Elsevier

Physica B: Condensed Matter

Volumes 230–232, February 1997, Pages 402-405
Physica B: Condensed Matter

Mixed state transport properties and peak effect in f-electron superconductors

https://doi.org/10.1016/S0921-4526(96)00734-XGet rights and content

Abstract

We have measured the electrical resistivity, Hall effect and transverse even voltage in the flux-flow state of CeRu2, CeCo2 and Yb3Rh4Sn13. In all the transport properties, we found a clear anomaly related with the peak effect, which was argued in relation to the inhomogenous superconducting phase proposed by Fulde-Ferrell and Larkin-Ovchinnikov. The pinning force and the transverse even voltage depend largely on sample quality. A deviation from the ordinary BCS prediction, suggesting an anisotropy in the superconducting gap, has been found in the specific head of CeCo2/

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