Magnetic susceptibility and low-temperature heat capacity of CePd3B0.3

Dhar, S. K.; Gschneider, K. A.; Bredl, C. D.; Steglich, F.

doi:10.1103/PhysRevB.39.2439

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Magnetic susceptibility and low-temperature heat capacity of CePd₃B_0.3

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引用

Dhar, S. K., Gschneider, K. A., Bredl, C. D., & Steglich, F. (1989). Magnetic susceptibility and low-temperature heat capacity of CePd₃B_0.3. Physical Review B, 39(4), 2439-2441. doi:10.1103/PhysRevB.39.2439.

引用: https://hdl.handle.net/11858/00-001M-0000-0019-D4E6-1

要旨

The heat capacity of CePd3B0.3 has been measured between 80 mK and 2.5 K in zero and applied fields up to 4 T. The specific heat exhibits a Schottky-like anomaly, nearly symmetric on a lnT scale, which is shifted to higher temperatures in applied fields. High-temperature susceptibility measurements confirm a near trivalent state of Ce in CePd3B0.3 while the ac susceptibility in the range 0.15 to 0.7 K displays a cusp at 0.45 K which is smeared out in applied fields indicating a spin-glass transition. Kondo interactions are also operative as evidenced by the large value of C/T as T→0.