Conventional Superconductivity properties of the ternary boron-nitride Nb2BN
Abstract
Superconducting bulk properties of ternary Nb2 BN are confirmed and are described by means of magnetization, electronic transport and specific-heat measurements. BCS conventional super- conductivity is found with Tc = 4.4 K. Critical fields Hc1 (0)= 93 Oe and Hc2 (0)= 2082 Oe are extrapolated by magnetic and resistivity measurements. The specific heat data reveals γ = 6.3 mJ/mol K2 and β = 0.293 mJ/mol K4 in good agreement with the BCS Theory.
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