Abstract
Fe81-xNixGa19(with x ranging from 0-25 at.% Ni) ribbons were made by melt spinning method. We have studied the structural (phases, texturing, and lattice parameter), magnetic (saturation magnetization and saturation magnetostriction) properties of these ribbons. The main results are as follows: (i) For x≤10, all the ribbons are A2 single phase; for x=15, the ribbon is of A2+L12+DO3+E21 phase; for x=20, the ribbon is of A2+L12+DO3+B2 phase; for x=25, only A2 and L12 phases exist. (ii) For x=5 and 15, an obvious (211) texture was detected, whereas other ribbons are (110) textured, no (100) texture was tested. (iii) (110) texture in our ribbons brought low saturation magnetic field (Hs) and high saturation magnetostrction (λs). (iv) E21 phase played a positive role in the magnetostricion of FeNiGa ribbons.
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