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ChemInform Abstract: Structural and Magnetic Properties of Ln2(Fe,Si)17 Compounds with Ln: Tb and Er.

✍ Scribed by J. L. Wang; F. R. de Boer; X. F. Han; N. Tang; C. Zhang; D. Zhang; E. Brueck; F. M. Yang

Publisher
John Wiley and Sons
Year
2010
Weight
34 KB
Volume
30
Category
Article
ISSN
0931-7597

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✦ Synopsis

Structural and Magnetic Properties of Ln 2 (Fe,Si) 17 Compounds with Ln: Tb and Er.

-Tb 2 Fe 17-x Six and Er 2 Fe 17-x Six (x = 0-3.5) intermetallic compounds are prepared by an arc melting method in order to study the effects of Si-substitution in Tb 2 Fe 17 and Er 2 Fe 17 on the magnetic and structural properties. The substitution leads to a clear reduction of the unit cell volume. A phase transition from the Th 2 Ni 17 to the Th 2 Zn 17 -type structure with increasing Si-content is observed for the Tb-samples, while all Er-samples crystallize in the Th 2 Ni 17 structure type. Si-substitution for Fe results in a decrease of the spontaneous moment and an increase of the Curie temperature. -(WANG,

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