Conventional superconductivity properties of the ternary boron-nitride Nb sub(2)BN

The superconducting bulk properties of ternary Nb sub(2)BN are confmned and described by means of magnetization, electronic transport and specific heat measurements. BCS conventional superconductivity is found with T sub(c) = 4.4 K. Critical fields of H sub(cl) (0) = 93 Oe and H sub(c2) = 2082 Oe ar...

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Bibliographic Details
Published inSuperconductor science & technology Vol. 27; no. 3; pp. 1 - 5
Main Authors Cigarroa, O V, Renosto, S T, Machado, A J S
Format Journal Article
LanguageEnglish
Published 01.03.2014
Subjects
Bulk transporters
Electrical resistivity
Electronics
Extrapolation
Magnetization
Specific heat
Superconductivity
Transport
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Summary:The superconducting bulk properties of ternary Nb sub(2)BN are confmned and described by means of magnetization, electronic transport and specific heat measurements. BCS conventional superconductivity is found with T sub(c) = 4.4 K. Critical fields of H sub(cl) (0) = 93 Oe and H sub(c2) = 2082 Oe are extrapolated by magnetic and resistivity measurements. The specific heat data reveal gamma = 6.3 mJ mol super(-1) K super(-2) and beta = 0.293 mJ mol super(-1) K super(-4), in good agreement with the BCS theory.
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ISSN:0953-2048
1361-6668
DOI:10.1088/0953-2048/27/3/035005