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Optimization on magnetic transitions and magnetostriction in Tb x Dy y Nd z (Fe0.9Co0.1)1.93 compounds
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Image of FIG. 1.
FIG. 1.

Ternary phase diagram for the TbDyNd system. The intensity of the color indicates different component of Tb, Dy, and Nd. The location between the two bias diagonals of the rare earth composition discussed in the article is indicated along the expected minimum anisotropy line.

Image of FIG. 2.
FIG. 2.

(a) Typical XRD patterns (the inset shows the concentration dependence of lattice parameter ) and (b) profiles of the step-scanned XRD reflection of the Laves phase (TbDy) (TbNd)(FeCo) compounds.

Image of FIG. 3.
FIG. 3.

Temperature dependence of ac initial susceptibility of (TbDy) (TbNd)(FeCo) compounds (The arrow indicates the spin reorientation temperature).

Image of FIG. 4.
FIG. 4.

Phase diagram of the spin configuration accompanied with different crystal structures for (TbDy) (TbNd)(FeCo) compounds ( denotes the easy magnetization direction, PS denotes the paramagnetic state).

Image of FIG. 5.
FIG. 5.

Magnetization curves for (TbDy) (TbNd)(FeCo) compounds. The inset shows the absolute values of magnetocrystalline anisotropy constant and saturation magnetization M at room temperature.

Image of FIG. 6.
FIG. 6.

(a) The magnetic field dependence of the magnetostriction ) and (b) composition dependence of the ratio for the (TbDy) (TbNd)(FeCo) compounds.


Generic image for table
Table I.

The compounds, lattice parameter a, Curie temperature T, the absolute value of anisotropy constant ( erg/cm3), the saturation magnetization (emu/g), the magnetostriction at the field of 1 kOe (ppm), and the saturation magnetostriction (ppm) for (TbDy) (TbNd)(FeCo) system along with the performance of TbDyHoFe and TbDy(FeCo).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optimization on magnetic transitions and magnetostriction in TbxDyyNdz(Fe0.9Co0.1)1.93 compounds