Superconducting properties of molybdenum ruthenium alloy Mo0.63Ru0.37 View Full Text


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Article Info

DATE

2018-03-29

AUTHORS

Wensen Wei, Min Ge, Shasha Wang, Lei Zhang, Yuyan Han, Haifeng Du, Mingliang Tian, Yuheng Zhang

ABSTRACT

Resistance, magnetization and specific heat measurements were performed on Mo0.63Ru0.37 alloy. All of them confirm that Mo0.63Ru0.37 becomes superconducting at about 7.0 K with bulk nature. Its upper critical field behavior fits to Werthamer-Helfand-Hohenberg (WHH) model quite well, with an upper critical field of μ0Hc2(0) = 8.64 T, less than its Pauli limit. Its electronic specific heat is reproduced by Bardeen-Cooper-Schriffer (BCS)-based α-model with a gap ratio Δ0 = 1.88kBTc, which is a little larger than the standard BCS value of 1.76. We concluded that Mo0.63Ru0.37 is a fully gapped isotropic s-wave superconductor, with its features are mostly consistent with the conventional theory. More... »

PAGES

56

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1140/epjb/e2018-80714-8

DOI

http://dx.doi.org/10.1140/epjb/e2018-80714-8

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