Magnetic susceptibility of nanoscale Kondo systems

Magnetic susceptibility of nanoscale Kondo systems

Nuclear magnetic resonance in Kondo lattice systems.

Nuclear magnetic resonance has emerged as a vital tool to explore the fundamental physics of Kondo lattice systems. Because nuclear spins experience two different hyperfine couplings to the itinerant conduction electrons and to the local f moments, the Knight shift can probe multiple types of spin correlations that are not accessible via other techniques. The Knight shift provides direct inform...

Local Magnetic Moments in Nanoscale Systems

The formation of local magnetic moments and its size effect in oneand three-dimension finite systems with magnetic impurity are investigated based on the Anderson hybridizing model in real space. By the exact diagonalization within the self-consistent mean field approximation, it is found that as contrast to that in infinite system, the formation of the local magnetic moment in finite system ma...

Kondo Lattice and Magnetic Properties in Strongly Correlated Electron Systems

We review here the magnetic properties of some strongly correlated electron systems and especially cerium and uranium compounds. The normal Kondo lattice model with a localized S = 1/2 spin can account for the Kondo-magnetism competition observed in cerium or ytterbium systems, while the underscreened Kondo lattice model with a localized S = 1 spin can well account for the ferromagnetism — Kond...

NMR and static magnetic susceptibility in C60 superconductors: Possible influence of Kondo impurity

The static spin susceptibility, xs SQ and xs NMR , in C60 superconductors K3C60 and Rb3C60 was studied using a dc superconducting quantum interference device magnetometer and C NMR. We found that xs SQ has a peculiar temperature ~T! dependence behaving as (12CT) with a positive constant C;(1310) deg, contrary to the almost T independent xs NMR . These observations indicate a possibility that th...