Thermal and electronic transport in CeRu2Al10: Evidence for a metal-insulator transition |
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Authors: | A.M. Strydom |
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Affiliation: | Physics Department, University of Johannesburg, PO Box 524, Auckland Park 2006, South Africa |
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Abstract: | A first report of physical properties of the ternary intermetallic compound CeRu2Al10 is given. The electrical resistivity below room temperature shows activated behaviour with a narrow gap of before the onset of a sharp peak in ρ(T) below . The Hall coefficient as well as the thermoelectric power are overall positive, and both increase in a similarly sharp manner below T*. The lattice part of the thermal conductivity indicates phonon coupling of the heat transport at T*, possibly underlying a lattice transformation that accompanies the putative metal-to-insulator and magnetic phase transitions. |
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Keywords: | Strongly correlated electron systems Electrical resistivity Thermal conductivity |
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