A new family of ternary intermetallic superconducting/magnetic stannides |
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| Authors: | JP Remeika GP Espinosa AS Cooper H Barz JM Rowell DB McWhan JM Vandenberg DE Moncton Z Fisk LD Woolf HC Hamaker MB Maple G Shirane W Thomlinson |
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| Institution: | Bell Laboratories Murray Hill, NJ 07974, USA;Institute for Pure and Applied Physical Sciences University of California, San Diego La Jolla, CA 92093, USA;Brookhaven National Laboratory Upton, NY 11973, USA |
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| Abstract: | A new family of rare earth-rhodium-tin intermetallic compounds, with the representative formula (RE)RhxSny, has been synthesized in single crystal form. The compounds containing the heavier rare earths are superconducting and those with the lighter rare earths are generally magnetic. The compound ErRh1.1Sn3.6 exhibits reentrant superconductivity with Tc = 0.97 K and Tm = 0.57 K as determined from ac magnetic susceptibility measurements. The synthesis and X-ray characterization of the series are described and the results of electrical resistivity, upper critical magnetic field, magnetic susceptibility, specific heat and neutron scattering measurements on the Er compound are given. |
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