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Author (up) Pikul, A.P.; Caroca-Canales, N.; Deppe, M.; Gegenwart, P.; Sereni, J.G.; Geibel, C.; Steglich, F. doi  openurl
  Title Non-Fermi-liquid behaviour close to the disappearance of ferromagnetism in CePd1-xRhx Type Journal Article
  Year 2006 Publication Journal of Physics: Condensed Matter Abbreviated Journal J. Phys.: Condens. Matter.  
  Volume 18 Issue 42 Pages L535-L542  
  Keywords  
  Abstract The orthorhombic CePd1- xRhx system exhibits a continuous evolution from ferromagnetic order in CePd ( T-C = 6.6 K) to an intermediate-valence ground state in CeRh. Here we report low-temperature ( T >= 0.08 K) specific-heat measurements for concentrations 0.80 <= x <= 0.95 close to the disappearance of magnetic order (similar to 0.87). In contrast to x = 0.8, still demonstrating a smeared phase transition signature at 0.27 K, non-Fermi-liquid behaviour Delta C(T) / T alpha log T is observed in the electronic specific-heat coefficient at x = 0.85. For higher Rh concentrations a weak power-law dependence Delta C(T) / T alpha T-alpha with alpha approximate to 0.4 is found. Upon applying magnetic fields Fermi-liquid-like behaviour Delta C(T) / T similar to const is recovered in all the different samples. The magnetic entropy as well as the concentration of unscreened magnetic moments at 2 K indicate a broad distribution of local T-K values ranging from well below 2 K to far above 50 K.  
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  ISSN 0953-8984 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000241278000001 Approved no  
  Call Number BT @ hernan @ Serial 54  
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