Anomalous Thermal-Expansion Of Sm2fe15si2
Magnetics, IEEE Transactions （1992）
Abstract
Crystallographic and magnetic properties of Sm2Fe17-xSix with x=0, 0.5, 1.0, 1.5, 2.0, and 2.5 have been investigated. X-ray diffraction and thermomagnetic analyses showed that all samples studied are single phase with Th2Zn17 structure. The Curie temperature increases with increasing Si content although the lattice parameters decrease. Anomalous thermal expansion of Sm2Fe15Si2 was observed below Curie temperature by high temperature x-ray diffraction experiments.
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Key words
curie temperature,x-ray diffraction examination of materials,ferromagnetic properties of substances,iron alloys,lattice constants,magnetocaloric effects,samarium alloys,silicon alloys,thermal expansion,sm2fe17-xsix,x-ray diffraction,crystallographic properties,lattice parameters,magnetic properties,thermomagnetic analyses,lattice parameter,x ray diffraction
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