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Magnetization of UBe 13 to 60 T

2000; American Physical Society; Volume: 61; Issue: 1 Linguagem: Inglês

10.1103/physrevb.61.402

1095-3795

J. A. Detwiler, G. M. Schmiedeshoff, N. Harrison, A. H. Lacerda, J. C. Cooley, J. L. Smith,

Advanced Condensed Matter Physics

We have measured the isothermal magnetization of ${\mathrm{UBe}}_{13}$ to 60 T in a pulsed magnetic field. The measurements were made over a temperature range of 0.5 to 4 K. The data are well fit by both a $J=1/2$ Brillouin function model and a simple band model. Both fits extrapolate to a saturation moment of $1.9\ifmmode\pm\else\textpm\fi{}0.2{\ensuremath{\mu}}_{B}/\mathrm{U}$ atom. Our results suggest that a metamagnetic transition in ${\mathrm{UBe}}_{13}$ is unlikely.