Destruction of Superconductivity at the Onset of Long-Range Magnetic Order in the Compound Er ${Rh}_{4}$ $B_{4}$

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25 April 1977

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 38 (17) , 987-990
https://doi.org/10.1103/physrevlett.38.987

Abstract

The compound Er

{Rh}_{4}

B_{4}

becomes superconducting at a critical temperature

T_{c 1}

of 8.7 K followed by a return to the normal state at a second critical temperature

T_{c 2}

of 0.9 K. The return to the normal state at

T_{c 2}

is coincident with the occurrence of long-range ordering of the magnetic moments of the

{Er}^{3 +}

ions which completely occupy a set of equivalent lattice sites.

Keywords

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