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Published December 1, 1991 | Published
Journal Article Open

Thermodynamic features in the H-T plane of superconducting UBe_(13)

Abstract

We present specific-heat C measurements of a high-quality polycrystal of UBe_(13) for 0.2≤T≤1.2 K and 0≤H≤80 kG. Field-sweep data, C(H) at fixed T, reveal two broad peaks in the superconducting state for T<0.6 K. The low-field feature occurs at H≊20 kG, independent of temperature. Conventional temperature scans, C(T) at fixed H, presumably smear this feature beyond recognition.

Additional Information

© 1991 The American Physical Society. Received 23 August 1991. We are indebted to G. Aeppli for pointing out Ref. 10. The work at The University of Chicago was supported by NSF Grant No. DMR 8816817. The work at The University of Florida was supported by DOE Grant No. DE-FG05-86ER45268.

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Published - PhysRevB.44.12074.pdf

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