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Susceptibility of Fe atoms in Cu clusters
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View: Figures


Image of FIG. 1.
FIG. 1.

Temperature dependence of resistivity of the film sample ρ = ρ − ρ between 2 K and 11 K. The dashed line represents the NRG fitting. The inset shows resistivity as a function of temperature measured between 2 K and 300 K.

Image of FIG. 2.
FIG. 2.

TEM image of Cu(Fe) clusters deposited on TEM grid. The inset is the cluster size distribution measured from the sample.

Image of FIG. 3.
FIG. 3.

ZFC measurement of Cu(Fe) clusters embedded in a SiO matrix. The solid line is the fit to the data. The inset is the vs. curve measured at 2 K and the dashed line is the Brillouin function fit to the data.

Image of FIG. 4.
FIG. 4.

Energy levels for two interacting  = 1 atoms with (a) ferromagnetic and (b) AFM RKKY interaction.

Image of FIG. 5.
FIG. 5.

Susceptibility of non-interacting and interacting Fe atoms in Cu. Only pairs of Fe atoms interacting by positive or negative RKKY interactions are considered, and the susceptibility of the non-interacting system has been normalized to agree with the high-temperature part of the FM curve.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Susceptibility of Fe atoms in Cu clusters