Nodeless superconducting gap in the caged-type superconductors Y5Rh6Sn18 and Lu5Rh6Sn18

Z. Zhang; Y. Xu; C. N. Kuo; X. C. Hong; M. X. Wang; P. L. Cai; J. K. Dong; C. S. Lue; S. Y. Li

doi:10.1088/0953-2048/28/10/105008

Nodeless superconducting gap in the caged-type superconductors Y₅Rh₆Sn₁₈ and Lu₅Rh₆Sn₁₈

Z. Zhang, Y. Xu, C. N. Kuo, X. C. Hong, M. X. Wang, P. L. Cai, J. K. Dong, C. S. Lue, S. Y. Li

Department of Physics

Research output: Contribution to journal › Article

6 Citations (Scopus)

Abstract

Low-temperature thermal conductivity measurements were performed on the single crystal of caged-type superconductors Y₅Rh₆Sn₁₈ and Lu₅Rh₆Sn₁₈ down to 80 mK. In zero magnetic field, no residual linear term is found for either superconductor. At low field, the of these two superconductors shows weak field dependence. These results exclude the nodal superconducting gap in Y₅Rh₆Sn₁₈ as revealed by recent specific heat measurements, and suggest that the caged-type superconductors R₅Rh₆Sn₁₈ (R = Y and Lu) may have a common nodeless superconducting gap.

Original language	English
Article number	105008
Journal	Superconductor Science and Technology
Volume	28
Issue number	10
DOIs	https://doi.org/10.1088/0953-2048/28/10/105008
Publication status	Published - 2015 Aug 28

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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Zhang, Z., Xu, Y., Kuo, C. N., Hong, X. C., Wang, M. X., Cai, P. L., Dong, J. K., Lue, C. S., & Li, S. Y. (2015). Nodeless superconducting gap in the caged-type superconductors Y₅Rh₆Sn₁₈ and Lu₅Rh₆Sn₁₈. Superconductor Science and Technology, 28(10), [105008]. https://doi.org/10.1088/0953-2048/28/10/105008

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abstract = "Low-temperature thermal conductivity measurements were performed on the single crystal of caged-type superconductors Y5Rh6Sn18 and Lu5Rh6Sn18 down to 80 mK. In zero magnetic field, no residual linear term is found for either superconductor. At low field, the of these two superconductors shows weak field dependence. These results exclude the nodal superconducting gap in Y5Rh6Sn18 as revealed by recent specific heat measurements, and suggest that the caged-type superconductors R5Rh6Sn18 (R = Y and Lu) may have a common nodeless superconducting gap.",

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AU - Zhang, Z.

AU - Xu, Y.

AU - Kuo, C. N.

AU - Hong, X. C.

AU - Wang, M. X.

AU - Cai, P. L.

AU - Dong, J. K.

AU - Lue, C. S.

AU - Li, S. Y.

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AB - Low-temperature thermal conductivity measurements were performed on the single crystal of caged-type superconductors Y5Rh6Sn18 and Lu5Rh6Sn18 down to 80 mK. In zero magnetic field, no residual linear term is found for either superconductor. At low field, the of these two superconductors shows weak field dependence. These results exclude the nodal superconducting gap in Y5Rh6Sn18 as revealed by recent specific heat measurements, and suggest that the caged-type superconductors R5Rh6Sn18 (R = Y and Lu) may have a common nodeless superconducting gap.

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