Abstract

Metallic glasses with ferromagnetism and stable supercooled liquid formed in melt-quenched Gd 55 Al 25 TM 20 (TM = Cu, Ni, and Co) alloys have been studied by means of vibrating-sample magnetometer (VSM) and differential scanning calorimeter (DSC). These glasses show a large temperature interval between glass transition temperature (T g ) and crystallization temperature (T x ) of about 60K which is comparable with typical metallic glasses. The glasses are predominantly ferromagnetic with curie temperature (T o ) from 90 K to 120 K and saturation magnetization (σ s ) between 160 emu/g and 200 emu/g.

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