Language:English
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Summary:We report high-pressure resistivity measurements on a single crystal of PuCoGa5 using a Bridgman anvil cell with steatite pressure medium. As a function of pressure, the superconducting transition temperature Tc increases from its ambient pressure value of 18.5-22 K at 16.4 GPa. The superconducting transition width increases, suggestive of a high sensitivity to the isotropy of the pressure medium. The stabilisation of the superconductivity over a very large pressure range contrasts unconventional superconducting states in f-electron heavy fermion materials.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2003.11.056