Structure and physical properties of BaCuTeF
β Scribed by Cheol-Hee Park; Robert Kykyneshi; Alexandre Yokochi; Janet Tate; Douglas A. Keszler
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 730 KB
- Volume
- 180
- Category
- Article
- ISSN
- 0022-4596
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BaCu 2 Te 2 was synthesized at 6903C and its structure was determined via the Rietveld re5nement method using powder X-ray di4raction with R p /wR p (%) β«Ψβ¬ 4.01/5.36. BaCu 2 Te 2 crystallizes in the orthorhombic space group Pnma (No. 62) with Z β«Ψβ¬ 4 and a β«Ψβ¬ 10.1244(5) A > , b β«Ψβ¬ 4.4577(3) A > ,
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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