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(13)C NMR investigation of the superconductor MgCNi_3 up to 800K by Singer, P. M.; Imai, T.; He, T.; Hayward, M. A.; Cava, R. J. is a scholarly article available to read on EtoBox.

What is (13)C NMR investigation of the superconductor MgCNi_3 up to 800K about?

We report (13)C NMR characterization of the new superconductor MgCNi_3 (He et al., Nature (411), 54 (2001)). We found that both the uniform spin susceptibility and the spin fluctuations show a strong enhancement with decreasing temperature, and saturate below ~50K and ~20K respectively. The nuclear spin-lattice relaxation rate 1/(13)T_1T exhibits typical behaviour for isotropic s-wave superconductivity with a coherence peak below Tc=7.0K that grows with decreasing magnetic field.

Author

Singer, P. M.; Imai, T.; He, T.; Hayward, M. A.; Cava, R. J.

Published

2001

Language

EN