Abstract
In some metallic glasses a unidirectional magnetic anisotropy (UMA) can be observed when weak magnetic fields are applied. An experimental method to measure the variations of UMA versus temperature be described. This investigation is conducted on the simple metallic glass Co 75B 25. It is found that the unidirectional anisotropy “disappears” when the sample is heated above 340° C. This behaviour is related to several structural changes that take place in metallic glass in the neighbourhood of T s, which are detected by DSC measurements.
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