Coexistence of ferromagnetism and superconductivity in ErRh4B4 single crystals probed by dynamic magnetic susceptibility
R. Prozorov, M. D. Vannette, S. A. Law, S. L. Bud’ko, P. C. Canfield
DOI 10.1103/PhysRevB.77.100503 · Physical Review B
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Abstract
High-resolution measurements of the dynamic magnetic susceptibility are reported for the ferromagnetic, reentrant superconductor ErRh4B4. A detailed investigation of the coexisting regime reveals unusual temperature-asymmetry on warming and cooling and magnetically anisotropic behavior. The superconducting phase appears via a series of discontinuous steps upon warming from the ferromagnetic normal phase, whereas the ferromagnetic phase develops via a more gradual transition upon cooling from the superconducting phase. A model based on local field inhomogeneity is proposed to explain these observations.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| ErRh4B4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 8.7 | Pressure not reported | unknown |
| HoxMo6S8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.8 | Pressure not reported | unknown |
| ErNi2B2C Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 11 | Pressure not reported | unknown |
| UGe2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.95 | 1.3 GPa | unknown |
| URhGe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 0.27 | Pressure not reported | unknown |
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