2 (tetragonal) (2). In the case of Ln ϭ Ce, group P3m1, with a and c parameters varying from 3.9442 to Ce 2 (CO 3 ) 3 и 8H 2 O was heated at 1273 K. For Ln ϭ Eu, 3.7812 A ˚and from 8.3609 to 8.2311 A ˚, respectively, as Ln atoms Eu 2 O 3 was calcined at 1023 K because the sample melted change from C
Crystal Structures and Magnetic Properties of Rare-Earth Ultraphosphates, RP5O14 (R=La, Nd, Sm, Eu, Gd)
✍ Scribed by J.M. Cole; M.R. Lees; J.A.K. Howard; R.J. Newport; G.A. Saunders; E. Schönherr
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 178 KB
- Volume
- 150
- Category
- Article
- ISSN
- 0022-4596
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✦ Synopsis
The single-crystal X-ray structures of lanthanum, europium, and gadolinium ultraphosphate, RP 5 O 14 (R ؍ rare-earth) are reported herein [monoclinic,
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Most of the title compounds were prepared by reaction of the rare-earth metaperrhenates Ln(ReO 4 ) 3 with the rare-earth metals in sealed silica tubes. Nd 4 Re 6 O 19 was obtained by reaction of the intermetallic compound NdRe 2 with the metaperrhenate Nd(ReO 4 ) 3 . The compounds Ln 2 ReO 5 crystal