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U doping effects in (Ce1-xUx)NiSn

Park, JG; Ocko, M; McEwen, KA; (1998) U doping effects in (Ce1-xUx)NiSn. PHYS REV B , 57 (21) 13706 - 13711.

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Abstract

We have studied (Ce1-xUx)NiSn for 0 less than or equal to x less than or equal to 0.2 to investigate the effects of U doping on the low-temperature anomalies seen in CeNiSn. From resistivity and thermopower results, we conclude that with as small as 1.6% U doping the anomalies disappear. With further increasing U concentrations, the system becomes unstable towards a weakly antiferromagnetic transition. We discuss the effects due to small U doping at low temperatures in the light of chemical pressure effects and Fermi-level tuning.

Type: Article
Title: U doping effects in (Ce1-xUx)NiSn
Keywords: ANTIFERROMAGNETIC CORRELATIONS, LOW-TEMPERATURE, ENERGY-GAP, CENISN, TRANSITION, SEMICONDUCTOR, THERMOPOWER, ALLOYS, UNISN, HEAT
UCL classification: UCL > School of BEAMS
UCL > School of BEAMS > Faculty of Maths and Physical Sciences
URI: http://discovery.ucl.ac.uk/id/eprint/1309941
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