Abstract
The temperature-dependent electrical resistivity of antiferromagnetic Cr1-χVχ alloys (χ≤0.04) was measured under hydrostatic pressures up to 3 GPa. It was found that the Neeel temperature TN decreases approximately linearly and the residual resistivity ρ0 increases with increasing χ, reaching a maximum near χ=0.035. The pressure dependence of TN is strongly dependent onχ. For Cr (χ=0), TN decreases with increasing pressure, but the rate of decrease becomes sluggish above approximately 2 GPa. The value of TN for χ=0.015 decreases almost linearly up to 3 GPa. On the other hand, the value of TN for χ=0.035 reaches zero at 0.7 GPa. These results are discussed in relation to the quantum phase transition.
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