Abstract
The magnetic properties of a series of CeT2Si2 (T = Cu, Ru) compounds have been studied by 63Cu and 29Si NMR techniques. As for CeCu2Si2 with Tc = 0.72 K, the antiferromagnetic spin correlation appears below around 1 Kin the magnetic field above 5 kOe, suggesting the interrelation between the superconductivity and the antiferromagnetism. At the metamagnetic transition in CeRu2Si2, the low frequency component of spin fluctuation is found to be significantly enhanced.
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