Title :
Magnetic behavior of Nd50Fe40Al10 bulk amorphous alloys
Author :
Chiriac, Horia ; Lupu, Nicoleta ; Rao, K.V. ; Vandenberghe, Robert E.
Author_Institution :
Nat. Inst. of Res. & Dev. for Tech. Phys., Iasi, Romania
fDate :
7/1/2001 12:00:00 AM
Abstract :
The temperature and thickness dependence of the hysteresis loop, magnetization, coercive field, and AC-susceptibility of melt-spun amorphous ribbons and amorphous cast rods of the composition Nd50 Fe40Al10 were measured between 5 and 300 K. The large values of the coercivity are ascribed to the existence of very small magnetic clusters dispersed in the amorphous matrix. The Mossbauer spectra can be fitted to two Fe sites with magnetic moments ranging from 1.47 to 2.00 μB
Keywords :
Mossbauer effect; aluminium alloys; amorphous magnetic materials; coercive force; ferromagnetic materials; iron alloys; magnetic hysteresis; magnetic moments; magnetic susceptibility; magnetisation; metallic glasses; neodymium alloys; 5 to 300 K; AC susceptibility; Mossbauer spectra; Nd50Fe40Al10; Nd50Fe40Al10 bulk amorphous alloy; cast rod; coercivity; ferromagnetic cluster; hysteresis loop; magnetic moment; magnetic properties; magnetization; melt spun ribbon; temperature dependence; thickness dependence; Amorphous magnetic materials; Amorphous materials; Coercive force; Iron; Magnetic field measurement; Magnetic hysteresis; Magnetization; Neodymium; Temperature dependence; Thickness measurement;
Journal_Title :
Magnetics, IEEE Transactions on
