Rare earth metal stannides

Details Rare earth metal stannides Rare earth metal stannides

1980-06-02

1982-03-09

Peters, G. O.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

156DIG63, 252514, 252521, 423263, H01B 102, C22C 1300

Patent

active

043187412

ABSTRACT:
A new family of rare earth-rhodium-tin intermetallic compounds, with the representative formula (RE)Rh.sub.x Sn.sub.y, 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 ErRh.sub.1.1 Sn.sub.3.6 exhibits reentrant superconductivity with T.sub.c =0.97 K and T.sub.m =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.

REFERENCES:
Dwight, A. E. et al., "Journal of the Less-Common Metals", vol. 30; Jan. 1973; pp. 1-8.

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