dc Anisotropic Magnetization at 20.4 K and the Ideal Crystal-Field-Only Behavior of TmSb

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Abstract
The anisotropic magnetization of TmSb at 20.4 K has been measured in applied dc fields up to 144 kOe. The experimental results are in excellent agreement with isothermal crystal-field-only theory for parameters deduced from earlier pulsed-field experiments at 1.5 K. This resolves an ambiguity posed by earlier pulsed-field magnetization experiments at 20.4 K, the results of which fell between the adiabatic and isothermal crystal-field-only theoretical curves. High-resolution dc measurements of the magnetization at 1.5 K have also been made up to 52 kOe and are in good agreement with the earlier pulsed-field data.