Title: Superconductivity in the Rh-based Heusler Family MRh2Sn
Authors: KLIMCZUK TOMASZGOFRYK K.WANG C. H.ALLRED J.m.RONNING F.SADOWSKI W.GRIVEAU Jean-ChristopheCOLINEAU EricSAFARIK D.THOMPSON J. d.CAVA R. J.
Citation: PHYSICAL REVIEW B vol. 82 p. 134520 (1-6)
Publisher: AMER PHYSICAL SOC
Publication Year: 2010
JRC N°: JRC59899
ISSN: 1098-0121
URI: http://link.aps.org/doi/10.1103/PhysRevB.82.134520
http://publications.jrc.ec.europa.eu/repository/handle/JRC59899
DOI: 10.1103/PhysRevB.82.134520
Type: Articles in Journals
Abstract: Superconductivity and structural characterisation is reported for the Heusler structure compounds ScRh2Sn, LuRh2Sn and YRh2Sn. The superconducting Tcs 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 ScRh2Sn to YRh2Sn. The electron-phonon coupling constant Lambda-ep and the normalized specific heat jump DeltaC/gammaTc suggest that the MRh2Sn system evolves from weak coupling to moderate coupling superconductivity.
JRC Institute:Institute for Transuranium Elements

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