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Magnetic properties of the ErFe10-xGaxSi2 compounds

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8 Author(s)
Yin, X.Y. ; Inst. of Phys., Acad. Sinica, Beijing, China ; Tang, N. ; Wang, J.L. ; Fuquan, B.
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The ErFe10-xGaxSi2 compounds with the ThMn12-type structure were synthesized for x=0.0, 0.5, 1.0, 1.5 and 2.0. With increasing Ga content, the lattice constant c and the unit-cell volume V increase monotonically. The lattice constant, a, and the Curie temperature increase first, go through a maximum and then decrease with increasing x. Spin re-orientation from the easy-cone to the uniaxial type is detected for all the compounds as the temperature increases from 5 to 300 K. A tentative spin phase diagram is constructed for ErFe10-xGaxSi2. The saturation magnetization decreases monotonically which can be understood in terms of a simple dilution model

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Magnetics, IEEE Transactions on  (Volume:37 ,  Issue: 4 )