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Hydroxide flux synthesis and crystal structure of the ordered palladate, LuNaPd6O8

✍ Scribed by Samuel J. Mugavero III; Mark D. Smith; Hans-Conrad zur Loye

Book ID
104029695
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
227 KB
Volume
179
Category
Article
ISSN
0022-4596

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✦ Synopsis

We report the single crystal structure of LuNaPd 6 O 8 grown from a sodium hydroxide flux. The utilization of a hydroxide flux has led to the preparation of the first ordered substitution of a lanthanide metal and an alkali metal on the A-site in a platinum group oxide and the first palladate to contain both a lanthanide metal and an alkali metal. The 1:1 ordered substitution of Lu 3+ and Na + in place of the commonly observed divalent cation leads to slabs of LuO 8 and NaO 8 cubes bridged together by PdO 4 square planes. The compound crystallizes in the cubic space group Pm-3 (#200) with a ¼ 5.72500(10) A ˚and is structurally related to other cubic palladium oxides.

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Synthesis, Crystal Structure, and Charac
Synthesis, Crystal Structure, and Characterization of the New Ordered Hollandite-Type NdMo6O12
✍ J. Tortelier; W.H. McCarroll; P. Gougeon πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 English βš– 363 KB

Single crystals of NdMo 6 O 12 were prepared by fused-salt electrolysis at 960°°C from a melt of Rb 2 MoO 4 , MoO 3 , and Nd 2 O 3 having the molar ratio 8.4 : 5 : 1. The compound crystallizes in the tetragonal space group I4/m with a ‫؍‬ 9.8988(2) A s , c ‫؍‬ 8.6434(5) A s , V ‫؍‬ 846.93(5) A s 3 ,