Abstract
We have investigated the magnetic properties of amorphous Fe 83− x Zr 7B 10Nb x alloys, which possess potentially interesting properties as high frequency core materials due to its high effective permeability and low coercive force. The temperature dependence of magnetization were measured with a SQUID magnetometer and g values were deduced from a ferromagnetic resonance (FMR) experiment. The low temperature magnetization curve is found to obey Bloch's T 3/2 law. From these experimental results, spin wave stiffness constants were calculated.
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