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

H. Sato; Y. Aoki; Y. Kobayashi; H. R. Sato; T. Nishigaki; H. Sugawara; M. Hedo; Y. Inada; Y. Onuki

doi:10.1016/S0921-4526(96)00734-X

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

H. Sato, Y. Aoki, Y. Kobayashi, H. R. Sato, T. Nishigaki, H. Sugawara, M. Hedo, Y. Inada, Y. Onuki

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

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 inhomogeneous 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 heat of CeCo₂.

Original language	English
Pages (from-to)	402-405
Number of pages	4
Journal	Physica B: Condensed Matter
Volume	230-232
DOIs	https://doi.org/10.1016/S0921-4526(96)00734-X
Publication status	Published - Feb 1997
Externally published	Yes

Keywords

Anisotropic gap
CeCo
CeRu
Flux-flow transport properties
Superconductivity
Transport properties
YbRhSn Peak effect

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1016/S0921-4526(96)00734-X

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title = "Mixed state transport properties and peak effect in f-electron superconductors",

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 inhomogeneous 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 heat of CeCo2.",

keywords = "Anisotropic gap, CeCo, CeRu, Flux-flow transport properties, Superconductivity, Transport properties, YbRhSn Peak effect",

author = "H. Sato and Y. Aoki and Y. Kobayashi and Sato, {H. R.} and T. Nishigaki and H. Sugawara and M. Hedo and Y. Inada and Y. Onuki",

year = "1997",

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doi = "10.1016/S0921-4526(96)00734-X",

language = "English",

volume = "230-232",

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journal = "Physica B: Condensed Matter",

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T1 - Mixed state transport properties and peak effect in f-electron superconductors

AU - Sato, H.

AU - Aoki, Y.

AU - Kobayashi, Y.

AU - Sato, H. R.

AU - Nishigaki, T.

AU - Sugawara, H.

AU - Hedo, M.

AU - Inada, Y.

AU - Onuki, Y.

PY - 1997/2

Y1 - 1997/2

N2 - 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 inhomogeneous 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 heat of CeCo2.

AB - 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 inhomogeneous 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 heat of CeCo2.

KW - Anisotropic gap

KW - CeCo

KW - CeRu

KW - Flux-flow transport properties

KW - Superconductivity

KW - Transport properties

KW - YbRhSn Peak effect

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