Abstract
The effect of pressure on the non-Fermi liquid behavior in the Ce(Ru1−xRhx)2Si2 system has been investigated for the first time. Studies were carried out by means of measuring the specific heat and the electrical resistance for x=0.4. Results showed that the resistance R(T) followed a power law with temperature T:R(T)−R(0)∼Tα, between 2 and 10K. The factor α increased almost linearly from 0.55 to 1.58 with increasing pressure from the ambient pressure to 2.0GPa. At low pressure (P=0.9GPa), the specific heat divided by temperature, C(T)/T, has a logarithmic relation with T:C/T∼−kln(T/T0); at high pressure (P=1.1GPa), the C/T value has little change with decreasing temperature. It suggested that the non-Fermi liquid behavior was suppressed by the application of pressure.
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