Electrical Resistance of Single-Crystal Single-Domain Chromium from 77 to 325 °K

Detailed measurements of the electrical resistance of a pure chromium single crystal, R₃₀₀R4.2=350, have been made over the temperature range 77-325 ^∘{} K for both the single-domain →J∥→Q and multidomain cases. The resistance for →J∥→Q was about 4% greater than for the multidomain case from 100 to 250 ^∘{}K. No discontinuities in resistance or changes in the derivative of the resistance with respect to temperature were observed near the spin-flip temperature, nor were any discontinuities or precursor effects observed at the N\'eel temperature. The excess resistance due to the antiferromagnetic condensation below the N\'eel temperature obeys a power law in the reduced temperature difference, (TN-T)TN for more than two decades with an exponent of 0.57 ±{} 0.03 for →J∥→Q and 0.58 ±{} 0.02 for the multidomain case.