Crystal structure of the Fe6−xGayGe5−y (x ∼0.5, y = 1.3) ternary compound

P.Ya Lyutyy,V.O Svitlyk,A.O Fedorchuk

doi:10.1016/j.solidstatesciences.2012.01.012

Crystal structure of the Fe6−xGayGe5−y (x ∼0.5, y = 1.3) ternary compound

P.Ya Lyutyy, V.O Svitlyk + Show 1 more

https://doi.org/10.1016/j.solidstatesciences.2012.01.012

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Journal: Solid State Sciences	Publication Date: Jan 28, 2012
Citations: 4

Affiliation: McMaster University, Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv

#Hexagonal Space Group #Single-crystal X-ray Diffraction Analysis + Show 8 more

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Abstract

The single crystal of Fe6−xGayGe5−y (x ∼0.5, y = 1.3(1)) has been obtained from arc-melting of the elements and its crystal structure has been investigated by single-crystal X-ray diffraction analysis. The compound crystallizes in the hexagonal space group P63/mmc (No. 194) with a = 8.0346(2) Å, c = 5.007(1) Å, Z = 1 and adopts the Ti6Sn5 structure type with a refined composition of Fe5.52(12)(Ga/Ge)5. By a mean of scanning electron microscopy the composition of the single crystal has been determined as Fe4.9(2)Ga1.3(1)Ge3.7(1). The crystal structures of the Fe6−xGayGe5−y (x ∼0.5, y = 1.3(1)) and all compounds in the Fe–Ge binary system have been crystallographically analyzed and structural relationship has been established.

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