The crystal structure of the MAu2Si2 rare earth compounds

I. Mayer; J. Cohen; I. Felner

doi:10.1016/0022-5088(73)90103-3

The crystal structure of the MAu₂Si₂ rare earth compounds

I. Mayer^*, J. Cohen, I. Felner

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

MAu₂Si₂ type compounds of the LaEr rare-earth metals crystallize in the ThCr₂Si₂-type body-centered tetragonal structure. Lattice constants and atomic parameters were determined, and the interatomic distances calculated and compared with corresponding data of MAg₂Si₂ compounds. The radii R_AU = 1.36 A ̊ and R_ag = 1.18 A ̊ found are very close to the ionic radii of these atoms. The radii of silicon has the value of the atomic radius in the silver compounds and the covalent radius in the gold compounds.

Original language	English
Pages (from-to)	181-184
Number of pages	4
Journal	Journal of the Less-Common Metals
Volume	30
Issue number	2
DOIs	https://doi.org/10.1016/0022-5088(73)90103-3
State	Published - Feb 1973

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abstract = "MAu2Si2 type compounds of the LaEr rare-earth metals crystallize in the ThCr2Si2-type body-centered tetragonal structure. Lattice constants and atomic parameters were determined, and the interatomic distances calculated and compared with corresponding data of MAg2Si2 compounds. The radii RAU = 1.36 A ̊ and Rag = 1.18 A ̊ found are very close to the ionic radii of these atoms. The radii of silicon has the value of the atomic radius in the silver compounds and the covalent radius in the gold compounds.",

author = "I. Mayer and J. Cohen and I. Felner",

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N2 - MAu2Si2 type compounds of the LaEr rare-earth metals crystallize in the ThCr2Si2-type body-centered tetragonal structure. Lattice constants and atomic parameters were determined, and the interatomic distances calculated and compared with corresponding data of MAg2Si2 compounds. The radii RAU = 1.36 A ̊ and Rag = 1.18 A ̊ found are very close to the ionic radii of these atoms. The radii of silicon has the value of the atomic radius in the silver compounds and the covalent radius in the gold compounds.

AB - MAu2Si2 type compounds of the LaEr rare-earth metals crystallize in the ThCr2Si2-type body-centered tetragonal structure. Lattice constants and atomic parameters were determined, and the interatomic distances calculated and compared with corresponding data of MAg2Si2 compounds. The radii RAU = 1.36 A ̊ and Rag = 1.18 A ̊ found are very close to the ionic radii of these atoms. The radii of silicon has the value of the atomic radius in the silver compounds and the covalent radius in the gold compounds.

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The crystal structure of the MAu₂Si₂ rare earth compounds

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