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Condensed Matter > Superconductivity

arXiv:2102.08433 (cond-mat)
[Submitted on 16 Feb 2021]

Title:Heat capacity of type I superconductivity in the Dirac semimetal PdTe$_2$

Authors:M. V. Salis, Y. K. Huang, A. de Visser
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Abstract:Type I superconductivity has recently been reported for the Dirac semimetal PdTe$_2$ (Tc approximately 1.6K) with, remarkably, multiple critical fields and a complex phase diagram. Here, measurements of the specific heat utilizing a thermal relaxation technique are presented. Conventional weak-coupling BCS superconductivity is confirmed by examining the temperature dependence of the specific heat in zero field. By probing the latent heat accompanying the superconducting transition, thermodynamic evidence for type I superconductivity is attained. The presence of the intermediate state is observed as a significant broadening of the superconducting transition onto lower temperatures at high fields as well as irreversibility in the specific heat in zero field cooled data at 8.5 mT.
Comments: 6 pages, 4 figures and Supplemental Material
Subjects: Superconductivity (cond-mat.supr-con)
Cite as: arXiv:2102.08433 [cond-mat.supr-con]
  (or arXiv:2102.08433v1 [cond-mat.supr-con] for this version)
  https://doi.org/10.48550/arXiv.2102.08433
Journal reference: Phys. Rev. B 103, 104502 (2021)
Related DOI: https://doi.org/10.1103/PhysRevB.103.104502

Submission history

From: Marc Salis [view email]
[v1] Tue, 16 Feb 2021 20:00:04 UTC (459 KB)
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