Specific heat of superconducting electrons was measured in a melt-processed (Nd0.33Eu0.38Gd0.28)Ba2Cu 3Oy superconductor (NEG-123) with 5 mol% of Gd-211, 1 wt% Ag, and 0.035 mol% of Zn. The thermodynamic characteristics of this compound are still not well known. From calorimetric measurements the reversible magnetization, critical fields, penetration depth, and coherence length were deduced. In the vicinity of Tc, the reversible magnetic moment was additionally measured by means of SQUID.
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