Magnetic ordering, hyperfine and “linear” contributions to the low-temperature specific heat of (Y1−xPrx)Ba2Cu3O7

Abstract Specific-heat measurements on (Y 1−x Pr x )Ba 2 Cu 3 O 7 ,x=0,0.1, 0.2, 0.3, 0.6, 0.8 and 1; 0.3≤T≤100K; and in magnetic fields to 7T are reported. The combination of low-temperature and in-field data allows the separation of hyperfine and magnetic ordering contributions from the low-temperature linear term, γT.