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|Title:||Itinerant electron magnetism of η-carbides Co6M6C and Ni6M6C (M=Mo and W)|
|Authors:||Waki, T. |
|Author's alias:||和氣, 剛|
|Keywords:||Transition metal alloys and compounds|
Solid state reaction
High magnetic fields
|Journal title:||Journal of Alloys and Compounds|
|Abstract:||Magnetic, transport, and thermal properties of metallic η-carbides Co6M6C and Ni6M6C (M = Mo and W) with the cubic Ni6Mo6C-type structure have been characterized. The Ni-based compounds Ni6Mo6C and Ni6W6C are Pauli paramagnets with temperature-independent susceptibilities. Susceptibilities of the Co-based compounds Co6Mo6C and Co6W6C are enhanced and temperature-dependent. Co6Mo6C remains paramagnetic down to the lowest temperature, while Co6W6C undergoes an antiferromagnetic-type transition at 46 K. A metamagnetic transition was observed for Co6W6C at 20–30 T at the lowest temperatures. The correlation among the enhancements in the susceptibility, the resistivity, and the electronic specific heat suggests the presence of moderate electron correlation in these compounds.|
|Rights:||© 2012 Elsevier B.V.|
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|Appears in Collections:||Journal Articles|
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