Superconductivity in the Rh-based Heusler family MRh
                        2
                        Sn

T. Klimczuk; K. Gofryk; C. H. Wang; J. M. Allred; F. Ronning; W. Sadowski; J. C. Griveau; E. Colineau; D. Safarik; J. D. Thompson; Robert Joseph Cava

doi:10.1103/PhysRevB.82.134520

Superconductivity in the Rh-based Heusler family MRh ₂ Sn

T. Klimczuk, K. Gofryk, C. H. Wang, J. M. Allred, F. Ronning, W. Sadowski, J. C. Griveau, E. Colineau, D. Safarik, J. D. Thompson, Robert Joseph Cava

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Abstract

Superconductivity and structural characterization is reported for the Heusler structure compounds ScRh ₂ Sn, LuRh ₂ Sn, and YRh ₂ Sn. The superconducting Tc 's are 2.0 K, 2.9 K, and 4.1 K, respectively. The electronic contributions to the specific heat and the Debye temperatures are reported, and suggest that the observed trend in Tc is governed primarily by an increase in electron-phonon coupling on going from ScRh ₂ Sn to YRh ₂ Sn. The electron-phonon coupling constant λep and the normalized specific-heat jump ΔC/γ Tc suggest that the MRh ₂ Sn system evolves from weak coupling to moderate coupling superconductivity.

Original language	English (US)
Article number	134520
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	82
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevB.82.134520
State	Published - Oct 14 2010

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.82.134520

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Klimczuk, T., Gofryk, K., Wang, C. H., Allred, J. M., Ronning, F., Sadowski, W., Griveau, J. C., Colineau, E., Safarik, D., Thompson, J. D., & Cava, R. J. (2010). Superconductivity in the Rh-based Heusler family MRh ₂ Sn Physical Review B - Condensed Matter and Materials Physics, 82(13), [134520]. https://doi.org/10.1103/PhysRevB.82.134520

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title = " Superconductivity in the Rh-based Heusler family MRh 2 Sn ",

abstract = " Superconductivity and structural characterization is reported for the Heusler structure compounds ScRh 2 Sn, LuRh 2 Sn, and YRh 2 Sn. The superconducting Tc 's are 2.0 K, 2.9 K, and 4.1 K, respectively. The electronic contributions to the specific heat and the Debye temperatures are reported, and suggest that the observed trend in Tc is governed primarily by an increase in electron-phonon coupling on going from ScRh 2 Sn to YRh 2 Sn. The electron-phonon coupling constant λep and the normalized specific-heat jump ΔC/γ Tc suggest that the MRh 2 Sn system evolves from weak coupling to moderate coupling superconductivity.",

author = "T. Klimczuk and K. Gofryk and Wang, {C. H.} and Allred, {J. M.} and F. Ronning and W. Sadowski and Griveau, {J. C.} and E. Colineau and D. Safarik and Thompson, {J. D.} and Cava, {Robert Joseph}",

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doi = "10.1103/PhysRevB.82.134520",

language = "English (US)",

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Klimczuk, T, Gofryk, K, Wang, CH, Allred, JM, Ronning, F, Sadowski, W, Griveau, JC, Colineau, E, Safarik, D, Thompson, JD & Cava, RJ 2010, ' Superconductivity in the Rh-based Heusler family MRh ₂ Sn ', Physical Review B - Condensed Matter and Materials Physics, vol. 82, no. 13, 134520. https://doi.org/10.1103/PhysRevB.82.134520

TY - JOUR

T1 - Superconductivity in the Rh-based Heusler family MRh 2 Sn

AU - Klimczuk, T.

AU - Gofryk, K.

AU - Wang, C. H.

AU - Allred, J. M.

AU - Ronning, F.

AU - Sadowski, W.

AU - Griveau, J. C.

AU - Colineau, E.

AU - Safarik, D.

AU - Thompson, J. D.

AU - Cava, Robert Joseph

PY - 2010/10/14

Y1 - 2010/10/14

N2 - Superconductivity and structural characterization is reported for the Heusler structure compounds ScRh 2 Sn, LuRh 2 Sn, and YRh 2 Sn. The superconducting Tc 's are 2.0 K, 2.9 K, and 4.1 K, respectively. The electronic contributions to the specific heat and the Debye temperatures are reported, and suggest that the observed trend in Tc is governed primarily by an increase in electron-phonon coupling on going from ScRh 2 Sn to YRh 2 Sn. The electron-phonon coupling constant λep and the normalized specific-heat jump ΔC/γ Tc suggest that the MRh 2 Sn system evolves from weak coupling to moderate coupling superconductivity.

AB - Superconductivity and structural characterization is reported for the Heusler structure compounds ScRh 2 Sn, LuRh 2 Sn, and YRh 2 Sn. The superconducting Tc 's are 2.0 K, 2.9 K, and 4.1 K, respectively. The electronic contributions to the specific heat and the Debye temperatures are reported, and suggest that the observed trend in Tc is governed primarily by an increase in electron-phonon coupling on going from ScRh 2 Sn to YRh 2 Sn. The electron-phonon coupling constant λep and the normalized specific-heat jump ΔC/γ Tc suggest that the MRh 2 Sn system evolves from weak coupling to moderate coupling superconductivity.

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DO - 10.1103/PhysRevB.82.134520

M3 - Article

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VL - 82

JO - Physical Review B-Condensed Matter

JF - Physical Review B-Condensed Matter

IS - 13

M1 - 134520

ER -

Superconductivity in the Rh-based Heusler family MRh ₂ Sn

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