E

20000 40000 Magnetic Field (Oe)

Fig. 19.46. Magnetic field dependence of the magnetic moment (left scale) and magnetic susceptibility (right scale) at high magnetic fields and at low temperature (5 K) [19.122],

To relate the measurements in Figs. 19.45 and 19.46 which pertain to different temperatures, we show for selected temperatures (see Fig. 19.47) the magnetic field dependence of the magnetic moment [19.122], which upon differentiation with respect to magnetic field yields x- From Fig. 19.46, one would expect the room temperature x to show anomalous behavior up to ~0.25 tesla. The behavior of x from 0.5 to 6 tesla (not shown in detail)

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