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Kondo effect and non-Fermi liquid behavior in metallic glasses containing Yb, Ce, and Sm
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10.1063/1.4802660
/content/aip/journal/jap/113/16/10.1063/1.4802660
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/16/10.1063/1.4802660

Figures

Image of FIG. 1.
FIG. 1.

(a) Temperature dependent scaled resistivity ρ/ρ(300 K) for Yb12.5Ca50Zn20Mg17 MG. The solid curve is the fitting result with the extended Ziman liquid-metal theory. (b) Temperature dependent scaled magnetic resistivity ρmag /ρ(300 K) in a semi-logarithmic scale for Yb62.5Zn15Mg17.5Cu5 MG. The solid lines are the fitting results.

Image of FIG. 2.
FIG. 2.

(a) Temperature dependent inverse magnetic susceptibility χ −1 for Yb12.5Ca50Zn20Mg17 MG. The solid lines are the fitting results with the Curie-Weiss law at different temperatures. (b) Temperature dependent magnetic susceptibility χ for Yb12.5Ca50Zn20Mg17 MG. The solid curve is the fitting result within the local FL theory.

Image of FIG. 3.
FIG. 3.

(a) Temperature scaled heat capacity Cp /T vs. T 2 for Yb12.5Ca50Zn20Mg17 MG. The solid line is fitting result with Cp /T = γ + βT 2. (b) Temperature dependent abnormal ΔCp for Yb12.5Ca50Zn20Mg17 MG at 0 T and 5 T. The solid straight line is the fitting result. The solid curve presents the T dependant entropy change ΔS at 0 T.

Image of FIG. 4.
FIG. 4.

(a) Temperature dependent magnetic susceptibility Δχ for Yb12.5Ca50Zn20Mg17 MG in a logarithmic scale. The solid line is the fitting result with the NFL theory. (b) Temperature dependent ZFC and FC magnetization M for Yb62.5Zn15Mg17Cu5 MG at 0.1 T. (c) Temperature dependent ZFC and FC magnetization M for Sm10Y45Al25Co20 MG at 1 T.

Image of FIG. 5.
FIG. 5.

(a) The distribution and interactions of the RE magnetic spins under a small magnetic field. (b) The distribution and interactions of the RE magnetic spins under a high magnetic field. The direction of the field is up.

Tables

Generic image for table
Table I.

The fitting results of the scaled resistivity with the extended Ziman liquid-metal theory for Yb12.5Ca50Zn20Mg17, Yb62.5Zn20Mg17.5Cu5, (CuZr)92.5Al7RE0.5 (X = Ce, Sm), and Sm10Y45Al25Co20 MGs.

Generic image for table
Table II.

The fitting results of the scaled magnetic resistivity ρmag /ρ(300 K) at low temperatures with the formula ρmag /ρ(300 K) = ρ 02 -A 1 lnT for Yb12.5Ca50Zn20Mg17, Yb62.5Zn20Mg17.5Cu5, (CuZr)92.5Al7RE0.5 (X = Ce, Sm), and Sm10Y45Al25Co20 MGs.

Generic image for table
Table III.

The fitting results of the magnetic susceptibility with the Curie-Weiss law in different temperature ranges for Yb12.5Ca50Zn20Mg17, Yb62.5Zn20Mg17.5Cu5, (CuZr)92.5Al7RE0.5 (X = Ce, Sm), and Sm10Y45Al25Co20 MGs.

Generic image for table
Table IV.

The fitting results of the magnetic susceptibility χ with the formula χ = χ 02(1 − C 2 T 2) at low temperatures under a magnetic field of 5 T for Yb12.5Ca50Zn20Mg17, Yb62.5Zn20Mg17.5Cu5, and (CuZr)92.5Al7Ce0.5 MGs.

Generic image for table
Table V.

The experimental saturated magnetic moments μsat exp for Yb12.5Ca50Zn20Mg17, Yb62.5Zn20Mg17.5Cu5, Sm10Y45Al25Co20, and (CuZr)92.5Al7X0.5 (X = Ce, Sm, and Gd) MGs at low temperatures and high fields.

Generic image for table
Table VI.

The fitting results of the magnetic susceptibility with the formula χtotal = χ 03 + C 3 T −1 + α at low temperatures and different fields for Yb12.5Ca50Zn20Mg17 and (CuZr)92.5Al7RE0.5 (X = Ce, Sm) and MGs.

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/content/aip/journal/jap/113/16/10.1063/1.4802660
2013-04-25
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Kondo effect and non-Fermi liquid behavior in metallic glasses containing Yb, Ce, and Sm
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/16/10.1063/1.4802660
10.1063/1.4802660
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