A CALCULATION OF THE EXCHANGE INTERACTION CONSTANT BETWEEN THE R-SUBLATTICE AND THE 3d-SUBLATTICE IN R2Fe17-xAlx COMPOUNDS

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A CALCULATION OF THE EXCHANGE INTERACTION CONSTANT BETWEEN THE R-SUBLATTICE AND THE 3d-SUBLATTICE IN R2Fe17-xAlx COMPOUNDS

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HAO YAN-MING

Acta Phys. Sin., 2000, 49(11): 2287-2289.

Abstract
A calculation of the exchange interaction constant between the R moment and the T moment in rare-earth (R) transition-metal (T) compounds of the type R2Fe17 has been discussed using molecular field theory combining with the results of neutron diffraction or X-ray diffraction. The calculated values for R2Fe17-xAlx (R=Tb,Dy,Ho,Er and Gd,x=7,8) have been given and they are in agreement with the experimental results .

Keywords:
R2Fe17-xAlx compounds /

exchange interaction constant
Authors and contacts
HAO YAN-MING

1.
河北工业大学磁技术与磁材料研究中心，天津 300130
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