Superconducting properties of filled skutterudite La0.8 Rh4 P12

M. Imai; M. Akaishi; E. H. Sadki; T. Aoyagi; T. Kimura; I. Shirotani

doi:10.1103/PhysRevB.75.184535

Superconducting properties of filled skutterudite La0.8 Rh4 P12

M. Imai, M. Akaishi, E. H. Sadki, T. Aoyagi, T. Kimura, I. Shirotani

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

15 Citations (Scopus)

Abstract

The superconducting properties of filled skutterudite La0.8 Rh4 P12 synthesized at 9.4 GPa and 1473 K using a belt-type apparatus were investigated by measuring the magnetization, electrical resistivity, and specific heat. Filled skutterudite La0.8 Rh4 P12 is a type-II superconducting material with a critical temperature for the superconducting transition, TC, of 14.9 K. The upper critical field HC2 (0) and Ginzburg-Landau coherent length ξ (0) were determined to be 167 (1) kOe and 4.41 (1) nm, respectively. The electronic heat-capacity coefficient γn and the Debye temperature ΘD were 25.1 (8) mJ mol K2 and 459 (12) K, respectively. Using TC and ΘD, the electron-phonon coupling constant λ was estimated to be approximately 0.7, suggesting that La0.8 Rh4 P12 is an intermediately coupled superconducting material.

Original language	English
Article number	184535
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	75
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.75.184535
Publication status	Published - May 31 2007
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.75.184535

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title = "Superconducting properties of filled skutterudite La0.8 Rh4 P12",

abstract = "The superconducting properties of filled skutterudite La0.8 Rh4 P12 synthesized at 9.4 GPa and 1473 K using a belt-type apparatus were investigated by measuring the magnetization, electrical resistivity, and specific heat. Filled skutterudite La0.8 Rh4 P12 is a type-II superconducting material with a critical temperature for the superconducting transition, TC, of 14.9 K. The upper critical field HC2 (0) and Ginzburg-Landau coherent length ξ (0) were determined to be 167 (1) kOe and 4.41 (1) nm, respectively. The electronic heat-capacity coefficient γn and the Debye temperature ΘD were 25.1 (8) mJ mol K2 and 459 (12) K, respectively. Using TC and ΘD, the electron-phonon coupling constant λ was estimated to be approximately 0.7, suggesting that La0.8 Rh4 P12 is an intermediately coupled superconducting material.",

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AU - Imai, M.

AU - Akaishi, M.

AU - Sadki, E. H.

AU - Aoyagi, T.

AU - Kimura, T.

AU - Shirotani, I.

PY - 2007/5/31

Y1 - 2007/5/31

N2 - The superconducting properties of filled skutterudite La0.8 Rh4 P12 synthesized at 9.4 GPa and 1473 K using a belt-type apparatus were investigated by measuring the magnetization, electrical resistivity, and specific heat. Filled skutterudite La0.8 Rh4 P12 is a type-II superconducting material with a critical temperature for the superconducting transition, TC, of 14.9 K. The upper critical field HC2 (0) and Ginzburg-Landau coherent length ξ (0) were determined to be 167 (1) kOe and 4.41 (1) nm, respectively. The electronic heat-capacity coefficient γn and the Debye temperature ΘD were 25.1 (8) mJ mol K2 and 459 (12) K, respectively. Using TC and ΘD, the electron-phonon coupling constant λ was estimated to be approximately 0.7, suggesting that La0.8 Rh4 P12 is an intermediately coupled superconducting material.

AB - The superconducting properties of filled skutterudite La0.8 Rh4 P12 synthesized at 9.4 GPa and 1473 K using a belt-type apparatus were investigated by measuring the magnetization, electrical resistivity, and specific heat. Filled skutterudite La0.8 Rh4 P12 is a type-II superconducting material with a critical temperature for the superconducting transition, TC, of 14.9 K. The upper critical field HC2 (0) and Ginzburg-Landau coherent length ξ (0) were determined to be 167 (1) kOe and 4.41 (1) nm, respectively. The electronic heat-capacity coefficient γn and the Debye temperature ΘD were 25.1 (8) mJ mol K2 and 459 (12) K, respectively. Using TC and ΘD, the electron-phonon coupling constant λ was estimated to be approximately 0.7, suggesting that La0.8 Rh4 P12 is an intermediately coupled superconducting material.

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Superconducting properties of filled skutterudite La0.8 Rh4 P12

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