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- W2912690700 abstract "To clarify the heavy fermion properties of Th 2 Zn 17 -type Ce 2 Cu x Al 17- x (6.75 ≤ x ≤8.25), we have systematically measured the electrical resistivity including the magnetoresistance, the magnetic susceptibility and the specific heat. In the electrical resistivity measurement for x =8.0, no magnetic order was clearly observed down to 60 mK and the magnetic contribution to the specific heat, C m / T , reached extremely large values of C m / T =3.0 (at 0.7 K), 2.4 (at 0.8 K) and 1.7 J/K 2 mol-Ce (at 1.4 K) for x =8.0, 7.5 and 7.0, respectively. A T 2 dependence of the electrical resistivity was also observed below 0.4 K for x =8.0 and below 0.6 K for x =7.0 and 7.5, indicating that Ce 2 Cu x Al 17- x is a coherent heavy fermion system. However, the possibility of the coexistence of short-range magnetic order resulting from the random distribution of Cu and Al could not be entirely excluded. We discuss the large C m / T values at temperatures close to 0 K in terms of the x dependence of the Kondo temperature, T K , and also discuss the differences between the magnetic properties of heavy fermion compounds such as CeCu 6 and those of Ce 2 Cu x Al 17- x ." @default.
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- W2912690700 date "1997-05-15" @default.
- W2912690700 modified "2023-09-23" @default.
- W2912690700 title "Magnetic, Transport and Thermal Properties of Ce2CuxAl17-x" @default.
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- W2912690700 doi "https://doi.org/10.1143/jpsj.66.1465" @default.
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