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

Ellman, B. and Rosenbaum, T. F. and Kim, J. S. and Stewart, G. R. (1991) Thermodynamic features in the H-T plane of superconducting UBe_(13). Physical Review B, 44 (21). pp. 12074-12076. ISSN 1098-0121. doi:10.1103/PhysRevB.44.12074.

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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.

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Alternate Title:Thermodynamic features in the H-T plane of superconducting UBe13
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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NSFDMR 8816817
Department of Energy (DOE)DE-FG05-86ER45268
Issue or Number:21
Record Number:CaltechAUTHORS:20140707-163038031
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47017
Deposited By: George Porter
Deposited On:09 Jul 2014 17:43
Last Modified:10 Nov 2021 17:33

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