Characteristics of Several Carbon Thermometer-Heaters at Low Temperatures and in Magnetic Fields to 100 Kilogauss

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Abstract
Several carbon thermometers have been prepared with various sizes of carbon particles and new rugged construction methods. The resistance of the thermometers has been measured as a function of temperature from 1.217° to 20.355°K and as a function of magnetic field from 0 to 94 500 gauss. No simple functional relationship holds between resistance and temperature or between resistance and magnetic field. An approximately square dependence of the resistance on the magnetic field holds for some thermometers at small fields, but in no case does this dependence continue at high fields.