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- Title
Infrared spectroscopy and the structure of La<sub>0.33</sub>Zr<sub>2</sub>(Po<sub>4</sub>)<sub>3</sub>-Yb<sub>0.33</sub>Zr<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub> solid solutions.
- Authors
Borovikova, E. Yu.; Kurazhkovskaya, V. S.; Bykov, D. M.; Orlova, A. I.
- Abstract
Solid solutions of double orthophosphates of zirconium and rare earth lanthanum and ytterbium (La0.33Zr2(PO4)3-Yb0.33Zr2(PO4)3) that belong to the NASICON (NZP) structural type are synthesized and studied by IR spectroscopy. The factor-group analysis of P-O vibrations in phosphates with P3 (La0.33Zr2(PO4)3) and P3c (Yb0.33Zr2(PO4)3) space groups allows us to assign the intermediate representatives of this series to two different space groups by their IR spectra, which is difficult to perform based on powder X-ray diffraction results. A morphotropic transition P3 → P3 c is found to occur near the La1/18Yb5/18Zr2(PO4)3 composition.
- Subjects
SOLID solutions; INFRARED spectroscopy; RARE earth metals; YTTERBIUM; X-ray diffraction
- Publication
Journal of Structural Chemistry, 2010, Vol 51, Issue 1, p40
- ISSN
0022-4766
- Publication type
Article
- DOI
10.1007/s10947-010-0006-2