Novel silicide BaPt5Si12: Crystal structure and physical properties
β Scribed by A. Grytsiv; P. Rogl; E. Bauer; H. Michor; E. Royanian; G. Giester
- Book ID
- 116574695
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 796 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0966-9795
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A series of binary rare-earth metal silicides RE 5 Si 3 and ternary boron-interstitial phases RE 5 Si 3 B x (RE ΒΌ Gd, Dy, Ho, Lu, and Y) adopting the Mn 5 Si 3 -type structure, have been prepared from the elemental components by arc melting. Boron ''stuffed'' phases were subsequently heated at 1750
R 1 [I' '2 (I )] β«Ψβ¬ 0.025, R 1 for all re6ections β«Ψβ¬ 0.030. Co is in a slightly distorted octahedral coordination with Co+O bonds ranging from 2.007(5) to 2.150(5) A > . Bi is in six-fold coordination to oxygen in a distorted octahedral coordination with Bi+O bonds ranging from 2.129(4) to 2.693(5
The binary silicides Eu 5 Si 3 and Yb 3 Si 5 were prepared from the elements in sealed tantalum tubes and their crystal structures were determined from single crystal X-ray data: I4/mcm, a = 791.88(7) pm, c = 1532.2(2) pm, Z = 4, wR2 = 0.0545, 600 F 2 values, 16 variables for Eu 5 Si 3 (Cr 5 B 3type