Dl. Sisson et al., Specific heat of Zn-doped YBa2Cu3O6.95: Possible evidence for Kondo screening in the superconducting state, PHYS REV B, 61(5), 2000, pp. 3604-3609
The magnetic field dependence of the specific heat of Zn-doped single cryst
als of YBa2Cu3O6.95 was measured between 2 and 10 K and up to 8 T. Doping l
evels of 0, 0.15%, 0.31%, and 1% were studied and compared. In particular w
e searched for the Schottky anomaly associated with the Zn-induced magnetic
moments.