Phys. Rev. B 64, 100503(R) (2001) [4 pages]

Coexistence of magnetism and superconductivity in CeRh_1-xIr_xIn₅

Abstract

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P. G. Pagliuso¹, C. Petrovic^1,2, R. Movshovich¹, D. Hall², M. F. Hundley¹, J. L. Sarrao¹, J. D. Thompson¹, and Z. Fisk^1,2
¹Los Alamos National Laboratory, Los Alamos, New Mexico 87545
²National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32310

Received 1 June 2001; published 7 August 2001

We report a thermodynamic and transport study of the phase diagram of CeRh_1-xIr_xIn₅. Bulk superconductivity is observed over a broad range of doping, 0.3<x<~1, including a substantial range (0.3<x<0.6) over which it coexists with magnetic order (which is observed for 0<~x<0.6). The anomalous transition to zero resistance that is observed in CeIrIn₅ is robust against Rh substitution: the bulk T_c in CeRh_0.5Ir_0.5In₅ is more than double that of CeIrIn₅, whereas the zero-resistance transition temperature is relatively unchanged for 0.5<x<1.

URL:

http://link.aps.org/doi/10.1103/PhysRevB.64.100503

DOI:

10.1103/PhysRevB.64.100503

PACS:

74.70.Tx, 71.27.+a, 75.40.Cx

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Phys. Rev. B 64, 100503(R) (2001) [4 pages]

Coexistence of magnetism and superconductivity in CeRh1-xIrxIn5

Coexistence of magnetism and superconductivity in CeRh_1-xIr_xIn₅