Impurities in a superconductor with a highly anisotropic gap: Universal 
correlation between the residual resistivity and Tc in doped UPd2Al3

Geibel, C.; Buschinger, B.; Schank, C.; Lühmann, T.; Gegenwart, P.; Weiden, M.; Steglich, F.

doi:10.1016/0921-4534(94)92438-4

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Impurities in a superconductor with a highly anisotropic gap: Universal correlation between the residual resistivity and T_c in doped UPd₂Al₃

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Citation

Geibel, C., Buschinger, B., Schank, C., Lühmann, T., Gegenwart, P., Weiden, M., et al. (1994). Impurities in a superconductor with a highly anisotropic gap: Universal correlation between the residual resistivity and T_c in doped UPd₂Al₃. Physica C-Superconductivity and its Applications, 235, 2435-2436. doi:10.1016/0921-4534(94)92438-4.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-E505-5

Abstract

We have studied the effect of doping on the superconducting transition temperature T-c and on the residual resistivity rho(0) of the heavy-fermion superconductor UPd2Al3. We have found a general correlation between the increase of rho(0) and the decrease of T-c which seems to be independent of the type of dopant. We interprete this correlation as a further evidence for a large anisotropy of the superconducting order parameter.