Issue 3, 1996
From the journal:

Journal of Materials Chemistry

Crystal structure and physical properties of UAuSi and UAu2

Rainer Pöttgen,   Vinh Hung Tran,   Rolf-Dieter Hoffmann,   Dariusz Kaczorowski  and  Robert Troc  

Abstract

UAuSi and UAu2 have been prepared by arc-melting of the elemental components and subsequent annealing. The crystal structure of UAuSi, which has been previously reported to crystallize in the TiNiSi-type structure, was determined from X-ray powder diffraction data: LiBaSi-type structure, P[6 with combining macron]m2, a= 419.5(2) pm, c= 397.2(2) pm, V= 0.0605 nm3, Z= 1 and RB(I)= 0.018. It is derived from the AlB2-type structure by an ordered arrangement of the gold and silicon atoms on the boron sites. The binary compound UAu2(AlB2-type) is confirmed. Magnetic susceptibility measurements indicate spin-glass behaviour and paramagnetism for UAuSi and UAu2, respectively. Both compounds are metallic conductors.

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Article information

DOI
https://doi.org/10.1039/JM9960600429
Article type
Paper

J. Mater. Chem., 1996,6, 429-434

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Crystal structure and physical properties of UAuSi and UAu2

R. Pöttgen, V. H. Tran, R. Hoffmann, D. Kaczorowski and R. Troc, J. Mater. Chem., 1996, 6, 429 DOI: 10.1039/JM9960600429

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