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Specific heat of Mg11B2: evidence for two energy gaps

✍ Scribed by F. Bouquet; R.A. Fisher; N.E. Phillips; D.G. Hinks; J.D. Jorgensen

Book ID
108464273
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
93 KB
Volume
388-389
Category
Article
ISSN
0921-4534

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✍ Y. Nakajima; G.J. Li; T. Tamegai πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 257 KB

We report the low temperature specific heat of ternary iron-silicide superconductor Lu 2 Fe 3 Si 5 with T c = 6 K down to $T c /20. We find that a normalized specific heat jump at T c , DC/c n T c , is smaller than BCS value of 1.43. We also find that the specific heat divided by temperature C/T sho