Abstract

1. The rotational-hysteresis loss in Ni-Ge crystals in the (100) plane increases with increasing field, reaching a maximum at 800–1500 Oe; then it decreases, vanishing between 2000 and 3000 Oe. 2. The maximum loss is greater at lower germanium concentrations. 3. The maximum rotational-hysteresis loss shifts toward lower fields with increasing germanium concentration. 4. Even slight amounts of germanium significantly affect the anisotropy constant. 5. The changes in the anisotropy constant and in the saturation magnetization as functions of the germanium concentrations are proportional.

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